Chimarra (Curgia) acula Flint 1998

Chimarra (Curgia) acula

ADULT.—Length of forewing, and 7.5–8 mm. Color black; body blackish, legs basally paler, abdomen yellow-orange; wings black. Claws of male foreleg apparently unmodified.

Male Genitalia: Eighth sternum slightly narrowed ventrad; tergum produced posteromesally into a shallowly divided mesal lobe. Ninth sternum with anterior margin sinuate; with a posteroventral keel; posterolateral margin produced posteriad over base of clasper into a small lobe, with a blackened, pointed process beneath phallus. Cercus a small, ovoid lobe. Tenth tergum in lateral aspect an elongate, slender lobe; in dorsal aspect divided mesally, with lateral arms divergent posteriad; each lobe with many sensillae. Clasper rectanguloid, slightly produced posteroventrally, with a distinct, apicodorsal tooth; in ventral aspect barely rounded apically with spine very distinct apicomesally. Phallus tubular, inflated basally; apically with an elongate, lateral sclerite ending in a black spine; internally with a pair of elongate, lateral sclerites, between which lies mesally an elongate, pointed sclerite that bears a dark central band.

MATERIAL.—Holotype, male: PERU, DEPT. CUSCO, Pcia. Paucartambo, Puente San Pedro, km 152 (13°03.3′S, 71°32.8′W), 44 km NW Pilcopata, 1450 m, 2–3 Sep 1988, O. Flint and N. Adams. NMNH Type.

Paratypes: Same data as holotype, 3.

ETYMOLOGY.—From the Latin acula (“pin”), in allusion to the point on the clasper.

Chimarra acula is a species of fingernet caddisfly in the family Philopotamidae. It is found in South America.