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Certain caterpillars eat plants that are toxic to both themselves and the parasite to cure themselves. [24] Drosophila melanogaster larvae also self-medicate with ethanol to treat parasitism. [25] D. melanogaster females lay their eggs in food containing toxic amounts of alcohol if they detect parasitoid wasps nearby. The alcohol protects them ...
Eighty percent of the world's nations eat insects of 1,000 to 2,000 species. [6] [7] FAO has registered some 1,900 edible insect species and estimates that there were, in 2005, around two billion insect consumers worldwide. FAO suggests eating insects as a possible solution to environmental degradation caused by livestock production. [8]
Cutworms are moth larvae that hide under litter or soil during the day, coming out in the dark to feed on plants. A larva typically attacks the first part of the plant it encounters, namely the stem, often of a seedling, and consequently cuts it down; hence the name cutworm. Cutworms are not worms, biologically speaking, but caterpillars.
Acharia stimulea is known for having one of the strongest stings and, because the saddleback caterpillar is commonly found in ornamental plants, gardeners are most at risk of accidental exposure. The spines along the caterpillar, when broken, will release an irritating toxin into its victims that is known to cause acute urticaria in humans. [ 3 ]
Plant-eating insects such as scale insects, aphids, and caterpillars closely resemble ectoparasites, attacking much larger plants; they serve as vectors of bacteria, fungi and viruses which cause plant diseases. As female scale insects cannot move, they are obligate parasites, permanently attached to their hosts. [16]
Wilt disease caused by a particular nucleopolyhedrovirus (LdNPV) that is specific to the gypsy moth is its most devastating natural disease, causing a dramatic collapse of outbreak populations by killing both the larvae and pupae. Larvae infected with wilt disease are shiny and hang limply in an inverted "V" position.
Caterpillar hair can be a cause of human health problems. Caterpillar hairs sometimes have venoms in them and species from approximately 12 families of moths or butterflies worldwide can inflict serious human injuries ranging from urticarial dermatitis and atopic asthma to osteochondritis, consumption coagulopathy, kidney failure, and brain ...
Caterpillars of many species can cause irritation by their hollow body hairs that envenom or detach easily, or can be poisonous if ingested. [5] Prior to investigations into Lonomia caterpillars, it was not known that caterpillars could produce toxins in sufficient quantities to kill a human.