98 CALIFORNIA ACADEMY OF SCIENCES. 



Brachypterus. B. troglodytes is occasionally numerous. 

 on nettles; Pasadena, Pomona; April, May. 



Cercus. G. sericans, plentiful on flowers of elder 

 (Sambucus glaucus) throughout Southern California and 

 the adjacent islands; very variable in size and color. 



Amartus. A. tinctus and A. rufipes are found on 

 flowers, in March; the former is the more common and 

 has been taken most often from poppies (Eschscholtzia) . 



Athonaeus. A. agavensis, San Diego and Los Angeles; 

 on flowers of Agave. 



Carpophilus. G. yucccv, Mojave desert, in unopened 

 flower heads of yucca (Crotch): hi'mi/>ff,ru8 t abundant: 

 dimidiatus, decipiens and discoideus, less common, in 

 decaying fruit in orchards; September to November: 

 pallipennis, plentiful in cactus blooms in all localities: 

 brachypterus , northern part of the State: niger, recorded 

 from "California" (Santa Cruz, Fuchs). 



Colastus. C. truncatus, frequent under bark of freshly 

 cut trees; most specimens are of the form limbalis. 



Conotelus. C. nt<'..rican.iix, southeastern California. 



Epuraea. One example (a female) of a species near 

 rufa was taken in the San Bernardino Mountains: ter- 

 minalis was plentiful in the same locality under rubbish 

 along streams: avara, one example, same locality: ovata, 

 not common at Pomona, in decomposing mushrooms: 

 February. According to Crotch, monogama occurs 

 " throughout the Sierra Nevada, in a small white globu- 

 lar fungus growing on dead pines, each fungus having 

 a pair of the species." E. ambigua and E. truncatella 

 are northern: a^tiva t I have taken on flowers at Lake 

 Tahoe in July. 



