Dichlorvos NEO odorless: instructions for use

Dichlorvos NEO odorless: instructions for use

  • Ingredients of the insecticide
  • Principle of the
  • preparation Advantages of the preparation
  • Preparation for the
  • treatment Instructions for the application of «Dichlorvos NEO»
  • How to prevent chemical poisoning
  • What to do in case of poisoning?

In nature, there are many types of harmful insects, the neighborhood with which is not only unpleasant, but also dangerous for human health. Scientists have developed various drugs to combat bugs, flies, mosquitoes, lice and other bloodsucking. One of the most effective tools is the insecticide «Dichlophos NEO» without smell: if you follow the instructions for use, it is able to release housing from life-poisoning insects.

Composition of the insecticide

In the last century, every Soviet person knew that dichlorvos is a universal quick-acting aerosol with a convenient atomizer that can kill cockroaches in the most inaccessible places, as well as mosquitoes and flies. A distinctive feature of this remedy was a terrible suffocating smell, which for a long time stayed in the air after processing the room.

Today, scientists invented a new drug, but the name was left the same. The production of insecticide under the name «Dichlophos» is conducted by various companies, each of which wants to distinguish its product. So there was «Dichlophos NEO», «Varan», «Reid», «Triple blow».All these tools are excellent for the destruction of bed bugs, cockroaches, flies.

Instead of the demitil-dichlorovinyl phosphate used in the old preparation as the main active ingredient, permethrin and cypermethrin have a poisoning effect in a new generation of insecticide. In addition, the composition contains aliphatic carbohydrates, ethyl alcohol, dimethyl sulfoxide, piperonyl butoxide.

The aerosol has the smell of lilac, rose or lavender, which makes the treatment of the room not only useful but also enjoyable.

Principle of operation of the preparation

Because of organophosphorus compounds in the «Dichlorvos» composition, this preparation has a high toxicity and is poisonous for insects, animals, and humans. Poisoning substance enters the body of the pest through the respiratory system, the gastrointestinal tract and in contact with the skin and has a nerve-paralytic effect on the body. As a result, there is a violation of the transmission of impulses of the nervous system, supply of organs with oxygen and nutrients ceases — and the insect dies.

Advantages of such compounds are as follows:

  • high insecticidal activity;
  • rapid decomposition to secure connections;
  • efficiency;
  • speed of action.

They have organophosphorus compounds and some disadvantages, as they are powerless before resistant( resistant) populations and are toxic to mammals, fish, bees, humans.

With the help of «Dichlorvos NEO» you can fight with adults who have settled in the most secluded places, as well as eggs, larvae and nymphs of ticks, mosquitoes and other insects.

Advantages of the preparation

The insecticide «Dichlophos NEO» has a number of advantages over other preparations aimed at combating harmful insects:

  • a pleasant smell facilitates processing;
  • acts on most insect species;
  • contains two powerful poison agents;
  • the effect of the drug is observed for two weeks;
  • high efficiency — one can of 190 ml can process up to 30 square meters.m;
  • availability — you can purchase an insecticide in a hardware store or supermarket.

To evaluate all the advantages of this poison, it is necessary to adhere strictly to the instructions for use when carrying out the treatment.

Preparing for

treatment Before starting to process the dichlorophos NEO, you should do the preparatory work.

  • Remove people and animals from the premises so that they do not breathe poisonous vapors.
  • Remove indoor plants in a place protected from aerosol.
  • Fold in a plastic bag and place in the closet personal hygiene items, dishes, toys, bed linens.
  • Warn the neighbors that you are going to conduct treatment with Dichlorvos from cockroaches or bedbugs.
  • Prepare personal protective equipment: gown, gloves, mask or respirator, goggles.
  • Tightly close the windows and doors in the apartment.
  • Remove furniture in advance or dismantle, raise mattresses, remove skirting boards, that is, facilitate access to secluded places where insects like to collect.

