146 Annals Entomological Society of America [Vol. XII, 



Male and several females from Claremont, California, sent 

 in by Carl F. Baker; three males in the U. S. National Museum 

 from Los Angeles County, California, Collection Coquillett. 

 The smallest female measures only 17 millimeters in total 

 length. 



Erax eximeus Bellardi. 



Total length 17 millimeters. Mystax pale with some black bristles 

 intermixed, beard white, palpi black haired, ocellar and occipito- 

 orbital bristles black. Thorax with black hairs and bristles, scutellum 

 with several black, marginal bristles; femora reddish posteriorly and 

 at apex, black anteriorly, tibiae and tarsi largely red with mostly white 

 hairs and black bristles, wings very slightly smoky hyaline, branching 

 of the third vein midway between the small cross vein and the base of 

 the second posterior cell, stump only very slightly longer than the 

 basal section. Abdomen largely gray, first segment, anterior two- 

 thirds of second and the anterior parts of segments three and four black, 

 posterior part of the second and nearly all of the third and fourth with 

 long hair parted at the middle and directed outward; segments five, 

 six and seven with much .shorter hair. Hypopygium dark red, black 

 in places. See Figure 46. 



A male specimen from Cuernavaca, Mexico, collected by 

 D. L. Crawford. 



This species does not answer in detail to eximeus, but goes 

 there in Bellardi's Key. It is the only Erax I have with the 

 apexes of the femora red following black. 



Erax inflatus Hine. 



A dark colored species with the mystax composed of black and gray 

 hairs intermixed, wings hyaline, slightly fumose at apices, legs black 

 with the exception of the extreme bases of the tibiee which are yellowish 

 red. Length of the males 20 to 25 millimeters; of the females 22 to 26 

 millimeters. 



Front yellowish -gray pollinose, antennae black, first two segments 

 clothed with gray hair, occipito-orbital bristles and ocellar bristles 

 black, mystax composed of black and gray hairs intermixed, beard 

 silky white, palpi black with black hairs; thorax brownish-gray pollinose 

 with a dark mid-dorsal stripe abbreviated posteriorly, clothed with 

 gray and black hairs and bristles existing in different proportions in 

 different specimens; legs black except the extreme apices of the tibia, 

 which are yellowish-red, furnished with white hairs and black bristles 

 and some golden pile on the underside of some of the segments; wings 

 hyaline, slightly darkened at apex. 



Male abdomen with the apex of the second segment and all of the 

 segments from three to seven inclusive silver white, segments two and 

 three with long white hair parted at the middle and directed outward, 



