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Anigraea Walker
Type species: rubida Walker.
This genus contains numerous rather small species with elongate,
apically produced forewings. In the forewing venation the areole is relatively
much shorter than in other genera; in the hindwing, veins M3 and Cu1a
arise on a short common stalk from the cell, rather than independently
(Fig. 4). The forewing pattern is generally rather diffuse, oblique, in shades
of ochreous, reddish or purplish brown. The antennae of the male are ciliate
rather than bipectinate.
The eighth sternite of the male abdomen is similar to that of Chlumetia
species but with the coremata much more developed, often eversible to a
great length as in deleta Hampson; the central process is generally
bilobed rather than triangular and the terminal spines are often multiple (two
on each side usually). In the male genitalia the saccus is relatively very long,
the valves simple, not extending much beyond the short uncus, sometimes not as
far; the aedeagus is usually about as long as the saccus with the vesica a
convolute tube, often bifurcating, bearing short cornuti and patches of
needle-like spines.
In the female genitalia the paired signa are present in some species,
obscured in general scobination in others; the apophyses of segment 8 are not
distinct.
In addition to the host records for the Bornean species mentioned below,
records for other congeners have been from Anacardium (Anacardiaceae) in
Fiji (Robinson 1975) and from Canarium (Burseraceae) and Castanopsis (Fagaceae)
in CIE records.
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