318 



FAMILY X. PSELAPHIDiE. 



Antennas with second joint small, oval ; third and fourth smaller, obconical ; 

 joints 5-8 larger, subglobular, equal ; ninth to eleventh transverse, forming 

 in male a densely pubescent club, three times as thick as eighth joint and 

 as long as the five preceding together; in female the club is smaller, less 

 pubescent and the preceding joints equal and cylindrical. Thorax sub- 

 globular, the basal groove sharply defined. Elytra each with a discal 

 groove on basal two-thirds. Front trochanters with a slender spine. Length 

 1.8 mm. (Fig. 149, d.) 



Lake, Steuben, and Starke counties; scarce. May 25-June 16. 

 Brachygluta abdominalis Aube, red-brown, pubescence very fine, 

 length 2 mm., has been taken near Cincinnati. 



XII. Bryaxis Leach. 1817. (Gr., ''to swarm.") 



In this genus the thoracic fayere are not connected by a groove. 

 The following probably occur within the State : 



KEY TO INDIANA SPECIES OF BEY AXIS. 



a. Median basal fovea of thorax smaller than those on sides; last three 

 joints of male antenna? contorted. 

 6. Thorax as long as wide, convex; first dorsal of abdomen without 

 carina?. pekpunctata. 

 k~b. Thorax wider than long, less convex; abdominal carina? present, in- 

 cluding between them two-fifths of the width of segment. 



605. cavicornis. 



or/. Thorax with three large, equal pubescent fovea?; sexual marks on the 

 abdominal segments of male, the antenna? not modified. 

 c. Fovea? of occiput open toward the eyes, or very near them ; thorax 

 finely punctate ; male with first dorsal segment acutely bilobed ; 

 length 1.7 mm. 606. illinoiensis. 



cc. Fovea? of occiput distant from the eyes; thorax not punctate; 

 black, legs, antenna? and palpi dusky yellow ; length 1.3 mm. 



PERFORATA. 



B. perpunctata Brend., brown, punctate, sparsely pubescent, 

 length 1.8 mm., is known from Illinois. 



605 (1927), Bryaxis cavicornis Brend.. Proc. Ent. Soc. Phil., VII, 1866. 

 194. 



Elongate-oval. Fuscous-brown, clothed with long, recumbent pubes- 

 cence; elytra and legs reddish-brown; antenna? dark red, last four joints 

 fuscous. Head six-sided, fovea? large. Antenna? longer than head and 

 thorax, the last three joints in male each differing in form, ninth wedge- 

 shaped, tenth screw-shaped, eleventh kidney-shaped. Thorax wider than 

 long, finely punctate, the basal fovea? all visible from above. Elytra finely 

 and sparsely punctulate ; discal lines straight, converging. Length 2 mm. 



Putnam and Posey counties ; rare. September 28-October 10. 



