COLEOPTERA OF BAJA CALIFORNIA. 4O9 



(Trans. Am. Ent. Soc, xvi, 1889, p. 167), the Oxygonae 

 will take place near the Systense, from which they wdll 

 be separated by the longer first ventral segment. 

 Doubtless the genus is allied to Cyrsylus Jacoby. 



Dysphenges elongatulus n. sp. Plate viii, fig. 8. 



Form of an elongate Loiigitarsiis, color variable from 

 rufo-testaceous to piceous, moderately shining, glabrous. 

 Head sparsely punctate, indistinctly alutaceous. Thorax 

 a little wider than long, sides and base arcuate, apex trun- 

 cate, the angles dentiform and setigerous, disc convex 

 coarsely not closelv punctate, punctures finer in front. 

 Elytra wider than the thorax, slightly wider behind, apices 

 truncate and rounded, disc convex, striato-punctate, the 

 punctures closely placed, intervals flat and smooth. Epi- 

 pleurte coarsely irregularly punctate. Body beneath very 

 sparsel}^ punctate the abdomen transversely alutaceous. 

 Length, .08-. 10 inch; 2-2.5 mm. 



No sexual differences have been observed in the spec- 

 imens examined. One specimen is entirely piceous, ex- 

 cepting the knees, tarsi and base of the antennas. The 

 rufo-testaceous specimens have a piceous metasternum 

 and abdomen. 



El Taste. 



LONGITARSUS BICOLOR n. Sp. 



Oblong, piceous black, shining, head and thorax ru- 

 fescent, body apterous. Antenna? pale at base, darker 

 externally, joints 2-3-4 about equal in length. Head 

 smooth. Thorax broader than long, sides irregularly 

 arcuate, disc moderately convex, sparsely indistinctly 

 punctate, finely alutaceous, scutellum pale. Elytra ob- 

 long oval, humeri obliterated, punctate, not coarsely nor 

 closely, surface shining. Body beneath piceous black, 



