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Carsina Hampson
Type
species: obliqua Moore,
N.E. Himalaya.
The type
species of the genus has facies of the type described above for “Loxioda”
mediofascia
and
potentially related species. The male genitalia of C. obliqua share
features with Maxera arizanensis Wileman, hence this species should be
transferred to Carsina, comb. n. The
female genitalia of C. obliqua have a short ductus and broad, elongate corpus bursae.
The close association of the ostium with both the eighth and seventh segments,
being drawn under the reduced sternite of the latter, may indicate relationship
to the core Catocalinae. Both sternite and tergite of the male eighth abdominal
segment have apodemes, and the former lacks any suggestion of a frame or
coremata, though there appears to be a paratergal sclerite in the genitalia.
The
Bornean species currently attributed, (see below), and the closely related “Carsina”
kanshireiensis
Wileman
(Taiwan), despite the similarity in facies to typical Carsina,
do not show a close structural relationship. The male eighth segment is of a
typical framed corematous type. The genitalia have a paratergal sclerite, and
there is a narrow saccus associated with the otherwise broad vinculum. The
valves are paddle-like with a distinct costa and a digitate process associated
with its base. The saccular margin is irregular, with two curved
excavations. The aedeagus and vesica are broad, the
latter with diverticula that can be spined distally. In the female of bendioides,
the seventh sternite is only slightly reduced,
but the eighth segment appears to be vestigial and, with the ostium, drawn
within the seventh. The ductus is slightly spiralled, complex as illustrated,
and the corpus bursae is ovate, with a shallow longitudinal flange within it.
The ductus seminalis arises centrally from the spiralled ductus.
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