After all the preparations have been completed, you can proceed with the disinsection of the premises.

Instruction for use of «Dichlorvos NEO»

Complete destruction of harmful insects can only be achieved if the treatment is carried out correctly, in accordance with the dosage and instructions provided by the manufacturer. A 190 ml bottle is enough to disinfect a room of 28 square meters.m. However, buying a better tool with a margin, as it will have to further process the cracks in furniture, skirting boards and batteries, under the windowsills and other hard-to-reach places. How to work with the insecticide «Dichlophos NEO», the author of the site Mschistota.ru understood.

The aerosol is held in an elongated hand, approximating the object of treatment by 20-25 cm. Spray for 4-5 seconds in one direction. The drug consumption is 20 ml per 1 sq. M.m is considered normal.

There are different rules for destroying each species, the description of which can be found in the manual.

  • To get rid of flies and mosquitoes, you need to direct the stream to the places of their accumulation: glass, frames, doors, cabinets. Some part of the aerosol is thrown into the air to completely process the room.
  • With the help of «Dichlorvos NEO» you can get rid of moths. To do this, treat the air inside the cabinets, spraying the drug( 2 seconds per 1 cubic meter).
  • The drug is effective against cockroaches and bedbugs. Spraying is carried out purposefully in places where insects are crowded: under wallpapers, behind skirting boards and batteries, along sewer and water pipes, on adjacent wall sections. Handle crevices in furniture, the reverse side of mirrors, carpets and paintings. Bedbugs like to hide in the wooden furniture pieces, so to destroy these insects you need to disassemble the bed, remove the armrests from the sofas and armchairs and direct the jet directly to the pests.
  • When disinfesting from fleas, it is necessary to process the walls with «Dichlophos» up to a height of 1 m, including the space behind the skirting boards. The rug on which the animal sleeps is better to change. If there is no such possibility, it also needs to be sprayed with the drug and washed before use.
  • To get rid of ants in the room, spray the aerosol onto the ant tracks.

After the end of pest control, leave the room immediately. By airing, you can start in 30-40 minutes, when most of the insects will die.

Important! The apartment should be ventilated within 2 hours. Then do a wet cleaning, thoroughly washing all the surfaces, which could get the drug. Particular attention should be paid to the children’s room and dining room.

How to prevent chemical poisoning

When processing the room with Dichlorvos NEO, precautionary measures should be taken, as this toxic substance can cause severe poisoning. Here are some recommendations.

  • It is necessary to carry out the preparatory work correctly. To destroy insects in hard-to-reach places, it is necessary to use special nozzles.
  • Aerosol should be avoided in the respiratory tract by wearing a bandage or respirator.
  • Do not forget about safety glasses and rubber gloves.
See also:  How to Get Rid of Earwigs in Your Home and Garden, Dengarden

The fact that the poisoning of «Dichlorvos» has occurred can be judged by nausea, vomiting, diarrhea, shortness of breath, visual impairment, convulsions. If the drug gets into the mouth cavity symptoms of poisoning are manifested in a few minutes.

Store any poisonous substances, including «Dichlorvos NEO», should be in special places inaccessible to children.

What should I do if I get poisoned?

In case of poisoning with an insecticide, the victim should be removed from the premises as soon as possible. If the chemical has got on a skin, this place it is necessary to process a weak solution of baking soda.

Do not allow the affected person to sniff ammonia, drink carbonated water, use laxatives and induce vomiting by artificial means. It is best to send the patient to a nearby hospital.

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definitions — cockroach

1. any of numerous chiefly nocturnal insects; some are domestic pests

1. (MeSH) Insects of the order Dictyoptera comprising several families including Blaberidae, BLATTELLIDAE, Blattidae (containing the American cockroach PERIPLANETA americana), Cryptocercidae, and Polyphagidae.

Cockroach Cock»roach (?) , n. [Sp. cucaracha .] (Zoöl.) An orthopterous insect of the genus Blatta , and allied genera.

