Picrostomastis quadrovata Warren, 1896; Plate 6; RTS #418
Taxonomy
C. J. Brooks Specimen #2277; Sarawak, Bidi.
The female holotype of Pharambara quadrovata (Warren 1896c: 343) from East Timor (Oinainisa) and a paratype from Brunei are in the NHM (Mi7352).
Syn. Picrostomastis leucoschista Meyrick 1934:443. TL Java is in the NHM (Mi7352).
Syn. Hypolamprus unicolor Warren, 1897:381. TL E. Timor (Oinainisa) is in the NHM (Mi7352).
Description
40mm. A large indistinctly marked, pale silky fawn species with a distinct diagonal cream median band on the HW. It also often has a short black bar or triangle between M1& M2 (RTS:132).
Distribution & Habitat
Thailand, Sumatra, W. Malaysia, Brunei, Sabah, Sarawak, Java, Sulawesi, East Timor, West Papua, PNG, New Britain. Lowland forest; <500m.
Life History & Pest Status
Meyrick, (1934:443) records the holotype of P. leucoschista [quadrovata] as originating from a twig-boring larva in Glochidion sp. (Euphorbiaceae).
Similar spp.
See Plates. Very similar to P.marginepunctalis but that is much smaller and lacks the pale median band on the HW.