344 PROCEEDINGS OF THE NATIONAL MUSEUM vol. io« 



section of the fourth longitudinal vein 1.36 (1.28), penultimate 0.38 

 (0.36), and the strongly arched ultimate 1.46 (1.48) mm. long; inner 

 cross-vein 0.34 (0.34), outer cross-vein 0.62 (0.52) mm. long; inner 

 slightly shorter than distance between cross-veins; penultimate section 

 of fifth longitudinal vein distinctly excurved. Anal cell with apical 

 process 1.09 (1.02) mm. long; whole anal cell 2 (2.2) times as long as the 

 apical process (0.51 (0.50) mm.); apical process longer than petiole of 

 anal cell. 



Preabdomen shining yellowish brown with reddish tinge, in one 

 specimen mostly blackened and covered with appressed short black 

 hairs. It is 1.9 (1.9) mm. long and 1.8 (1.7) mm. wide; each one of 

 second to fifth tergites is marked with a pair of large lateral black 

 spots; on third to fifth tergites, between the mentioned black spots 

 and lateral margin may be present a smaller long-oval spot, sometimes 

 connected with the usual ones; fifth tergite 0.61 (0.63) mm. long, 1.6 

 times as long as the fourth. 



Epandrium testaceous yellow, oval, with relatively long surstyli; 

 two pairs of shining black gonapophyses present, posterior pair slightly 

 shorter than anterior one, and more acute. 



Female: Unloiown. 



Types: Holotype cf (Dep. Zool., Sao Paulo), Brazil, Sao Paulo, 

 Castelhanos, July 23, 1936, Lange de Morretes. Paratype (FML), 

 same data as holotype. 



Tomoplagia costalimai Blanchard (MS.), new species 



Figures 9S,e-i; 102,o,p; Plate 22, figure 14 



Tomoplagia costalimai (Blanchard in litt.) Hayward, 1941, p. 95 (nomen nudum), 

 Tomoplagia distincta (Blanchard in litt.) Hayward, 1942, p. 32 (nomen nudum). 



The only species without special characters of the aberrant unifascia 

 group which may easily be recognized from the key. 



Male: Length of body 3.8 mm.; wing 4.5 mm, long and 1.9 mm. 

 broad, nearly 2.4 times as long as broad. 



Head entirely testaceous yellow, 0.73 mm. long, 1.28 mm, wide, and 

 1.09 mm. high; oral margin of mesofacial plate raised and prominent, 

 plate without whitish dusting. Frons at vertex as wide (0.54 mm.) as 

 long in median line, 0.43 mm. wide at anterior margin. Antennae 

 and the narrow, slightly curved maxillary palpi with rounded apex 

 testaceous yellow, labellae yellowish brown, Ocellar plate but 

 slightly raised, Postpedicel 0.25 mm. long and 0.18 mm. wide, nearly 

 1.4 times as long as wide; seta bare, shining black except for the 

 testaceous yellow basal fourth, approximately 2.5 times as long as 

 postpedicel. Eyes in profile 0.93 mm. high and 0.45 mm. wide, 

 slightly more than twice as high as wide. Inferior part of cerebral 

 plate very slightly raised, invisible in profile, Genae below eyes 0.09, 

 inferior part of postcranium in profile 0.18 mm. broad. 