☞ The species are numerous, especially in hot countries. Those most commonly infesting houses in Europe and North America are Blatta orientalis , a large species often called black beetle , and the Croton bug ( Blatta Germanica , formerly Ectobia Germanica ), also called the German cockroach .

definition (more)

definition of Wikipedia

synonyms — cockroach

phrases

American Cockroach • American cockroach • Asiatic cockroach • Australian cockroach • German cockroach • common cockroach • giant cockroach • oriental cockroach

A Taste of Cockroach • Aboriginal Cockroach • Aboriginal cockroach • American cockroach • Australian cockroach • Brown cockroach • Brown-banded cockroach • Cockroach (album) • Cockroach (book) • Cockroach Cooties • Cockroach Island • Cockroach Key • Cockroach plant • Cockroach racing • Cockroach wasp • Common shining cockroach • Death’s head cockroach • Desert cockroach • Discoid cockroach • Emerald cockroach wasp • Florida woods cockroach • German cockroach • Giant burrowing cockroach • Giant cockroach • Green banana cockroach • Iran newspaper cockroach cartoon controversy • Madagascar hissing cockroach • Milquetoast the Cockroach • Oriental cockroach • Pennsylvania wood cockroach • Smokybrown cockroach • Surinam cockroach • The Cockroach • The Revolt of the Cockroach People • Wood cockroach

analogical dictionary

Arthropods [Hyper.]

Insects [Hyper.]

Cockroach (n.) [MeSH] ↕

largely-winged insect [ClasseTaxo.]

pest [ClasseParExt.]

dictyopterous insect [ClasseHyper.]

zoology [Domaine]

Insect [Domaine]

insect — animal order [Hyper.]

Dictyoptera, order Dictyoptera [membre]

dictyopterous insect [ClasseTaxo.]

animal nuisible aux animaux (fr) [ClasseParExt.]

entomology [Domaine]

Insect [Domaine]

dictyopterous insect [Hyper.]

Blattaria, Blattodea, suborder Blattaria, suborder Blattodea [membre]

cockroach (n.) ↕

Cockroach

Cockroaches are insects of the order Blattaria or Blattodea, of which about 30 species out of 4,500 total are associated with human habitations. About four species are well known as pests. [ 1 ] [ 2 ]

Among the best-known pest species are the American cockroach, Periplaneta americana, which is about 30 millimetres (1.2 in) long, the German cockroach, Blattella germanica, about 15 millimetres (0.59 in) long, the Asian cockroach, Blattella asahinai, also about 15 millimetres (0.59 in) in length, and the Oriental cockroach, Blatta orientalis, about 25 millimetres (0.98 in). Tropical cockroaches are often much bigger, and extinct cockroach relatives and ‘roachoids’ such as the Carboniferous Archimylacris and the Permian Apthoroblattina were not as large as the biggest modern species.

Contents

Etymology

The name cockroach comes from the Spanish word cucaracha, «chafer», «beetle», from cuca, «kind of caterpillar.» The scientific name derives from the Latinized Greek name for the insect (Doric Greek: βλάττα, blátta; Ionic and Attic Greek: βλάττη, blátte’

The English form cockroach is a folk etymology reanalysis of the Spanish word into meaningful native parts, although cock referred to a rooster and a roach is a type of fish.

