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Mniothripa translucens sp. n.


Mniothripa translucens (holotype)

8-9mm. This species resembles bradleyi in facies, including having a dark spot at the forewing tornus, but the forewing is generally darker and more variegated grey, and the hindwing is distinctly more translucent over the basal two thirds. The male genitalia are also similar, but the large setae of the valve apex are much more numerous and densely packed, leaving no space between their bases, and the saccular zone of spining is also slightly more extensive, the setae denser and more robust. The aedeagus has a subbasal sinuous flexure that is stronger than in bradleyi (where many specimens do not show this), and the spicules in the vesica are longer and more slender as in the next species. The female has a wide, crinkled arch in the lamella antevaginalis (more bilobed, less crinkled in bradleyi), and the ostium is narrower and more notched. The sclerotised zone of the ductus is narrower and does not extend extensively into the base of the bursa.

Holotype . BRUNEI: 15m, Telisai, sandy heath forest and Gymnostoma, 8.1.1980 (R. Fairclough), BM noctuid slide 17093.

Paratype . Labuan, BORNEO, (Pryer), BM noctuid slide 17098.

Geographical range. Borneo, Singapore (slides 800, 810; H.N. Ridley material).

Habitat preference. All material is from low altitude localities close to the coast.

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