428 Annals of the Carnegie Museum. 



but little inflated, the auditory opening small and narrow, fusiform 

 or subfusiform. Hind femora robust and rather long for the size of 

 the insect. Last ventral segment of the male abdomen elongate, 

 evenly tapering apically, scarcely canaliculate, its apex roundly 

 docked. Hind tibia; five-spined on both sides; the posterior meta- 

 tarsus one- to two-spined, or toothed. 



Length of body, cT, 12 mm., 9 , i3-5 mm.; of pronotum, cf , 2.15 

 mm., 9 , 2.65 mm.; width, c/', 3.25 mm., 9 , 34 mm.; length of teg- 

 mina, cf , 12.5 mm., 9 , 13.5 mm.; of wings, cf , 15 mm., 9 , 16 mm.; 

 of hind femora, cf , 12 mm., 9 , 13 mm.; of ovipositor, 9.5 mm. 



Habitat. — Seven males and six females. These insects were taken 

 at Chapada and Corumba, Brazil, during the months of March to 

 November (H H. Smith) and Puerto Suarez, Bolivia, Nov.-Jan., 

 1908-1909 (J. Steinbach). The types, male and female, are deposited 

 in the Carnegie Museum. 