Notable species

  • Blattella germanica, German cockroach
  • Blaptica dubia, South American/Peruvian Dubia cockroach
  • Blatta orientalis, Oriental cockroach
  • Blattella asahinai, Asian cockroach
  • Blaberus craniifer, true death’s head cockroach
  • Blaberus discoidalis, discoid cockroach or false death’s head
  • Eurycotis floridana, Florida woods cockroach
  • Gromphadorhina portentosa, Madagascar hissing cockroach
  • laxta granicollis, Bark cockroach
  • Parcoblatta pennsylvanica, Pennsylvania woods cockroach
  • Periplaneta americana, American cockroach
  • Periplaneta australasiae, Australian cockroach
  • Periplaneta brunnea, black Mississippi cockroach
  • Periplaneta fuliginosa, smokybrown cockroach
  • Pycnoscelus surinamensis, Surinam cockroach
  • Supella longipalpa, brown-banded cockroach

Evolutionary history and relationships

A proposed phylogeny of the families. [ 3 ]

Mantodea, Isoptera, and Blattaria are usually combined by entomologists into a higher group called Dictyoptera. Current evidence strongly suggests that termites evolved directly from true cockroaches, and many authors now consider termites to be an epifamily of cockroaches, [ 4 ] [ 5 ] as Blattaria excluding Isoptera is not a monophyletic group. [ 6 ]

Historically, the name Blattaria has been used largely interchangeably with the name Blattodea, and this name is used for the order by the current world catalogue, the Blattodea Species File Online. Another name, Blattoptera has come into use for this same paraphyletic group. [ 7 ] These earliest cockroach-like fossils («Blattopterans» or «roachids») are from the Carboniferous period between 354–295 million years ago. However, these fossils differ from modern cockroaches in having long external ovipositors and are the ancestors of mantises as well as modern roaches. The first fossils of modern cockroaches with internal ovipositors appear in the early Cretaceous.

Behavior

Cockroaches live in a wide range of environments around the world. Pest species of cockroaches adapt readily to a variety of environments, but prefer warm conditions found within buildings. Many tropical species prefer even warmer environments and do not fare well in the average household.

The spines on the legs were earlier considered to be sensory, but observations of their locomotion on sand and wire meshes have demonstrated that they help in locomotion on difficult terrain. The structures have been used as inspiration for robotic legs. [ 8 ] [ 9 ]

Cockroaches leave chemical trails in their feces as well as emitting airborne pheromones for swarming and mating. These chemical trails transmit bacteria on surfaces. [ citation needed ] Other cockroaches will follow these trails to discover sources of food and water, and also discover where other cockroaches are hiding. Thus, cockroaches can exhibit emergent behavior, [ 10 ] in which group or swarm behavior emerges from a simple set of individual interactions.

Daily rhythms may also be regulated by a complex set of hormonal controls of which only a small subset have been understood. In 2005, the role of one of these proteins, Pigment Dispersing Factor (PDF), was isolated and found to be a key mediator in the circadian rhythms of the cockroach. [ 11 ]

Research has shown that group-based decision-making is responsible for complex behavior such as resource allocation. In a study where 50 cockroaches were placed in a dish with three shelters with a capacity for 40 insects in each, the insects arranged themselves in two shelters with 25 insects in each, leaving the third shelter empty. When the capacity of the shelters was increased to more than 50 insects per shelter, all of the cockroaches arranged themselves in one shelter. Researchers found a balance between cooperation and competition exists in the group decision-making behavior found in cockroaches. The models used in this research can also explain the group dynamics of other insects and animals. [ 10 ]

Cockroaches are mainly nocturnal [ 12 ] and will run away when exposed to light. A peculiar exception is the Asian cockroach, which is attracted to light. Another study tested the hypothesis that cockroaches use just two pieces of information to decide where to go under those conditions: how dark it is and how many other cockroaches there are. The study conducted by José Halloy and colleagues at the Free University of Brussels and other European institutions created a set of tiny robots that appear to the roaches as other roaches and can thus alter the roaches’ perception of critical mass. The robots were also specially scented so that they would be accepted by the real roaches. [ 13 ]

Additionally, researchers at Tohoku University engaged in a classical conditioning experiment with cockroaches and discovered that the insects were able to associate the scent of vanilla and peppermint with a sugar treat. [ 14 ]

Description

Cockroaches are generally rather large insects. Most species are about the size of a thumbnail, but several species are bigger. The world’s heaviest cockroach is the Australian giant burrowing cockroach, which can reach 9 centimetres (3.5 in) in length and weigh more than 30 grams (1.1 oz). Comparable in size is the Central American giant cockroach Blaberus giganteus, which grows to a similar length but is not as heavy.

