96 



GUIDE TO CALIFORNIA INSECTS. 



parata — Bern b id u I a. 

 signata (Linn.) 

 tenuicornis (Fox), 

 usitata (Fox). 

 Tachysphex ashmeadii Fox. 

 crenulatus Fox. 

 spinosus Fox. 

 spissatus Fox. 



Bembex amoena Hal. 

 fasciata Fabr. 

 spinolae — fasciata. 

 monodonta — Microbembex. 



pauxiilatus Fox. 

 Tachytes distinctus Sm. 



elongatus — distinctus 



pepticus Say. 



rufofasciatus Cr. 

 Cteniola duplicata Prov. 



scolopacea — duplicata. 



tibians Handl. 



BEMBECID/E. 



nubilipennis Cr. 



occidentalis Fox. 

 U-scripta Fox. 



PEIVIPHREDON/E 



Diodontus occidentalis Fox. 

 Mimesa mixtus (Fox). 

 Passaloecus mandibularis Cr. 

 Pemphredon rileyi Fox. 

 Psen mixtus — Mimesa. 

 Stigmus cociuilletti— fuivipes. 

 fulvipes Fox. 



Figure 72. Diagram of the venation of 

 PemphiedonidEe. 



Trypoxylon californicum Saus. 



TRYPOXYLID/E 



tridentatun^ Pack. 



CRABRONID/E 



rifrons. 

 nigrjfrons— Ciypochrysis. 



packardii— Hypocrabro. 

 sexmaculatus— Xestocrabro. 

 spiniferus— Xylocrabro. 

 vicinus— Tiiyreopus. 

 ^^^^ ^ villosus— Protothyreopus. 



Figure 73. Diagram of the venation of Hypocrab^o packardii_^(Cr.)^ 



Crabronidee. 



Clyplochrysis gracilisimus (Pack.) 



nigrifrons (Cr.) 

 Crabro abdominalis — IVIoniaecera. 



asperatus — Protothryeopus. 



dilectus — Prototinryeopus. 



gracilisimus— Clytochrysus nig- 



Moniaecera abdominalis (Fox). 

 Protothryeopus dilectus (Cr.) 



villosus (Fox). 

 Thyreopus vicinus (Cr.) 

 Xestocrabro sexmaculatus (Say). 

 Xylocrabro spiniferus (Fox). 



VESPINA. . 



MUTILLID/C. 



The females of the Mutillidae are wingless and are often called woolly ants. 



