Mesaster Warren
Type species: albidiscata Warren.
This monobasic genus has facies characteristics of Garaeus and
allies but with very small white discal spots on each wing, an obtusely angular
forewing margin and a doubly excavate anterior half to the hindwing margin. The
angled forewing postmedial encloses a pale buff triangle in the acute angle it
forms distally with the costa; this triangle is less shaded with brown on the
underside. The male antennae are ciliate only.
In the male genitalia the furca has a long left arm but the right one is
vestigial. The coremata on each side are double. The aedeagus vesica opening is
elongate, sclerotised and serrate on one side, this sclerotisation having a
subbasal, serrate spur.
Females are not known.
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