calypter 腋瓣
calypter[ noun ]
scalelike structure between the base of the wing and the halter of a two-winged fly
<noun.animal>
calypter \calypter\ n. (Zo["o]l.)
a scalelike structure between the base of the wing and the
halter of a two-winged fly.
Syn: alula.
[WordNet 1.5]