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Selenoperas Hampson
Type
species: caustiplaga Hampson.
The
general facies of this species is distinctive, as described below and
illustrated. Holloway (1982: 239) noted the conspecificity of Selenoperas
costiplaga Hampson (Ophiderinae) and Oruza fulviplaga Warren
(Acontiinae) and suggested that Selenoperas should
provisionally be associated with Oruza on
grounds on size and facies until a clearer understanding of the characteristics
of noctuid subfamilies became available. Fibiger (2003) listed the genus within
his concept of the Calpinae (see p. 5), though also indicating that much
revisional work was needed on most genera so listed. The genus is perhaps better
associated with the quadrifine groups as the lower clypeofrons is broadly
scaleless. However, the second tergite of the abdomen is without phragma lobes
(see p. 25).
The male
abdomen has an eighth sternite (Fig 957) that appears to be a modification of
the framed corematous type, the coremata being well developed long and narrow;
there are no lateral rods. The tergite is half as broad but also has a
frame-like stricture, with short, well separated apodemes anteriorly. In the
genitalia, the distal part of the valve is flimsy,
tending towards corematous. The sacculus is scobinate, angular, with a distal
spur. The juxta is weak, but the diaphragma is vertically corrugated and
extensively scobinate. The uncus is very slender, with a crest of hairs near the
apex.
The
female genitalia are somewhat as in the Saroba group
of genera, with the ostium associated with a scobinate area extending from the
anterior of the eighth segment. The ductus is sclerotised, moderate, with a
slight twist in the corpus bursae at the point of junction of the ductus. The
corpus bursae is ovate, without ornamentation. The genus is monobasic.
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