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Mnesiloba
Warren
Type species: eupitheciata Walker, Queensland.
This genus was revived from synonymy with Eupithecia by Inoue
(1988). The forewings have a strong discal spot. The postmedial is
perpendicular to the costa over the anterior half, and strongly 'stepped' basad over the posterior half. The hindwing fasciation is
very weak. The male and female genitalia are diagnostic. The male eighth
sternite has well-developed octavals. However, the genitalia lack labides
and the typical hour-glass shaped juxta of the eupitheciines, and the
uncus is relatively strong. There is a sheath or pocket-like structure
between the valve bases, and the valves themselves have a characteristic
angled flap centrally. The female bursa lacks general spining but has an
unusual boomerang-shaped signum. There is minor modification of the
seventh segment in some species. Both sexes have the apodemes of the
second tergite large, rather broadly spatulate.
Another species referable to Mnesiloba is M. cauditornata Prout
comb. n. (New Guinea). The Australian Chloroclystis embolocosma Turner
has similar facies and may also be referable to Mnesiloba. The two
Bornean species have been treated as synonyms of the type species until
now.
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