166 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



1. Wings perfectly clear larreae Ckll. 



Wings not perfectly clear 2 



2. Inner orbits parallel laticeps n. sp. 



Inner orbits converging below 3 



3. Apex of wings whitish oliviae Ckll. 



Apex of wings not whitish 4 



4. Legs entirely fulvous fulvipes n. sp. 



Legs mostly dark 5 



5. Tarsi and spot on tegulae reddish; veins light brown. rhodocerata Ckll. 

 Tarsi and tegulae black; veins almost black arenicola n. sp. 



Hesperapis laticeps new species 



Male. Length 9 mm. Black, head broader than thorax, inner orbits 

 parallel; vertex high; face laterad of ocelli not depressed; cheeks at upper 

 end of eye convex in outline; face finely sparsely punctured, surface almost 

 concealed by the dense white pubescence; anterior margin of clypeus 

 reddish; labrum and mandibles, except the red apical portions, honey 

 color; tip of 'one mandible reaching to base of other; joints of labial palpi 

 almost equal in length; flagellum light reddish beneath; thorax and pro- 

 podeum, except triangular enclosure covered with dense white hair; mesono- 

 tum finely sparsely punctured; base of propodeal triangle finely wrinkled, 

 the wrinkles nearest metanotum parallel to the posterior edge of that 

 sclerite; the wrinkles beyond these broken medially and the inner ends 

 turning caudad; rest of triangle, except apical part, finely reticulated; 

 tegulae with a large reddish spot; wings slightly dusky; veins light brown; 

 first cubital cell over one-third longer than second; legs brown; abdomen 

 dark brown, closely and finely punctured with short brown pubescence, 

 apical margins of segments 1-6 with a band of white appressed pubescence. 



Type locality. Panamint Valley, California, (April, 1891, A. 

 Koebele coll.) 



Eight specimens; type and paratypes a and b with the above 

 record: paratypes c-g from the Panamint Mts., (April, 1891, 

 Koebele), the latter series have evidently been in alcohol and are 

 badly rubbed. 



Type. Cat. No. 21160 U. S. N. M. 



Hesperapis fulvipes new species. 



Male. Length 11 mm. Black, with slightly ochraceous pubescence, 

 long and dense on thorax and very dense and almost white below antennae: 

 face finely sparsely punctured; inner orbits distinctly converging; face 

 laterad of ocelli concave; anterior margin of clypeus and labrum almost 

 honey color; base of mandibles yellowish, tips ferruginous; flagellum 

 reddish, somewhat darker above; mesoscutum with sparse small punctures, 

 punctures of scutellum closer; propodeum smooth, extreme base indis- 

 tinctly reticulated, tegulae testaceous; wings faintly dusky; stigma and 



