CEDEMERID^E OF BOREAL AMERICA. 419 



Oxacis subfusca n. sp. 



Slender, brownish, testaceous, clothed with very short, 

 not densely placed pubescence. Antennas pale. Head 

 coarsely and moderately closely punctate. Thorax longer 

 than wide, sides moderately strongly arcuate in front, the 

 posterior half parallel to base, surface regular,* densely, 

 not coarsely punctate, sometimes with a smooth median 

 line, color brownish testaceous, the sides often darker. 

 Elytra densely not coarsely punctate without trace of 

 costae, color pale brown with a faint trace of a darker 

 vitta. Body beneath darker than above, with longer 

 pubescence. Legs pale. Length .30-. 32 inch.; 7.5-8 

 mm. 



This species resembles/>-ffgy7/.s of the group with cultri- 

 form palpi, but is somewhat darker in color and more 

 opaque. 



Occurs in southern Arizona. 



Oxacis lucana Lee. (Probosca), New Species, 1866, p. 

 167. 



Variable in color from piceous to testaceous, with inter- 

 mediate forms with vittate elytra. Antennae always pale. 

 Head moderately coarsely not densely punctate. Thorax 

 longer than wide, sides feebly arcuate in front, posteriorly 

 gradually convergent, disc slightly irregular, surface 

 densely punctate. Elytra moderately densely punctate, 

 without trace of costae. Body beneath variable in color. 

 Leg always pale. Length .25-. 32 inch.; 6.5-8 mm. 



The pubescence of the surface is always short, gray, 

 and sparse. The terminal joint of the maxillary palpus 

 cultriform. The claws acutely toothed. The color is 

 very variable. The thorax has more or less distinctly a 

 median piceous vitta and each side a spot. The elytra 

 may be entirely piceous or testaceous, but specimens 

 occur with distinct traces of vittae. 



