basistyle

basistyle

[¦bās·ə¦stīl]
(invertebrate zoology)
Either of a pair of flexible processes on the hypopygium of certain male dipterans.
References in periodicals archive ?
Males have elongated genitalia claspers consisting of a basistyles and a distyles (Byers, 1973; Skelley et al.
Total stylus length was measured by following the curvature of the basistyles and dististyles (Johnson, 1995).