NOVITATES ZOOLOGICAE Vol. XXXIX. DECEMBER 1934. No. 2. NEW SPECIES AND SUBSPECIES OF GEOMETKIDAE. By LOUIS B. PROUT. SuBFAM. OENOCHROMINAE 1. Petovia niphosphaeras sp. n. $, 36 mm. Face blackish, becoming paler below. Vertex and antenna blackish. Thorax in front capucine yellow, above — especially on tegula — largely rufous, mixed with orange, beneatli orange -yellow. Abdomen buff-yellowish, above mixed with rufous. Legs olive-brown. Forewing considerably broader than in typical Petovia, terraen much less oblique ; cell J, DC not exceptionally oblicjue, SC anastomosing with C and with SC-; bright vinaceous rufous, approaching English red ; a black costal edge, at base very narrow, widening a little, at about 6 mm. meeting an extremely broad black border, whose proximal edge runs very oblicjuely (but with an outward projection in posterior-distal end of cell) to fold at 3 or 4 mm. from termen, thence oblique inward ; a large white apical patch between costa and R^ anteriorly and distally somewhat rounded so as to recede slightly from costa proximally and from termen posteriorly ; a much smaller subterminal white spot only separated from it liy R^. Hindwiwj broader than in typical Petovia, DC less extremely oblique ; coloured like forewing, excepting costa ; border not oblique-edged, about 4 mm. wide ; apical white spot oval or slightly reniform ; posterior white spot vestigial. Underside the same. Tanganyika Territory : Ukami. Type in coll. Brit. Mus. A strikingly distinct species, apparently entering the same mimetic associa-tion as Alelis, but structurally agreeing with Petovia except in the details noted above. 2. Achlora micraulax sp. n. fj', 3.') mm. Almost exactly like; a lather l)rightly coloured riiprinaria Guen. (18.58). I'alpus more reddish on outerside. Antennal pectinations considerably Hhortcr (only about 2), Hiiidwing with M' barely stalked; beneath with the ridges of hair extremely small (so that they might easily be overlooked but for their light brown colour), separated by a small furrow behind M^ Forewing with ajjcx scarcely ho acute-as in cuprinnria. Both wings with the terminal dots more 7 «U
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