COLEOPTERA OF SOUTHERN CALIFORNIA. 163 



Chilometopon. — Cabnorme, Palm Springs: helopioides, 

 recorded by Horn from "Cal." simply, but without 

 doubt from the desert country to the southeast. 



Cnemodus. — G. testaceus, Yuma; apparently scarce. 



Zopherus. — Z. tristis, San Bernardino County: grani- 

 collis, San Bernardino Mountains, July; Pomona, May, 

 and Echo Mountain: indwratiLs, Julian, San Diego 

 County. None of the species are at all common. 



Phlceodes. — P. diaboliGus is common and widely 

 dispersed in our district, occurring under bark and m 

 decaying stumps, especially of the live-oak. According 

 to Blaisdell, the adult insect feeds upon a large and 

 tough species of fungus growing upon the oak. 



Noserus. — iV. jjlicatus is found under the bark of dead 

 trees, at Pomona and at Julian, San Diego County 

 (Blaisdell); scarce. 



Phellopsis. — P. obcordata var. porcata, mountain re- 

 gions from Lake Tahoe to Shasta. 



Usechus. — U. laceria, middle and northern regions. 



Dacoderus. — D. striaticeps, YaUecito, San Diego County. 



Araeoschizus. — A. sulcicollis, Owens Valley: costipennis, 

 Vallecito (Le Conte); one example under bark, Indio, 

 December; Palm Springs, April (Fenyes): urmatus, 

 Owens Valley. 



Anepsius. — A. delicatidus, Pomona and Palm Springs; 

 found under stones, in dry places; rare west of the 

 mountains, more common on the desert; according to 

 Blaisdell the species is not uncommon in the maritime 

 portions of San Diego County. 



Typhlusechus. — T. singularis is a minute, blind species 

 of which two specimens were found by Koebele in Los 

 Angeles County. 



