Leptonema rostratum Flint, McAlpine & Ross 1987

Leptonema rostratum

Neoleptonema aspersum Ulmer.—Flint, 1972:235 [misidentification, Argentina]: 1978:386 [misidentification of material from Argentina and Brazil].

MALE.—Color golden brown; forewing brown, transversely irrorate, with a dark subbasal spot on subcosta, anterior margin with a band silvery hair strongest basally and continuous on pronotum and head laterally; venation with M3+4 stalked in forewing. Length of forewing 10–15 mm.

Malar space broad, almost height of eye, bare. Parafacial area as broad as malar, with short hairs anteriorly; postocular area half as wide as malar, with a row of 1–3 stout setae. Maxillary palpus with fifth segment length of basal 4 segments combined. Processes of fifth sternum small, almost circular.

Genitalia: Tenth tergum with wart a large, protuberant; lateral lobe long, slender, pointed. Clasper with apical segment long, as long as basal segment; basal segment broad, basal extension reduced. Phallus with base at right angles to, and hardly broader than, base of stem; apex enlarged, especially produced dorsad, dorsal opening with apex produced, snout-like.

FEMALE.—Color as in male; smaller in size: forewing 7–13 mm. Middle leg with femur, tibia and tarsus very thin and broad.

TYPES.—Holotype (male): ARGENTINA, Pcia. Entre Ríos, Río Uruguay, Salto Grande, 16 Nov 1973, O.S. Flint, Jr.

Paratypes: Same data, 4, 13; same, but 10 Feb 1974, S. Coscaron, 16, 4. Pcia. Corrientes, Río Uruguay, Yapeyú, 17 Nov 1973, O.S. Flint, Jr., 1; Monte Caseros, 12–14 Feb 1959, A. Bennasar, 11, 3. Pcia. Misiones, Alto Paraná, 18 Jan 1920, Cornell Univ. Exp., 1; San Ignacio, Jul, Wagner, 1; Río Paraná, Puerto Rico, 4–8 Apr 1971, C.M. and O.S. Flint, Jr., 2, 8; Iguazú, 30 Jan–13 Mar 1945, Hayward et al., 2, 150; same, but Río Iguazú, Camp Nañdu, 25 Nov 1973, O.S. Flint, Jr., 4. BOLIVIA, Dpto. Beni, Cafetal Sobrerio Itenez, 13°30′S, 62°W, 7 Mar 1976, R.A. Ronderos, 1. BRAZIL, [Edo. Amazonas], Parintins, 2–10 Oct, Parish, 2, 1. [Edo. Pará], Obidos, 18–22 Aug 1919, Parish, 1, 1; same, but 9 Sep, 1; Santarem, 8–14 Aug 1919, Parish, 5, 1; same, but 11 Dec 1909, 1. Terr. Roraima, 1 km N Mucajai, 14 May 1977, N.D. Penny, 1. Edo. Mato Grosso, Aripuana Dist., Reserva Humboldt, 10°11′S, 50°48′W, 14 Jul 1977, N.D. Penny, 1; same, but 12 Apr 1979, 1. URUGUAY, Dpto. Artigas, San Gregorio, 29 Nov 1959, C.S. Carbonell, 2, 4; Costa Río Uruguay, Barra Arroyo Guaviyu, 22 Dec 1954, C.S. Carbonell, 1. Dpto. Paysandú, Puerto Pepi-Aji, 1 Dec 1959, C.S. Carbonell, 1. Dpto. Salto, Río Uruguay, Salto Grande, 10 Nov 1955, C.S. Carbonell, 1.

Holotype in USNM; paratypes in CMP, CNC, CUI, FHCU, IML, INHS, INPA, MCZ, UNLP, and USNM.