24tj mi.LKTIN: MISEIM OF COMPARATIVE ZOOLOGY. 



Priocnemis HESPERUS Banks. 

 Calif.: StanfortI Tniv., 3 September. 



Cryptocheilus. 



1. Wings more or less yellow or reddish 2 



Wings, and antennae black atratus. 



2. Antennae yellowish 3 



Antennae black 4 



3. Second recurrent strongly bent; in hind wing the cubitus arises before 



the end of the cell flatnmipennis. 



Second recurrent only slightly curved; in hind wing the cubitus arises 

 beyond the end of the cell pallidipennis. 



4. Abdomen hairy above, femora also very hairy 5 



Abdomen not hair^- above except at tip, femora not noticeably hairy. 



terminatus. 



5. Metanotum wrinkled on basal part rugosus. 



Metanotum not wrinkled inaequalis. 



Cryptocheilus terminatus (Say). 



Calif.: Claremont, Los Gates Divide to Mt. Diabolo, 6-8 June, 

 Coalinga, 9 June; AVash. : Yakima River, 30 June, 1882. 



Cryptocheilus flammipennis (Say). 

 Calif.: Lemoncove, Tulare Co., 7-11 June. v 



Cryptocheilus inaequalis Banks. 

 Wash.: (Kincaid), Camp Umatilla, 27 June, 1882. 



Cryptocheilus pallidipennis (Banks). 

 Calif.: Brawley, Imperial Co., 9 August. 



Cryptocheilus rugosus Banks. 

 Idaho: Lapwai, 4 August; Wash.: Waw^awai, June. 



