H. C. FALL 349 



without ocular lines; front claws of male not enlarged. Ave. 

 length 2.9 mm. Colorado and Kansas. 



Head finely and rather closely punctate; eyes separatccl in the male by a 

 distance subequal to the length of the basal two joints of the antennae or to 

 the vertical width of the upper lobe of the eye; in the female by fully twice 

 the length of the basal joint. Antennae moderate, half as long as the body in 

 the female, basal two joints with more or less distinct black spots above, outer 

 joints blackish. 



Prothorax densely punctate, the side margins smooth as a rule, though usually 

 very narrowly so; the M i-epresented by the three basal spots. 



Elytra excessively minutely wrinkled, lustre dull, punctures more or less 

 completely confused in a rather large baso-sutural triangle, the striae fairly 

 distinct and moderately impressed posterioi'ly and at sides. 



Pygidium narrowly blackish at base, the median spur of the blackish border 

 small, the lateral spots faint or obsolete; body beneath blackish, the abdomen 

 more or less yellow; legs j-ellow with faint pale brown femoral clouds. 



Length 2.7 to 3.1. mm.; width 1.4 to 1.65 mm. 



Distribution. — Colorado: (type 9) withovit definite locality. (Horn and 

 Nat. Mus. Colls.). Kansas: Hamilton Co. (Snow); Meade, June 12 (Knaus). 



One specimen (Horn Coll.) is labeled "Cal," possibly in error for Col. 



31. Pachybrachys mitis new species 



Dull yellow, minutely alutaceous, not shining, brown punctate, 

 cephalic spots well developed, darker brown; prothoracic spots 

 rather small but diffuse, paler brown; ocular lines wanting; front 

 claws of male not enlarged. Ave. length 2.6 mm. Texas. 



Head moderately punctate, closer as usual in the darker areas. Ej-es 

 separated in the male by slighth^ less than twice the length of the basal anten- 

 nal joint, or by a distance slightly greater than the vertical width of the upper 

 lobe of the eye; m the female by a little more than twice the length of the basal 

 joint of the antennae. .Antennae three-fourths as long as the body in the 

 male, tenth joint more than twice as long as wide, basal joints i)ale, the first 

 two with dark spots on the upper side, outer joints blackish. 



Prothorax moderately large in the male, ahnost as wide as the elytra, widest 

 at basal fourth or fifth, distinctly and somewhat arcuately narrowed anteri- 

 orly; smaller in the female with the sides less rounded behind; jiunct nation 

 close and fairly even, side margins more or less narrowly smooth. 



Elytra cylindrical, sides parallel, scarcely sinuate behind the humeri, with- 

 out spots, sutural edge darker, and sometimes also the humeral innbo; punc- 

 tures arranged in lines throughout except in a small scut ellar i\roii, the striae 

 obviously impressed, brown from the color of the close set punctures, the 

 middle ones — especially five and six — more or less broken and irr>'gular at and 

 in front of the middle; submarginal stria with a strong sigmoiil dislocation at 

 base; marginal intersjjace impunctate; shield distinct. 



TRANS. AM. EXT. SOC, XLI. 



