dcsimg

Comprehensive Description

provided by Smithsonian Contributions to Zoology
Cyrnellus misionensis

The species is related to C. risi (Ulmer) on the basis of the oblique placement of the apicomesal lobe of the clasper; however, it is very distinct in appearance in that the lobe is much longer and more slender and projects below the ventral margin of the clasper in lateral aspect.

ADULT.—Length of forewing, 4.5 mm. Color brown, antennae and legs stramineous; forewing brown with small stramineous spots.

Male Genitalia: Internal process of cercus long and slender; subgenital plate short and broad in lateral aspect. Clasper in lateral aspect slightly curved and slightly enlarged apicad with apicomesal lobe projecting distinctly below ventral margin; in ventral aspect with mesal margin evenly curved, apicomesal lobe elongate, narrow, projecting posteromesally. Aedeagus with internal process indistinct, in lateral aspect with basal portion rounded and bearing a pointed process, apex angled ventrad.

MATERIAL.—Holotype (male): ARGENTINA, PCIA. MISIONES, Arroyo Piray Mini, Rt. 17 W Dos Hermanas, 23 Nov 1973, O.S. Flint, Jr., USNM Type 100498.

Paratype: Same data as holotype, 1.
license
cc-by-nc-sa-3.0
bibliographic citation
Flint, Oliver S., Jr. 1983. "Studies of Neotropical Caddisflies, XXXIII: New Species from Austral South America (Trichoptera)." Smithsonian Contributions to Zoology. 1-100. https://doi.org/10.5479/si.00810282.377