|
Bematha Walker
Type
species: extensa Walker.
The male
antennae are fasciculate, and the forelegs of that sex have prominent fringes of
scales up to the tarsal section. The hind-tibia is also densely scaled. The
facies is distinctive and described below.
In the
male abdomen the eighth segment is unmodified apart from a slight thickening of
the anterior margin of the sternite and a weak central lacuna just distal to it.
The genitalia have a sinuate uncus, apically hooked, and a slight scaphium. The
juxta is obscure. The valves are highly modified, roughly rectangular but
divided into a rather claw-like costal and apical portion, within which the more
sclerotised costa is strongly angled, and a distally rounded saccular portion.
The aedeagus vesica is massive, extensively and coarsely scobinate, and with two
diverticula that terminate in spiny knobs.
The
female has the ostium within the posterior part of the seventh segment. The
ductus is short, fluted, and the corpus bursae is large, a broad spindle-shape
with, reflexed from its base, a more finely scobinate, globular appendix bursae
on a short stalk. The corpus bursae is extensively corrugated in diverse
directions and scobinate, the scobination more intense in two small signa at two
thirds.
The
genus is currently monobasic (see below); B. transversata Wileman
& West (see Poole, 1989) is transferred to Bocula
Guenée
on p. 203.
<<Back
>>Forward <<Return to Content Page
|
