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#insect order

2 public questions tagged with this topic.

Animal Classification

Beetles belong to the order

Coleoptera meaning sheath-wing forms largest insect order beetles and weevils with about 400,000 described species. Defining feature is forewings hardened into elytra, convex shields meeting in straight mid-dorsal suture protecting hind membranous wings folded transversely beneath when at rest, plus protecting dorsal abdomen against desiccation, abrasion and predation. Hind wings provide flight; elytra lift during takeoff. Chewing mouthparts common. Diptera flies possess one pair wings, Lepidoptera butterflies have scaled wings, Hymenoptera bees have membranous wings linked by hamuli. Elytral

Ref: Campbell Biology, 12th ed., Chapter 33: Coleoptera; NCERT Class 11, Chapter 4, Insect Orders

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Animal Classification

Diptera are characterized by

Order Diptera, true flies, mosquitoes, gnats and midges, is distinguished by presence of single pair of functional membranous forewings responsible for powered flight, while hind wings reduced to halteres, small knobbed club-shaped balancing organs vibrating rapidly providing gyroscopic feedback to thoracic ganglia for flight stability. Name di meaning two and ptera wings signifies two wings. Mouthparts vary from sponging in housefly to piercing in mosquito. Two wing pairs typify most Pterygota, scaly wings depict Lepidoptera, winglessness occurs in parasitic lice. Haltere innovation enables e

Ref: Brusca & Brusca, Invertebrates, 3rd ed., Diptera; Campbell Biology, 12th ed., Chapter 33, Insect Orders

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