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Lajonquierea derunoides sp. n.  
Metanastria aequizonata Grunberg sensu Holloway, 1976: 89.

Lajonquierea derunoides
(natural size)

male.gif (860 bytes)male.gif (860 bytes)
25-29mm. The species resembles the Javanese deruna Moore (= aequizonata Grunberg) in facies, differing from the previous species in the much greater curvature of the exterior of the two central fasciae, and the narrower space between them. The male genitalia have narrower cubile arms with finger-like terminal processes rather than spines; the valves are straight with a sub-basal dorsal spur rather than curved; the aedeagus vesica is broadly bilobed with a patch of fine scobination subbasally.

male.gif (860 bytes)SARAWAK: Gunong Mulu Nat. Park, R.G.S. Exped. 1977-8 (J.D. Holloway et al.) Site 4, January, Camp 4, Mulu, 1790m, 452463 [upper montane forest], BM lasiocampid slide 922.

Paratypes. 5male.gif (860 bytes)male.gif (860 bytes) (slide 918), general data as holotype, all from G. Mulu upper montane forest; 1male.gif (860 bytes) Ulu Temburong Expedition 1978, BRUNEI, Retak, 1465m L.P. 238, MV, 24.x.1978. (T.W. Harman); 8male.gif (860 bytes)male.gif (860 bytes) (slides 798, 799, 921) SABAH: Cambridge Expedition to Mt Kinabalu 1965 (H.J. Banks, H.S. Barlow & J.D. Holloway), various localities.

Geographical range. Borneo.

Habitat preference. The species is frequent in upper montane forest, less so in lower montane forest, ranging from 900-2000m. It has been recorded from G. Kinabalu, from G. Mulu and G. Api in Sarawak and from Bukit Retak in Brunei. Material has also been seen from G. Murud, taken at 2000m by Mjoberg.

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