148 



GUIDE TO CALIFORNIA INSECTS. 



Psilopodinus pilicornis Aid. 

 Sympycus cuprinus Whe. 

 Synarthrus affine — Syntormon. 



stratsegus — i."yntormon. 

 Scellus vigil O.S. 



Syntormon affine Whe. 



angustipennis Loew. 



strataegus Whe. 

 Tachytrechus sanus O.S. 



ASILID/E. 



The flies of this family are called robber flies. They feed very ravenously 

 on other insects and the larvge are also predaceous on other larvae, being 

 found in rotten wood or under the bark of logs. 



Ablantus fulvipes Coq. 

 mimus O.S. 

 trifarius Loew. 



Andrenostoma fulvicauda- 



-Nusa. 



Figure 156 Asilid fly. 



Anisopogon ludius — Heteropogon. 



senilis — Heteropogon. 



vespoides — Heteropogon. 

 Asilus abdominalis — Osprioceous. 

 Blacodes clausa — Cophura. 



cristatus — Cophura. 



trunca — Cophura. 

 Chrysoceria pictltarsus (Big.) 

 Clavator sabulonum — Lestomyia. 

 Cophura clausa (Coq.) 



cristata (Coq.) 



fallei Back. 



truncata (Coq.) 

 Cyrtopogon aurifer O.S. 



callipedilus Loew. 



cerusattus O.S. 



cretaceus O.S. 



cymbalistata O.S. 



evidens O.S. 



gibber Big. 



leucozonus Loe •'. 



longimanis Loew. 



montanus Loew. 



nebulo O.S. 



nigricolor ooq. 



nugator O.S. 



positivus O.S. 



pi inceps O.S. 



rattus O.S. 



rejectus O.S. 



sudator O.S. 

 Dasyllis astur O.S. 

 Dasypogon argenteus — Stictopogon. 



calif ornise — Stictopogon. 



quadrinotatus Big. 



trifasciatus — Stictopogon. 

 Deromyia pulchra Bac. 

 Dicolonus simplex Loew. 

 • Dioctria albira Walk. 



parvula Coq. 



pusio O.S. 



resplendens Loew. 



rubida Coq. 



vera Back. 

 Erax cinerascens Bel. 



furax — cinerascens. 

 Habropogon bilineatus Wil. 



ludens (Coq.) 



senilis — Pycnopogon. 



vespoides Big. 

 Heteropogon ludius (Coq.) 



senilis (Big.) 



vespoides (Big.) 

 Holopogon appendiculatus — Cyrtopo- 

 gon giober. 



nitidiventris Big. 



umbrinus Back. 

 Lampria felis O.S. 

 Laparus pictitarsus — Chrysoceria. 

 Laphria carbonarius Wil. 



anthrax — carbonarius. 



franciscanus Big. 



fulvicauda — Nusa. 



rapax O.S. 



ventralis Wil. 



