dcsimg

Comprehensive Description

provided by Smithsonian Contributions to Zoology
Zumatrichia teapa

This species is a member of the filosa group, and is most closely related to the following species, Z. rhamphoides, new species. It is easily recognized by the very long lateral process of the eighth sternum, long claspers, and long, pointed lateral penis sheaths.

ADULT.—Length of forewing, 2.5–3 mm. Coloration, typical pattern of grayish green and fuscus. Male genitalia: Eighth sternum with a long, slender lateral process whose tip is shallowly divided; posteroventral margin straight. Ninth segment with anterolateral angle produced; posterolateral lobe short and broad, with a single, large apical seta. Lateral penis sheath with an oval basodorsal sclerite; sheath elongate, narrowed apically, with a long, pointed, apicoventral tooth. Clasper with a small, knoblike basodorsal process; ventral lobe, very long, and slender, slightly inflated apically, with a deep, narrow, midventral slit. Aedeagus apically with middorsal process pointed and decurved apically, expanded basally into lateral plates, internally with 6 spines of intermediate length.

MATERIAL.—Holotype, male. MEXICO: TABASCO : Rio Puyacatengo, east of Teapa, 28–29 July 1966, Flint and Ortiz. USNM Type 70915. Paratypes: Same data, 9 .
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bibliographic citation
Flint, Oliver S., Jr. 1970. "Studies of Neotropical Caddisflies X: Leucotrichia and Related Genera from North and Central America (Trichoptera: Hydroptilidae)." Smithsonian Contributions to Zoology. 1-64. https://doi.org/10.5479/si.00810282.60