126 



GUIDE TO CALIFORNIA INSECTS. 



cuspomiformis. 



echina — Diplolepis. 



held^ Full. 



kelloggi Full. 



multipunctata (Beut.) 



maculipennis (Gill.) 



oneratus — Synergus. 



pompiformis — Callirhytis . quer- 



quercus — Andricus californicus. 



quercusagrifolise — Callirhytis. 



quercusbattatus — Neuroterus. 



quercuscaliforniciis — Andricus. 



quercusflocci — Andricus 



quercuspomiformis — Callirhitis. 



quercussuttoni — Callirhytis. 

 rifoliae. 



saltatoiius — Neuroterus. 



suttoni — Call i rhytis. 



tenuicornis Bss. 



quercusechinus — Diplolepis e- 

 chinus. 



quercus — Andricus quercuscali- 

 fornicus. 



saltatorius — Neuroterus. 



suttoni — Callirhytis quercussut- 

 toni. 

 Diastrophus kincaidi Gil. 



corallina — Cynips. 

 Diplolepis clavula (Beut.) 



discus (Bas.) 



echina (O.S.) 

 douglasi (Ash.) 



dubiosa Full. 

 Disholcaspis chrysolepidus (Beut.) 



eldoradensis (Beut.) 

 Dryophanta clavula — Diplolepis. 



discus — Diplolepis. 



multipunctata — Cy n i ps. 

 Figites chincopin — Andricus. 

 Holcaspis canescens — Trichoteras. 



chrysolepidis — Disholcaspis. 



corallina — Cynips. 



douglasi — Diplolepis. 



eldoradensis — Disholcaspis. 



maculipennis — Cy n i ps. 



truckeensls — Disholcaspis. 

 Lytorhodites arefactus Ash. 

 Neuroterus fragilis Bas. 



quercusbattatus (Fitch.) 



saltatorius (Edw.) 



piceus Full. 



terminalis Hartig. 

 Periclistus californicui Ash. 



obliquus Prov. 



brevicornis Asi.. 



flavus Kief. 

 Rhodites bicolor (Har.) 



politus Ash. 

 Synurgus agrifoliae Ash. 



dimorphus O.S. 



dubicsus Full. 



maculatus Full. 



multiplicatus Ful. 



niger Ful. 



ochreus Ful. 



oneratus (Harr.) 



punctatus Gill. 



splendidulus Ful. 



varicolor Ful. 

 Trichoteras coquilletti Ash. 

 ovalis Lee. 



nanus Lee. 



koebelei Oil. 



SIRICINA. 



These insects, known as horn-tails, burrow as larvae into the trunks of trees 

 thus injuring the lumber. The common name of the group .refers to a pe- 

 culiar process at the end of the abdomen in larva and pupa as well as in the 

 adult. 



CEPHID/E. 

 Cephus clavatus (Nort.) Phylloecus clavatus— Cephus. 



rufiventris Cr. 



ORYSSIDyC. 



Oryssus thoracicus Ash. 