Cockroaches have a broad, flattened body and a relatively small head. They are generalized insects, with few special adaptations, and may be among the most primitive living neopteran insects. The mouthparts are on the underside of the head and include generalised chewing mandibles. They have large compound eyes, two ocelli, and long, flexible, antennae.

The first pair of wings (the tegmina) are tough and protective, lying as a shield on top of the membranous hind wings. All four wings have branching longitudinal veins, and multiple cross-veins. The legs are sturdy, with large coxae and five claws each. The abdomen has ten segments and several cerci. [ 15 ]

Eggs and egg capsules

Female cockroaches are sometimes seen carrying egg cases on the end of their abdomen; the egg case of the German cockroach holds about 30 to 40 long, thin eggs in a case called an ootheca. The egg capsule may take more than five hours to lay and is initially bright white in color. The eggs are hatched from the combined pressure of the hatchlings gulping air. The hatchlings are initially bright white nymphs and continue inflating themselves with air, becoming harder and darker within about four hours. Their transient white stage while hatching and later while molting has led many to claim the existence of albino cockroaches.

A female German cockroach carries an egg capsule containing around 40 eggs. She drops the capsule prior to hatching, though live births do occur in rare instances. Development from eggs to adults takes 3 to 4 months. Cockroaches live up to a year. The female may produce up to eight egg cases in a lifetime; in favorable conditions, she can produce 300 to 400 offspring. Other species of cockroach, however, can produce an extremely high number of eggs in a lifetime; in some cases a female needs to be impregnated only once to be able to lay eggs for the rest of her life.

Sounds

Aside from the famous hissing noise, some cockroaches (including a species in Florida) will make a chirping noise. [ 16 ]

Physiology

Digestive tract

Cockroaches are most common in tropical and subtropical climates. Some species are in close association with human dwellings and widely found around garbage or in the kitchen. Cockroaches are generally omnivorous with the exception of the wood-eating species such as Cryptocercus; these roaches are incapable of digesting cellulose themselves, but have symbiotic relationships with various protozoans and bacteria that digest the cellulose, allowing them to extract the nutrients.

The similarity of these symbionts in the genus Cryptocercus to those in termites are such that it has been suggested that they are more closely related to termites than to other cockroaches, [ 17 ] and current research strongly supports this hypothesis of relationships. [ 18 ] All species studied so far carry the obligate mutualistic endosymbiont bacterium Blattabacterium, with the exception of Nocticola australiensise, an Australian cave dwelling species without eyes, pigment or wings, and which recent genetic studies indicates are very primitive cockroaches. [ 19 ] [ 20 ]

Tracheae and breathing

Cockroaches, like all insects, breathe through a system of tubes called tracheae. The tracheae of insects are attached to the spiracles, excluding the head. Thus cockroaches, like all insects, are not dependent on the mouth and windpipe to breathe. The valves open when the CO2 level in the insect rises to a high level; then the CO2 diffuses out of the tracheae to the outside and fresh O2 diffuses in. Unlike in vertebrates that depend on blood for transporting O2 and CO2, the tracheal system brings the air directly to cells, the tracheal tubes branching continually like a tree until their finest divisions, tracheoles, are associated with each cell, allowing gaseous oxygen to dissolve in the cytoplasm lying across the fine cuticle lining of the tracheole. CO2 diffuses out of the cell into the tracheole.

