
Lepidoptera, or butterflies, moths, moths, are a detachment with complete transformation, the most characteristic feature of whose representatives is the presence of a dense cover of chitinous scales (flattened hairs) on the front and hind wings (while the scales are located both on the veins and on the wing plate between them). Most species are characterized by specialized sucking mouthparts with a proboscis formed by elongated lobes of the lower jaw. The shape and span of the wings are very diverse: from 2 mm to 28 cm.
Development - with complete transformation: there are stages of egg, larva (called a caterpillar), pupa and imago. The larva is worm-like, with underdeveloped ventral legs, powerfully sclerotized integuments of the head, gnawing mouthparts and paired silk-secreting glands, the secretions from which, in contact with air, form a silk thread.
Lepidoptera, whose fossils have been known since the Jurassic, are currently one of the most species-rich orders of insects - there are more than 158,000 species in the order. Representatives of the detachment are distributed on all continents, with the exception of Antarctica.
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