COLEOPTERA OF SOUTHERN CALIFORNIA. 149 



Anthophilax. A. tenebrosus, from the southeastern 

 region. 



Acmaeops. A. tumida is very rare in Southern Cali- 

 fornia; I secured a single specimen on flowers at Pasa- 

 dena, in April: falsa, Pomona, May; Pasadena, May, 

 from between leaves of Yucca ivhipplei (Daggett); Dr. 

 Van Dyke finds it in June on flowers of wild holly. 

 The following species of the genus are found in the mid- 

 dle and northern portions of the State: subcenea, 

 pinguis, viola, longicornis, vincta, basalis, militaris, sub- 

 pilosa, variipes, pratensis; the latter from Mt. Whitney, 

 elevation 8,000 to 9,000 feet (Daggett). 



Strangalia. 8. delicata, San Bernardino, Pomona, 

 Pasadena, late May to July, on various flowers; not 

 common. 



Leptura. L. molybdica is not rare on flowers of 

 Ceanothus, Pasadena in April; all specimens found 

 here have the red humeral spot: Iceta, not rare on 

 flowers in the foot-hills of the Sierras, at Pomona, 

 Pasadena, etc., in June; breeds in dead Quercus agrifolia 

 (Rivers): tribalteata, Mt. Wilson, Los Angeles County; 

 uncommon: coquilletti, Los Angeles County: instabilis, 

 rare, Pomona, June, in the foot-hills; var. convexa, Los 

 Angeles (Fuchs): sexspilota, abundant usually on the 

 flowers of greasewood in May and June throughout 

 Southern California: pernigra, Mt. Wilson, Los Angeles 

 County (Coquillett): crassipes, not common in the San 

 Bernardino Mountains, 5,000 feet elevation, in August; 

 it has been bred from decayed wood of Umbellularia 

 calif ornica (Rivers): valida, Bear Valley, San Bernar- 

 dino Mountains; very scarce. Aside from the above, 

 there are numerous species occurring within the State, 



