dcsimg

Comprehensive Description

provided by Smithsonian Contributions to Zoology
Leptonema asclepium

MALE.—Color pale brown, probably green in life; forewing with faint infuscation along chord. Forewing length 15 mm.

Malar space narrow, about width of eye. Parafacial and postocular areas width of malar; postocular area with a row of 6–8 stout setae. Maxillary palpus with apical segment slightly more than half length of basal 4 segments combined. Process of fifth sternum large, ovoid.

Genitalia: Tenth tergum with warts a, b1, and b2 elongate, arising close together at apex of tergum; lateral lobe with apex twisted laterad, dorsal margin broadly and slightly produced, with basal area broad and dorsally continuous with wart b2. Clasper with apical segment very long, terete; basal segment not quite twice length of apical, base unmodified. Phallobase elongate, sharply angled; apex with process b long, pointed, reflexed basad, with process c short, arising from outer face of b;e fused to phallobase, produced into a rounded, spiculate knob dorsolaterally; g a narrow, pointed process; j furcate apically, arms at least as long as basal part.

FEMALE.—Unknown.

TYPES.—Holotype (male): COSTA RICA, [Pcia. Cartago], Turrialba, 15–19 Jul 1965, P.J. Spangler.

Paratype: [Pcia. San José], Carillo, 7 May, Wm. Schaus, 1

Holotype and paratype in USNM.
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bibliographic citation
Flint, Oliver S., Jr., McAlpine, J. F., and Ross, H. H. 1987. "A Revision of the Genus Leptonema Guérin (Trichoptera: Hydropsychidae: Macronematinae)." Smithsonian Contributions to Zoology. 1-193. https://doi.org/10.5479/si.00810282.450