Chimarra (Curgia) hyoeides Flint 1983

Chimarra (Curgia) hyoeides

This species, C. catarinensis, new species, and C. ypsilon, new species, are closely related. In appearance, C. ypsilon and C. hyoeides are very similar, with C. hyoeides usually having the golden spots much smaller with the large basal mark broken into two distinct spots. The male genitalia show a closer relationship to C. catarinensis, however, but the eighth tergum lacks the small ventrolateral brushes, the tenth tergum is only semi-erect and not pointed, the clasper is distinctly elongate dorsally, and the apicomesal process of the ninth sternum is longer and pointed.

ADULT.—Length of forewing, 5–6 mm. Color generally fuscous, head and thorax with golden hair, forewing marked with golden spots, generally rather small, with basal mark divided into 2 longitudinal spots, with narrow Y-shaped mark from stigma. Forewing without bulla in radial system; hind wing with 4 branches to Rs and 3 to M.

Male Genitalia: Eighth sternum slightly narrowed ventrally; tergum produced posteriorly into 2 large lobes separated mesally by a deep U-shaped excision. Ninth segment produced anteroventrally; dorsomesally produced into a slender process directed posteriad; posteroventral keel produced posteriad into a long, slender process. Tenth tergum long, narrow, semi-erect. Clasper elongate, parallel-sided, apicodorsal angle longest in lateral aspect, in ventral aspect with apicolateral angle longest. Aedeagus tubular with apicolateral margin sclerotized, apex divided middorsally; internally with a rod and ring assembly, and a pair of long, slender spines, and 4 short, black spines.

MATERIAL.—Holotype (male): ARGENTINA, PCIA. MISIONES, Río Iguazú, Camp Nañdu, 25 Nov 1973, O.S. Flint, Jr., USNM Type 100481.

Paratypes: Arroyo Piray Mini, Rt. 17 W Dos Hermanas, 23 Nov 1973, O.S. Flint, Jr., 1. PARAGUAY, DPTO. ALTO PARANÁ, Salto del Monday, near Puerto Presidente Franco, 26 Nov 1973, O.S. Flint, Jr., 23. DPTO. AMAMBAY, Río Aquidabán, Cerro Corá, 29 Nov 1973, O.S. Flint, Jr., 6, 5; 2 km S Cerro Corá, 28 Nov 1973, O.S. Flint, Jr., 1. BRAZIL, EDO. SANTA CATARINA, Nova Teutonia, (27°11′S, 52°23′W), 300–500 m, Oct 1964, Fritz Plaumann, 2; same, but Sep 1964, 1. URUGUAY, DPTO. ARTIGAS, Río Cuareim, Sepulturas, 15 Jan 1952, C.S. Carbonell, 1 (FHCU).

Chimarra (Curgia) hyoeides Flint

Chimarra (Curgia) hyoeides Flint, 1983:17.

DISTRIBUTION.—All species are limited to the Greater Antilles, with each major island supporting one or more species.

Chimarra hyoeides là một loài Trichoptera trong họ Philopotamidae. Chúng phân bố ở vùng Tân nhiệt đới.