While cockroaches do not have lungs and thus do not actively breathe in the vertebrate lung manner, in some very large species the body musculature may contract rhythmically to forcibly move air out and in the spiracles; this may be considered a form of breathing. [ 21 ]

Reproduction

Cockroaches use pheromones to attract mates, and the males practice courtship rituals such as posturing and stridulation. Like many insects, cockroaches mate facing away from each other with their genitalia in contact, and copulation can be prolonged. A few species are known to be parthenogenetic, reproducing without the need for males. [ 15 ]

The female usually attaches the egg-case to a substrate, inserts it into a suitably protective crevice, or carries it about until just before the eggs hatch. Some species, however, are ovoviviparous, keeping the eggs inside their bodies, with or without an egg-case, until they hatch. At least one genus, Diploptera is fully viviparous. [ 15 ]

Cockroach nymphs are generally similar to the adults, except for undeveloped wings and genitalia. Development is generally slow, and may take anywhere from a few months to over a year. The adults are also long-lived, and have been recorded as surviving for four years in the laboratory. [ 15 ]

Hardiness

Cockroaches are among the hardiest insects on the planet. Some species are capable of remaining active for a month without food and are able to survive on limited resources like the glue from the back of postage stamps. [ 22 ] Some can go without air for 45 minutes. In one experiment, cockroaches were able to recover from being submerged underwater for half an hour. [ 23 ]

It is popularly suggested that cockroaches will «inherit the earth» if humanity destroys itself in a nuclear war. Cockroaches do indeed have a much higher radiation resistance than vertebrates, with the lethal dose perhaps 6 to 15 times that for humans. However, they are not exceptionally radiation-resistant compared to other insects, such as the fruit fly. [ 24 ]

The cockroach’s ability to withstand radiation better than human beings can be explained through the cell cycle. Cells are most vulnerable to the effects of radiation when they are dividing. A cockroach’s cells divide only once each time it molts, which is weekly at most in a juvenile roach. Since not all cockroaches would be molting at the same time, many would be unaffected by an acute burst of radiation, but lingering radioactive fallout would still be harmful. [ 25 ]

Role as pests

Cockroaches are one of the most commonly noted household pest insects. [ 26 ] They feed on human and pet food, and can leave an offensive odor. [ 27 ] They can also passively transport microbes on their body surfaces including those that are potentially dangerous to humans, particularly in environments such as hospitals. [ 28 ] [ 29 ] Cockroaches have been shown to be linked with allergic reactions in humans. [ 30 ] [ 31 ] One of the proteins that triggers allergic reactions has been identified as tropomyosin. [ 32 ] These allergens have also been found to be linked with asthma. [ 33 ]

General preventive measures against household pests include keeping all food stored away in sealed containers, using garbage cans with a tight lid, frequent cleaning in the kitchen, and regular vacuuming. Any water leaks, such as dripping taps, should also be repaired. It is also helpful to seal off any entry points, such as holes around baseboards, in between kitchen cabinets, pipes, doors, and windows with some steel wool or copper mesh and some cement, putty or silicone caulk.

Diatomaceous earth applied as a fine powder works very well to eliminate cockroaches as long as it remains in place and dry. [ citation needed ] Diatomaceous earth is harmless to humans and feels like talcum powder. Most insects, including bed bugs, are vulnerable to it.

Some cockroaches have been known to live up to three months without food and a month without water. Frequently living outdoors, although preferring warm climates and considered «cold intolerant,» they are resilient enough to survive occasional freezing temperatures. This makes them difficult to eradicate once they have infested an area.

There are numerous parasites and predators of cockroaches, but few of them have proven to be highly effective for biological control of pest species. Wasps in the family Evaniidae are perhaps the most effective insect predators, as they attack the egg cases, and wasps in the family Ampulicidae are predators on adult and nymphal cockroaches (e.g., Ampulex compressa) [ citation needed ] . The house centipede is probably the most effective control agent of cockroaches [ citation needed ] , though many homeowners find the centipedes themselves objectionable.

