COLEOPTERA OF SOUTHERN CALIFORNIA. 245 



58. Malachius acutipennis, sp, nov. 



Moderately slender; front margin of labrum and epistoma, and under 

 side of two basal joints of antennae, yellow; head black, prothorax entirely 

 reddish yellow, or with a small median black spot extending from base to 

 middle; elytra black with reddish bronze lustre, sutural angles reddish 

 yellow. Antennfe strongly serrate and reaching the middle of the elytra 

 in the male, a little shorter and much less strongly serrate in the female. 

 Head and prothorax polished, impunctate; prothorax transversely oval. 

 Elytra nearly parallel, feebly scabrous and punctulate, appendiculate, the 

 sutural angle spiniform in the male; wider behind, the sutural angle 

 broadly rounded in the female. Legs and lower surface, except prothorax, 

 black, without well defined metallic lustre; hind tibife pale in the male. 



Length, 4-5 mm. 



Specimens taken at Pomona. 



The form of the ejytra and the appendix in the male 

 is not very different from that in M. spini2:)ennis, to 

 which this species is evidently related; the color of the 

 elytra, however, is bluish in M. sjnnipennis, the pro- 

 thorax is broadly black at middle from base to apex, and 

 the male antennse are pectinate. 



59. Malachius directus, sp. nov. 



Not very slender; greenish black; ^Drothorax with sides broadly yellow; 

 apex of first, and entire second joint of antenure, yellow on the under side. 

 Head and prothorax i^olished, subimpunctate; elytra scabrous, less shin- 

 ing. Antennfe in the male reaching or slightly passing the middle of the 

 elytra, rather strongly pectinate from the fifth joint; the third joint trian- 

 gular, as wide as long; fourth with a shorter branch than those of the 

 following joints. In the female the antennae scarcely pass the humeri, 

 and are moderately serrate, the widest joints a little longer than wide. 

 Prothorax transversely oval. Elytra appendiculate in the male, the ap- 

 pendix consisting merely of a single, somewhat crumpled plate, which is 

 but slightly inferior; the tip strongly rounded and more or less reflexed. 



Length, 3.5 mm. 



Found in the Sierras of Los Angeles and San Ber- 

 nardino counties. 



In the specimens which are to be regarded as types, 

 the elytra are not tipped with yellow; other specimens 



