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单词 hemielytra
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hemielytra

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hemielytra n. 半翅鞘
英语百科

Elytron

The elytra of this cockchafer (maybug) are readily distinguished from the transparent hindwings.
Checkered Beetle Trichodes alvearius  (family Cleridae) taking off from Knapweed, elytra held high above the wings

An elytron (pronunciation: /ˈɛlɪtrɒn/; from Greek:ἔλυτρον; plural: elytra, pronunciation: /ˈɛlɪtrə/) is a modified, hardened forewing of certain insect orders, notably beetles (Coleoptera) and a few of the true bugs (Heteroptera); in most true bugs, the forewings are instead called hemelytra (sometimes misspelled as "hemielytra"), as only the basal half is thickened while the apex is membranous. An elytron is sometimes also referred to as a shard.

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