COLEOPTERA OF SOUTHERN CALIFORNIA-. 117 



and so far as I know is found only at altitudes of 4000 

 feet and upward in the southern Sierras; it is found at 

 lower altitudes further north. There are in Mr. Ulke's 

 collection two examples of quercata said to have been 

 taken in California. 



Chrysobothris. C. octocola has been taken at Indio 

 and along the Colorado River, and is likely to be found 

 wherever there is mesquite, in which it breeds: debilis 

 also breeds in rnesquite (Van Dyke); I have taken it at 

 Palm Springs in April, and Dr. Van Dyke has found it 

 at Banning from May to July: femorata has been taken 

 in the San Bernardino Mountains by myself, and Dr. 

 Blaisdell reports finding both pupae and beetles in their 

 burrows in the bark of the trunk of the live-oak 

 (Quercus agrifolia), at San Diego. Dr. Blaisdell also 

 records the breeding of ' * semisculpta " (now placed 

 with contigua) from the half dead limbs of apple and 

 live-oak; San Diego. C. cuprascens is very abundant 

 on pines in the San Bernardino Mountains, in July and 

 August: speculifer has been taken at Pasadena, by Dr. 

 Fenyes, in May: californica is not common, on pines in 

 the San Bernardino Mountains, August; specimens 

 have been taken by me from their burrows in the 

 smaller branches of Pinus ponderosa (?); Dr. Blaisdell 

 reports this species as being very injurious to apple 

 trees at or near San Diego. C. mali is widely distrib- 

 uted and seemingly variable in habits. Horn says in 

 his monograph of the genus, "Specimens from the 

 Sacramento Valley were sent me by Mr. L. E. Rick- 

 seeker as infesting apple trees; others collected in 

 Owens Valley could not possibly have had that habit." 

 Dr. Van Dyke writes me that he has found it at 

 Banning on mesquite, and at Santa Monica Canon on 

 Ceanolhus; while I have myself taken it at Pomona and 



