elytron

/el-i-tron/US // ˈɛl ɪˌtrɒn //UK // (ˈɛlɪˌtrɒn) //

怡创,怡安科技,怡泰科技,怡创科技

Definitions

n.名词 noun

1
plural el·y·tra [el-i-truh]. /ˈɛl ɪ trə/.
- : one of the pair of hardened forewings of certain insects, as beetles, forming a protective covering for the posterior or flight wings.

It is black, hairy, with a large yellowish spot at the base of each elytron, and two transverse bands of the same colour.
Complicant: when one elytron extends over the other and partially covers it.
Axis: a small process at base of elytron, upon which it turns.
Sometimes the glands are found beneath the disk of the elytron, opening by pores on the surface.