n 



the base of the third antennal joint and antealar callosity reddish 

 j-ellow, broad sides of second, third and fourth abdominal segments 

 except a larg-e spot on each, also a large portion of the venter and 

 the tibiae except apical half of front ones, j'ellowish, palpi and 

 knobs of halteres whitish; head wider than thorax, front of female 

 strongly narrowed below, gray pruinose, the callous polished, 

 shield shaped, a partially denuded oval spot above it connected by 

 a narrow line, ocellar spot somewhat denuded but not elevated, 

 eyes pubescent, purplish, each marked with two or three greenish 

 bands, third joint of antennae broad, the upper angle blunt, palpi 

 rather short and very robust, hairs of last joint chiefly black in the 

 female, white in the male; mesonotum gray pruinose, marked with 

 six black vittae, the hairs black and mixed with a few yellowish 

 ones, hairs of pleura white, many black ones on the upper portion; 

 segments two to six of abdomen each marked with three gray 

 pruinose spots contiguous to the narrow gray hind margin, each 

 spot extending across, or nearly across, the segment; wings sub- 

 hyaline, a small faint brownish cloud at forking of the third vein, 

 this fork not appendiculate, outer portion of first posterior cell with 

 parallel sides. Length, male 12, female 15 mm. A specimen of 

 each sex. Ormsby County, Nevada. Type No. 7319, U. S. National 

 Museum. 

 114 Tabanus puncTifer OS. Ormsby County, Nevada. 



ASIIvIDAE. 



155 DIOCTRIA PUSio OS. Ormsby County, Nevada. 



974 SCLEROPOGON INOUINATUS L/W. Ormsby County, Nevada. 



104 Erax dubius Will. Ormsby County, Nevada. 



105 AsiLUS CALLiDUS "Will. Ormsby County, Nevada. 



1742 AsiivUS ANGUSTIFRONS Will. Omisby County, Nevada. 



1018 Mallophora fauTrix OS. Claremont, Los Angeles County, 

 California. 



BOMBYLIDAE. 



1743 ExopROSOPA TiTUBANS OS. Ormsby County, Nevada. 



1744 Systoechus oreas OS. Ormsby County, Nevada. 



116 Anthrax morio L. Ormsby County, Nevada. 



1204 PhThiria suIvPHUREa Lw. Claremont, California and also 

 in Ormsby Count3% Nevada. 



1745 Geron subauraTus Lw. Ormsby County, Nevada. 



1746 Pantarbes pusio OS. Ormsby County, Nevada. 



THEREVIDAE. 



119 Psii^ocephala costai^is Ew. Ormsby County, Nevada. 



117 Thereva dupi.icis Coq. Ormsby Countj', Nevada. 



