View Image Gallery of Subfamily Nolinae

Barasa alopha Hampson
alopha Hampson, 1896, Fauna Br. India, Moths, 4: 525.


Barasa alopha

This is a smaller species than
acronyctoides but with similar or darker forewing colour and a similarly strongly sinuous postmedial. However, the posterior section of this, together with a dark discal bar, combine to give the impression of a transverse, dark, broken medial band. The hindwings are white or grey, grading darker towards the apex.

Geographical range. Indian Subregion, Burma, Sundaland, Sulawesi.

Habitat preference. Only two Bornean specimens have been seen, from the lowlands of Kalimantan near Pontianak and the other from lowland forest at Labi in Brunei.

Biology. Gardner (1943) and Bell (MS) reared the species in India. The larva is rather lymantriid-like, with secondary setae on verrucae that are dorsolateral, lateral and subspiracular. Most segments are velvety black dorsally, but T2, T3 and A4-6 are suffused and marbled with yellowish grey except for a dorsal line and a ring round each verruca which remain black. There is a broken, light yellow subspiracular band and intersegmental rings of the same colour over A8-10. A large dorsal orange patch straddles the junction of A8 and A9. The venter is light grey, speckled darker. The tufts of setae on verrucae are generally dark grey on T1, the dorsolaterals long and prominent. Those of T2, T3, A4 and A5 are light yellow, and those of A1-3 are orange. Shorter hairs may be a yellowish white and longer ones anteriorly and posteriorly being curved and a dark brown. There are also feathery white hairs incorporated in each tuft. The head is round, smooth, ferruginous.

Pupation is similar to that of B. acronyctoides, but the cocoon is peaked at both ends and has a further double peak centrally.

The host plant recorded was Terminalia (Combretaceae).

<<Back >>Forward <<Return to Content Page

Copyright © Southdene Sdn. Bhd. All rights reserved.