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Poliofoca Hampson
Type
species: gebenna Swinhoe.
The
genus is monobasic. The general facies is as described below. The male antennae
are narrowly fasciculate, but the legs are not strongly tufted. The labial palps
have a short third segment.
In the
male abdomen the eighth sternite has a well developed single corema anteriorly
supported by a frame from the interior margin and, more diffusely, within the
more distal part of the sclerite. There are lateral rods at the junction of the
anterior frame with the more diffuse distal part. The tergite is narrowly
sclerotised centrally, but this expands at the posterior margin and into splayed
apodemes anteriorly. In the rather elongate genitalia there is a scaphium, and
the juxta appears to be of the inverted ‘V’ type but is weakly defined. The
valves are narrow, tongue-like, with the sacculus terminating in a small spur on
the ventral margin. There is a broad corema exterior to the sacculus. The
aedeagus vesica is large, convolute, and variably scobinate, the scobination
coarse in places. The simple valves with coremata may indicate affinity with Claterna in the Episparis group.
The
female genitalia are also similar to those of Claterna,
but the corpus bursae is very much larger, somewhat rectangular, with a distinct
scobinate signum at two thirds. However, the setae of the ovipositor lobes have
only slight haloes and the tube within the ovipositor is not scobinate. The
ostium is between the seventh and eighth segments, the latter forming a complete
ring.
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