Ampulex wasps sting the roach more than once and in a specific way. The first sting is directed at nerve ganglia in the cockroach’s thorax; temporarily paralyzing the victim for 2–5 minutes, which is more than enough time for the wasp to deliver a second sting. The second sting is directed into a region of the cockroach’s brain that controls the escape reflex, among other things. [ 34 ] When the cockroach has recovered from the first sting, it makes no attempt to flee. The wasp clips the antennae with its mandibles and drinks some of the hemolymph before walking backwards and dragging the roach by its clipped antennae to a burrow, where an egg will be laid upon it. The wasp larva feeds on the subdued, living cockroach.

Bait stations, gels containing hydramethylnon or fipronil, as well as boric acid powder, are toxic to cockroaches. [ 35 ] Baits with egg killers are also quite effective at reducing the cockroach population. Additionally, pest control products containing deltamethrin or pyrethrin are very effective. [ 35 ]

In Singapore and Malaysia, taxi drivers use Pandan leaves as a cockroach repellent in their vehicles. [ 36 ]

An inexpensive roach trap can easily be made from a deep smooth-walled jar with some roach food inside, placed with the top of the jar touching a wall or with sticks (outside the jar) leading up to the top, so that the roaches can reach the opening. Once inside, they cannot climb back out. An inch or so of water or stale beer (by itself a roach attractant) will ensure they drown. The method works well with the American cockroach but less so with the German cockroach. [ 37 ] A bit of Vaseline can be smeared on the inside of the jar to enhance slipperiness. The method is sometimes called the «Vegas roach trap» after it was popularized by a Las Vegas-based TV station. This version of the trap uses coffee grounds and water. [ 38 ]

Some of the earliest writings about cockroaches encouraged their use as medicine. Pedanius Dioscorides (1st century), Abu Hanifa ad-Dainuri (9th century), and Kamal al-Din al-Damiri (14th century ) all offered medicines that either suggest grinding them up with oil or boiling them, and Lafcadio Hearn claimed [ 39 ] that in the 1870s many New Orleanians had great faith in a remedy of boiled cockroach tea.

Cultural references

Because of their long, persistent association with humans, cockroaches are frequently referred to in art, literature, folk tales and theater and film and real life. In Western culture, cockroaches are often depicted as vile and dirty pests. Their size, long antennae, shiny appearance and spiny legs make them disgusting to many humans, sometimes even to the point of phobic responses. [ 40 ] [ 41 ] This is borne out in many depictions of cockroaches, from political versions of the song La Cucaracha where political opponents are compared to cockroaches, through the 1982 movie Creepshow and TV shows such as the X-Files, to the Hutu extremists’ reference to the Tutsi minority as cockroaches during the Rwandan Genocide in 1994 and the controversial cartoons published in the «Iran weekly magazine» in 2006 which implied a comparison between Iranian Azeris and cockroaches. The second part of the Harry Hole crime novels written by Jo Nesbø is called The Cockroaches (Kakerlakkene in Norwegian). In the movie Men in Black a giant alien cockroach is shown as a predator who eats a farmer and then uses his skin to disguise itself as a human being. In Oliver Twist, the children, Mr. Bumble, and Widow Corney sing about feeding Oliver cockroaches in a canister. Award-winning computer and video game series Fallout takes place in a post-Atom bomb war universe, in which enlarged, irradiated cockroaches are present as early enemies. This is a nod to the notion of their nuclear fortitude. Also, in Franz Kafka’s The Metamorphosis, a man, Gregor, is transformed overnight into a monstrous insect with cockroach-like features. He views himself as repulsive in his new identity. Ayn Rand in her early novel «We the Living» compared the Soviet Union to a huge pile of cockroaches. During Australian Rugby League State of Origin matches it is common slang to refer to Queensland as canetoads and New South Wales as cockroaches.

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Cockroach
Common household roaches
A) German cockroach
B) American cockroach
C) Australian cockroach
D&E) Oriental cockroach (♀ & ♂)
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Subclass: Pterygota
Infraclass: Neoptera
Superorder: Dictyoptera
Order: Blattodea
Families