Styringomyia mystica Alexander, 1945

Styringomyia mystica Alexander, 1945b: 241, Figure 7 (male terminalia); 261 (description).

MATERIAL EXAMINED. Holotype. Male, Peru, Junin, Satipo (10º19S, 74º23W), 800­900 m, February 5, 1940. P. Paprzychi (USNM). Part of the specimen pinned with allotype; other parts and terminalia mounted on slide. Allotype. Female, same data of holotype (USNM). Paratype. 1 Male, Peru, Junin, Satipo, 800­900 m, February 5, 1940. P. Paprzychi (USNM). Additional material. 3 males and 5 females, PERU: Madre de Dios, Parque Manu, Pakitza, 11º56S, 71º18W, 250m, stream @ Tr 1­13, IX­20­23­1989; MT, N. Adams (ANSP); 1 mating pair and 3 females, PERU: Madre de Dios, Parque Manu, Pakitza, 11º56S, 71º18W, 250m, stream @ Tr. 2­12, IX­16­1989, LT, Gelhaus & Epstein # 440 (ANSP); 1 female, PERU: Madre de Dios, Parque Manu, Pakitza, 11º56S, 71º18W, 250m, Qda. Claro @ Tr 1­13, IX­8­1989, at dusk, J. Gelhaus # 435 (ANSP).

DESCRIPTION. Dimensions. See Table I. Morphology. Ninth sternite: trilobulate; medial lobe smaller than lateral lobes, narrowing gradually toward tip. Tenth tergite (Fig. 18): posterior margin rounded. Gonocoxite (Figs. 26­27): distal half conical, abruptly narrowed, bearing two long and stout hairs at apex, and a stout, shorter and curved hair at an apical protuberance of ventral margin; other hairs slender, variable in length, the longest along the lateral margin. Gonostylus (Figs 10, 26­27): with four extensions; extension I (Fig. 10, I) very enlarged and sclerotized, bearing a long and a stout spine­like hair; extension II (Fig. 10, II) weakly sclerotized, shorter than the others, bearing long and stout spine­like hair at apex; extension III (Fig. 10, III) longer than the others, strongly sclerotized; extension IV (Fig. 10, IV) more slender than the others, strongly sclerotized. Aedeagal sheath (Figs. 26­27): a pair of lateral lobes present; dorsal crest three­pointed; medial point posterior in relation to the others; ventral branches long, narrowing gradually toward tip. Female cercus: narrowing abruptly toward tip; ventral margin gently curved, not constricted.