OCR Text |
Show 1881.] NOCTURNAL LEPIDOPTERA. 329 Hab. Ceylon (Mackwood) ; Calcutta (Atkinson). In coll. F. Moore. RISOBA PROMINENS, n. sp. Male. Fore wing pale greenish brown, crossed by black sinuous lines ; a prominent white basal, posteriorly obstructed ,oblique band ; a discal transverse, white, ill-defined fascia, which is broad at the costal end, narrow hindward, and margined by an exterior black sinuous line ; exterior border and apex with white-bordered longitudinal apical blackish streaks, transverse sinuous line, and a submar-ginal row of lunules; an irregular black line and central dot at end of the cell: hind wing cinereous-white, with a broad pale-brown marginal band. Female darker, less grey, and discal fascia obsolete ; apical streaks and lower sinuous lines bordered with ochreous. Body greyish brown ; thorax white-speckled ; legs brown above. Expanse, 3 1-A-, $ 1-^ inch. HaB. Khasia Hills (G.-Austen); Malacca. In coll. F. Moore. RISOBA LITERATA, n. sp. Male. Fore wing pale greenish brown, with a distinct white transverse basal, outwardly-oblique band, and a discal inwardly-oblique narrow straight band, both bands forming a prominent letter W ; dark brown streaks at apex, and two subapical paler sinuous white-bordered lines; a brown pale-circled patch and a dot within the cell: hind wing brownish cinereous, with a broad brown marginal band. Body brown ; thorax white ; anterior segments of abdomen white-speckled ; legs brown above. Expanse 1 ^ inch. HaB. Nilgiris. In coll. F. Moore. Differs from R. vialis in the decidedly more distinctly formed bands, and in the absence of any black sinuous outer border ; the hind wing also has a broader marginal band. RISOBA DIVERSIPENNIS. Heliothis diversipennis, Walker, Catal. Lep. Het. B. M. xv. p. 1750 (1858). Female. Fore wing pale brown, with a prominent white longitudinal streak from base through the cell, below which is a short basal white streak similarly disposed as in the other species ; a dark-brown apical patch with white terminal streaks ; outer border crossed by suffused black lines ; veins black- and white-spotted ; marginal white dentate line very prominent: hind wing cinereous-white, with broad brown marginal band and a discal spot. Body brown ; thorax white-speckled ; legs brown above. Expanse lT\ inch. Hab. Malacca and Singapore. In coll. British Museum and F. Moore. KERALA, n. g. Fore wing long, narrow, costa slightly arched near the base, apex acute, exterior margin slightly oblique and excavated near posterior PROC. ZOOL. Soc-1881, No. XXII. 22 |