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166:(sometimes alternatively spelled as "hemielytra"), and in most species only the basal half is thickened while the apex is membranous, but when they are entirely thickened the condition is referred to as "coleopteroid". An elytron is sometimes also referred to as a
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underneath, which are used for flying. To fly, a beetle typically opens the elytra and then extends the hindwings, flying while still holding the elytra open, though many beetles in the families
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In some flightless groups, the elytra are present but fused together, and the hindwings are absent (e.g., some
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In a number of groups, the elytra are reduced to various degrees, (e.g., the beetle families
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Tihelka, Erik et al. “Mimicry in
Cretaceous Bugs.” iScience vol. 23,7 (2020): 101280.
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beetle are readily distinguished from the transparent hindwings.
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are extremely similar; in true bugs, the forewings are called
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Miniature Lives: Identifying
Insects in Your Home and Garden
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The elytra primarily serve as protective wing-cases for the
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146:) is a modified, hardened
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345:A Greek–English Lexicon
106: 'sheath, cover';
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379:"Definition of SHARD"
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270:"elytron"
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