COLEOPTERA OF SOUTHERN CALIFORNIA. 163 



Chilometopon. C. abnorme, Palm Springs: helopioides, 

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

 doubt from the desert country to the southeast. 



Cnemodus. C. testaceus, Yuma; apparently scarce. 



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

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

 and Echo Mountain: induratus, Julian, San Diego 

 County. None of the species are at all common. 



Phlceodes. P. diabolicus is common and widely 

 dispersed in our district, occurring under bark and in 

 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. N. plicatus 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. lacerta, middle and northern regions. 

 Dacoderus. D. striaticeps,V ( d\\ecito, San Diego County. 



Araeoschizus. A. sulcicollis, Owens Valley: costipennis, 

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

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

 Owens Valley. 



Anepsius. A. delicatulus, 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. 



