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Mnesiloba dentifascia Hampson stat. rev. 
Eupithecia dentifascia Hampson, 1891, Illustr. typical Specimens Lep. Het. Colln Br. Mus.,
Mnesiloba seminigra Bastelberger, 1905, Ent. Zeits. (Guben), 19: 76, syn. n.
    Eupithecia eupitheciata Walker sensu Holloway, 1976: 67.
Mnesiloba eupitheciata Walker sensu Inoue, 1988: 373.

Mnesiloba dentifascia
(x 1.16)

Mnesiloba dentifascia
(x 1.16)

Diagnosis. Both this and the next species have forewing facies as in the generic description. The anterior half of the forewing postmedial is straight in dentifascia, slightly concave distad in intentata Walker. The hindwing of the male in the latter is reduced in size, rather triangular, grading from pale fawn basally to brown distally, without the fasciation seen in male dentifascia and females of both species. Examination of the genitalia is recommended to confirm identity.

Taxonomic notes. True M. eupitheciata Walker appears to be restricted to the Australasian tropics. The ductus bursa in the female is unsclerotised, the seventh segment unmodified and the boomerang signum narrow. In both Bornean species the ductus is sclerotised and the seventh segment modified.

Geographical range.
Oriental tropics.

Habitat preference. All Bornean material seen was taken between 1200m and 2110m on G. Kinabalu.

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