Styringomyia manauara sp. n.

MATERIAL EXAMINED. Holotype. Male, Brazil, Amazonas, Manaus (3º06S, 60º00W), 1 km from Taruma falls, 12­II­ 1981, 100m, C. Young (CMNH). Pinned specimen, with dissected terminalia inside microvial with glycerin pinned with the specimen. Paratypes. 1 male and 1 female, same data of holotype (CMNH); 2 males and 2 females, Brazil, Amazonas, Manaus (3º06S, 60º00W), 1 km from Taruma falls, 13­II­ 1981, 100m, C. Young (CMNH); 1 male, Brazil, Amazonas, Manaus (3º06S, 60º00W), 1 km from Taruma falls, 14­II­ 1981, 100m, C. Young (CMNH). Additional material. 1 male and 1 female, Brazil, Amazonas, Paraque, 30 km East. Manaus (3º06S, 60º00W), Amazon R. 18 February 1981, 33.5 m, C. W. Young (CMNH); 1 male, CAMPUS F. U. A. Manaus (3º06S, 60º00W), Am., BRASIL, Arm. ESALQ Blb­Bl, Data: 08­09/XI/82, col. P. F. Buhenheim (INPA).

ETYMOLOGY. From the Tupi­Guarani indigenous language, relative to or coming from Manaus.

DESCRIPTION. Dimensions. See Table I. Morphology. Ninth sternite (Fig. 37): narrowing gradually toward tip. Tenth tergite (Fig. 25): posterior margin slightly trilobulate; medial lobe rounded, much broader than long. Gonocoxite (Fig. 37): distal half abruptly narrowed, with a stripe of stout hairs all along its laterodorsal margin to apex; other hairs longer and slender. Gonostylus (Figs. 17, 37): long and narrow, curved, with three strongly sclerotized apical extensions; extensions III and IV closely jointed; extension II more separated. Aedeagal sheath (Fig. 37): without lateral lobes; dorsal crest three­pointed, medial point anterior in relation to the others; ventral branches long, narrowing gradually toward tip. Female cercus: narrowing abruptly toward tip; ventral margin gently curved, not constricted.