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A cocoon is a casing spun of silk by many moth caterpillars, and numerous other holometabolous insect larvae as a protective covering for the pupa. Most Lepidoptera larvae will either make a cocoon and pupate inside them or will pupate in a cell under the ground, [ 21 ] with the exception of butterflies and advanced moths such as noctuids ...
Oothecae are made up of structural proteins and tanning agents that cause the protein to harden around the eggs, providing protection and stability. [1] The production of ootheca convergently evolved across numerous insect species due to a selection for protection from parasites and other forms of predation, as the complex structure of the shell casing provides an evolutionary reproductive ...
The details and morphology of the ovipositor vary, but typically its form is adapted to functions such as preparing a place for the egg, transmitting the egg, and then placing it properly. For most insects, the organ is used merely to attach the egg to some surface, but for many parasitic species (primarily in wasps and other Hymenoptera ), it ...
This glossary of entomology describes terms used in the formal study of insect species by entomologists.. When present, elytra of the Staphylinidae are markedly abbreviate. This fly in the genus Scaptomyza has clearly visible rows of para-sagittal acrostichal bristles on its thorax the alitrunk of aculeate Hymenoptera comprises the three thoracic segments, plus the propodeum, which strictly ...
It is a common misconception that Heteropteryx dilatata holds the record for the largest egg laid by an insect, with the eggs sometimes described as being 1.3 centimetres (0.51 in) in length. [13] The heaviest eggs are 250 to 300 mg laid by the closely related Haaniella echinata. These are up to 1.2 centimetres (0.47 in) long and about 0.8 ...
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[7]: 739–740 [20] When first laid, the eggs are white or cream-colored and oval-shaped, but right before hatching they become kidney-shaped and brown. [24] Each egg is approximately 1 mm (1 ⁄ 32 in) tall and 0.8 mm (1 ⁄ 32 in) wide. [21] Earwigs are among the few non-social insect species that show maternal care.
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