Lophoptera
tripartita Swinhoe
Gyrtona tripartita Swinhoe,
1902, Ann. Mag. nat. Hist. (7), 9: 84.
Diagnosis. This species and the next are closely related, having similar facies
with pale antemedials and postmedials crossing a rich brown forewing; there is a
subapical yellow bar at the costa on the forewing underside (also seen more
weakly in group B8). The pale fasciae are straighter, more oblique in tripartita
and there is not a distinctly paler, yellowish patch between the reniform
and the postmedial as in paranthyala. The genitalia of the two species
are very similar in both sexes. The appendix bursae of the female is relatively
weak, the post-ostial invagination and lateral lobes absent, though there is a
slight transverse bar in the post-ostial position.
Geographical range. Sundaland, Sulawesi, Buru, New Guinea.
Habitat preference. The record of this species from Kinabalu (Holloway,
1976) is erroneous (see L. partitistis). It was taken infrequently in
lower and upper montane forest on G. Mulu and also in alluvial forest in the
lowlands at Long Pala during the Mulu survey. A singleton was taken at 1620m in
upper montane forest on Bukit Retak, Brunei.
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