Leptonema chiapense Flint, McAlpine & Ross 1987

Leptonema chiapense

MALE.—Color greenish brown; forewing greenish brown, with strong green overtones basally. Length of forewing 14–15 mm.

Malar space narrow; about height of eye. Parafacial and postocular areas about width of malar; postocular area with a row of 5–7 stout setae. Maxillary palpus with fifth segment slightly shorter than basal 4 segments combined. Process of fifth sternum very large, round, occupying almost entire width of sternum.

Genitalia: Tenth tergum with warts a and bl elongate, b2 reduced to a small lobe and a series of enlarged setal bases. Clasper with apical segment terete; basal segment 4 times as long as apical, base unmodified. Phallobase slightly enlarged, curving directly into stem; subapically with a darkened, constricted dorsolateral area; process b a short, erect spine arising from an enlarged base; process g pointed, produced dorsolaterally; with a dorsomesal thumb-like lobe overlying a (possibly j, but with free end directed posteriad).

FEMALE.—Similar to male in color; large, forewing length 15–16 mm.

TYPES.—Holotype (male): MEXICO, Edo. Chiapas, Cascada Misolja, 20 km S Palenque, 17–18 May 1981, C.M. and O.S. Flint, Jr.

Paratypes: Same data, 3, 2; same, but J. Bueno, 1, 2; Bonampak, 19–20 May 1984, A. Ibarra, 2, 1 same, but 20–25 May 1980, J. Bueno, 5, 3.

Holotype in USNM; paratypes in IBUNAM and USNM.