Comprehensive Description
provided by Smithsonian Contributions to Zoology
Chimarra (Curgia) peytoni
Chimarra immaculata (Ulmer).—Flint, 1981:12 [misidentification, in part].
ADULT.—Length of forewing, and 5–7 mm. Color brown, body and appendages paler; forewing yellowish brown, with many small, dark flecks.
Male Genitalia: Eighth sternum parallel sided; tergum with long, mesal process from posterior margin whose apex is expanded and bilobed in dorsal aspect; with slender posterolateral lobe bearing an apical brush of setae. Ninth sternum with anterior margin vertical; with long posteromesal keel; produced into long dorsal extension, articulating to inner surface of eighth tergum, laterally these plates bearing two setose knobs, dorsalmost larger. Cercus elongate, clavate. Tenth tergum short, tip entire; apex produced in a low dorsal lobe and low, basolateral shoulder-like knobs, with posteroventral lobe; with many sensillae dorsally. Clasper elongate, tapering, basally with small, dorsal lobe (much of clasper base and dorsal lobe covered by lateral face of ninth sternum), dorsal margin with a small angle near midlength and small apicoventral lobe; in ventral aspect tapering to a blunt apicomesal point. Phallus short, tubular, base greatly inflated, opening ventrad; with a strong, apicoventral lip-like lobe and a slender dorsal sclerotization; internally with a small rod-and-ring assembly and a small, sclerotic spot with a few minute spicules.
MATERIAL.—Holotype, male: VENEZUELA, EDO. BARINAS, Puente Parangula, 8 km S Barinitas, 18 Feb 1976, C.M. and O.S. Flint, Jr. NMNH Type.
Paratypes: Same data as holotype, 2, 1. EDO. ZULIA, Dist. Mara, Río Socuy, Campamento Corpozulia, 50 km W Carrasquero, 6–7 Oct 1979, Savage and Romero, 1. El Tucuco, Sierra de Perijá, 28–29 Jan 1978, J.B. Heppner, 2, 4. Parque Nacional Perijá, Río Negro in Toromo, 10.051°N, 72.712°W, 360 m, 15 Jan 1994, Holzenthal et al., 7, 4 (IZAM, UMSP). Cañno Carichuano, 3.4 km SE Carbones del Guasare, 11.002°N, 72.285°W, 70 m, 12–13 Jan 1994, Holzenthal et al., 3, 7 (UMSP). EDO. ARAGUA, Parque Nacional Henri Pittier, Río La Trilla, 22.5 km N Rancho Grande, 17–19 Sep 1979, H.M. Savage, 1, 1. Ocumare [de la Costa], 19–20 Feb 1969, P. and P. Spangler, 7, 10 (IZAM, NMNH). EDO. MIRANDA, Río La Sabana, ~2 km S La Sabana, 10.606°N, 66.383°W, 10 m, 25 Jan 1994, Holzenthal et al., 1, 1 (UMSP).
COLOMBIA, DPTO. TOLIMA, Armero, near Guayabal, 2–10 Feb 1977, E.L. Peyton, 130, 73.
ETYMOLOGY.—Patronym in honor of E.L. Peyton, culicidologist, in whose collection I first recognized the species.
- bibliographic citation
- Flint, Oliver S., Jr. 1998. "Studies of Neotropical Caddisflies, LIII: A Taxonomic Revision of the Subgenus Curgia of the Genus Chimarra (Trichoptera: Philopotamidae)." Smithsonian Contributions to Zoology. 1-131. https://doi.org/10.5479/si.00810282.594