elytrum

/el-i-truhm/US // ˈɛl ɪ trəm //

冻土,冻疮,冻土层,冻伤

Definitions

n.名词 noun

In the genus Blaps F., the mucro that arms the apex of each elytrum is longer in the former sex than in the latter.
When a spot for instance is partly on one elytrum and partly on the other.
I saw one once on one elytrum of a beetle and not on the other.
The elytrum, which is heavier and much less extensive, repeats this structure.
Elytrum, el′it-rum, n. the fore-wing of beetles, modified to form more or less hard coverings for the hind pair—also El′ytron:—pl.