Portal:Insects
The Insects Portal
Insects (from Latin insectum) are hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes, and a pair of antennae. Insects are the most diverse group of animals, with more than a million described species; they represent more than half of all animal species. (Full article...)
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Mecoptera (from the Greek: mecos = "long", ptera = "wings") is an order of insects in the superorder Holometabola with about six hundred species in nine families worldwide. Mecopterans are sometimes called scorpionflies after their largest family, Panorpidae, in which the males have enlarged genitals raised over the body that look similar to the stingers of scorpions, and long beaklike rostra. The Bittacidae, or hangingflies, are another prominent family and are known for their elaborate mating rituals, in which females choose mates based on the quality of gift prey offered to them by the males. A smaller group is the snow scorpionflies, family Boreidae, adults of which are sometimes seen walking on snowfields. In contrast, the majority of species in the order inhabit moist environments in tropical locations.
The Mecoptera are closely related to the Siphonaptera (fleas), and a little more distantly to the Diptera (true flies). They are somewhat fly-like in appearance, being small to medium-sized insects with long slender bodies and narrow membranous wings. Most breed in moist environments such as leaf litter or moss, and the eggs may not hatch until the wet season arrives. The larvae are caterpillar-like and mostly feed on vegetable matter, and the non-feeding pupae may pass through a diapause until weather conditions are favorable. (Full article...)Did you know -
- ... that Parachartergus apicalis will attack Camponotus atriceps if they try to tend their treehoppers?
- ... that the Philippine hornet Vespa luctuosa has the most lethal venom by weight of any known wasp species?
- ... that amber fossils of ants carrying the extinct mealybug genus Electromyrmococcus represent the oldest record of symbiosis between mealybugs and Acropyga ants?
- ... that the extinct Protosialis casca is one of only two known alderflies from the West Indies?
- ... that the bone skipper came back from the dead after 160 years to feed on rotting bones?
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The yellow fever mosquito, Aedes aegypti (Diptera: Culicidae), is a mosquito that can spread the dengue fever, Chikungunya and yellow fever viruses, and other diseases. It can be recognized by white markings on legs and a marking in the form of a lyre on the thorax.
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