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There are various disparate groups of wingless insects. Apterygota are a subclass of small, agile insects, distinguished from other insects by their lack of wings in the present and in their evolutionary history.
As defined, the group contains two separate clades of wingless insects: Archaeognatha comprises jumping bristletails, while Zygentoma comprises silverfish and firebrats. The Zygentoma are in the clade Dicondylia with winged insects, a clade that includes all other insects, while Archaeognatha is sister to this lineage.
Timema is a genus of relatively short-bodied, stout and wingless stick insects native to the far western United States, and the sole extant member of the family Timematidae. The genus was first described in 1895 by Samuel Hubbard Scudder, based on observations of the species Timema californicum. [2] [3] [4]
[a] Entomologists to some extent reserve the name "bugs" for a narrow category of "true bugs", insects of the order Hemiptera, such as cicadas and shield bugs. [6] Other terrestrial arthropods, such as centipedes , millipedes , woodlice , spiders , mites and scorpions , are sometimes confused with insects, since they have a jointed exoskeleton ...
Mating pair. Velvet ants (Mutillidae) are a family of more than 7,000 species of wasps whose wingless females resemble large, hairy ants.Their common name velvet ant refers to their resemblance to an ant, and their dense pile of hair, which most often is bright scarlet or orange, but may also be black, white, silver, or gold.
Belgica antarctica, the Antarctic midge, is a species of flightless midge, endemic to the continent of Antarctica.At 2–6 mm (0.08–0.2 in) long, it is the largest purely terrestrial animal native to the continent.
The silverfish (Lepisma saccharinum) is a species of small, primitive, [1] wingless insect in the order Zygentoma (formerly Thysanura).Its common name derives from the insect's silvery light grey colour, combined with the fish-like appearance of its movements.
The Phasmatodea (also known as Phasmida or Phasmatoptera) are an order of insects whose members are variously known as stick insects, stick bugs, walkingsticks, stick animals, or bug sticks. They are also occasionally referred to as Devil's darning needles , although this name is shared by both dragonflies and crane flies. [ 1 ]