Smicridea (Rhyacophylax) probolophora Flint 1991

Smicridea (Rhyacophylax) probolophora

This is a most distinctive species of the peruana group. No other known species of the group bears a lateral process from the phallus. The dorsolateral spinous patch on the phallus suggests a relationship with S. (R.) acuminata Flint, but otherwise the species are easily distinguished. The phallus in S. (R.) acuminata bears a lateral patch of spicules in addition to the midventral spicule row, lacks the lateral process, and apicoventral small spines.

ADULT.—Length of forewing, male 5.5–7 mm, female 6–7.5 mm. Width of eye of male in dorsal aspect slightly less than 1/3 that of interocular distance. Color pale, stramineous, antennae annulate; forewing pale, stramineous with apical fourth darker, with dark line over chord, and dark nygmal points; female with ground color darker (as in Flint, 1974b, Figs. 34, 35). Male abdomen with processes of fifth sternum almost twice as long as sternum. Male genitalia: Ninth segment with anterior margin moderately produced; dorsum with a posteromesal area bearing many spicules; posteroventrally produced into a small mesal lobe. Tenth tergite elongate, tip in lateral aspect narrow and upturned; in dorsal aspect with tip narrow and angled slightly mesad. Clasper with basal segment long, inflated apicad; apical segment with tip bluntly pointed in dorsal aspect. Phallus tubular, with basal section inflated; phallotheca bearing a spiculate lateral process on each side; tip with a midventral row of small points, with ventrolateral sclerotizations bearing several small spines apically; internal sclerites long and slender, bearing a pair of ventrolateral spines (best seen in everted position) and dorsolateral plate with spicules (which can be everted).

MATERIAL.—Holotype, male: COLOMBIA. DPTO. ANTIOQUIA: Quebrada Honda, Marsella [12 km SW Fredonia], 1450 m, 22 Feb 1983, O.S. Flint, Jr. USNM Type.

Paratypes: Same data as holotype, 4. DPTO. META: Quebrada Bianca, 3 km W Restrepo, 11 Feb 1983, O.S. Flint, Jr., 18. VENEZUELA. EDO. MÉRIDA: La Pedregosa, Mérida, 21 Feb 1976, C.M. & O.S. Flint, Jr., 14, 10. Mérida, 1 Jun 1976, Menke and Vincent, 6, 8. El Vigia, 2 Jun 1976, Menke and Vincent, 1, 2. EDO. BARINAS: 22 km NW Barinitas, 24 Feb 1976, C.M. & O.S. Flint, Jr., 14, 5. Puente Parangula, 8 km S Barinitas, 18 Feb 1976, C.M. & O.S. Flint, Jr., 7, 9. Río Santo Domingo, Barinas, 17 Feb 1976, C.M. & O.S. Flint, Jr., 1. DISTRITO FEDERAL: Río Petaquire, below Bajo Seco [Estación Experimental Bajo Seco, ~15 km NW Colonia Tovar], 25 Jan 1983, O.S. Flint, Jr., 12“, 10. EDO. ZULIA: El Tucuco, 45 km SW Machiques, 5–6 Jun 1976, Menke and Vincent, 20, 3.