Comprehensive Description
provided by Smithsonian Contributions to Zoology
Leptonema aberrans
Leptonema normale Banks.—Gibbs, 1973:383–385, figs. 53–55 [misidentification].—Statzner and Gibon, 1984:135–137, figs. 5–7 [misidentification].
MALE.—Color in alcohol uniformly pale yellowish brown (“tawny yellow,” Gibbs, 1973:383). Length of forewing 12 mm.
Malar space narrow, about height of eye; bare. Parafacial area about width of malar, with a few short setae. Postocular area 1 times as wide as malar, with a few short setae. Maxillary palpus with fifth segment longer than basal 4 segments combined. Foretibia with a single apical spur. Process of fifth sternum small, oval.
Genitalia: Tenth tergum with wart c well developed, protuberant; lateral lobe long, triangular, pointed apicad in lateral aspect; in dorsal, long, thin with tip slightly hooked laterad. Clasper short, broad; apical segment almost a third as long as basal, with spinous setae at tip; basal segment unmodified basally. Phallus with base enlarged, bulbous, then sharply constricted, apical portion long, slender, divided near base into a pair of overlapping processes: ventral process slightly curved apicad, ending in a pair of upturned spines; dorsal process generally tightly appressed to dorsum of ventral process, membranous apicad, ending in a hooked, upturned sclerite, with ejaculatory duct internally.
FEMALE.—Unknown.
TYPES.—Holotype (male): GHANA, Atewa Range, reared from pupa 11 Dec 1966, D.G. Gibbs.
Paratypes: Same, but 13 Nov 1966, 2. [IVORY COAST], waterfalls at Man, 10 Aug 1982, 2.
Holotype in BMNH; paratypes in BMNH, USNM, and ZIK.
- 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