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Cusiala
boarmoides acutijuxta ssp. n.
Cusiala boarmoides Moore,
1887, Lep. Ceylon, 3: 407.
Cusiala
boarmoides acutijuxta  (holotype) |
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21-24mm,
 30mm. This race resembles the typical race closely in
facies.
The postmedials, particularly the dorsal two thirds of that on the hindwing, are
stronger, blacker, but with the same weak brown band just distally with a narrow
white strip intervening. The male genitalia are distinguished by the longer,
apically acute juxta.
Holotype . SARAWAK: Gunung Mulu Nat. Park, R.G.S Exped. 1977-8 (J.D. Holloway et al.) Site
10, February, Camp 1, Mulu, 160m. 386470, mixed dipt. for., BM geometrid slide
10425.
Paratypes:
1 BRUNEI:
Kilanas Agr. Stn., Oct 1972, M.V. light (D.J. McCrae) BM geometrid slide
10426; 1 BRUNEI: 300m, Ulu
Temburong, rainforest, 9.2.80 (Lt. Col. M.G.
Allen); 1 BRUNEI: Ulu
Temburong Exp. LP 298, 300m, Sept-Oct 1978, M.V. light (Jaya/Sutton) in
Muzium Brunei.
Geographical range. N.E. Himalaya; Borneo, Peninsular Malaysia, Sumatra.
Habitat preference. The species is only known from the lowlands, taken in
both forested and cultivated localities.
Biology. Bell (MS) reared the closely related C. raptaria Walker from S.
India. His descriptions suggests a larva similar in appearance to that
illustrated by Sugi (see generic description).
The larva is polyphagous, perhaps with some preference for the
leguminous genera Cassia and Xylia.
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