NORTH AMERICAN COLEOPTEKA. 245) 



In addition to tlie sexual characters already noted in the antennte, 

 the males have the first joint of the anterior tarsi more dilated and 

 the last ventral has a small, but deej) triangular impression near the 

 apex. 



Occurs fi'om Massachusetts to Florida, westward to jMissouri and 

 Iowa. 



O. iiieliiia II. sp. — Elongate, parallel, pale rufotestaceoiis, shininof. Front 

 convex, smooth, the carina obtuse, tubercles distinct. Thora.x about one-half 

 wider than long, widest in front of middle, sides arcuate, slightly oblique in front 

 of base, margin entire, not crenate ; disc convex, punctuies rather coarse, sparsely 

 irregularly placed, the ante-basal impression well defined and deep, extending 

 from side to side. Elytra wider at base than the thorax, humeri rounded, um- 

 bone moderate, disc convex, with feebly impressed strise of moderate punctures 

 not closely placed, intervals flat, smooth. Presternum and pleurse smooth. 

 Metasternum and abdomen brown or piceous, the latter sparsely punctate. Legs 

 pale. Length .06 — .08 inch. ; 1..5 — 2 mm. 



Unfortunately, the males before me are dej)rived of antenna^. 

 Those of the female are more slender than in copcdina and gradually 

 stouter to tip. The males have the fii'st joint of the anterior tarsi 

 dilated and an impression at the apex of the last ventral segment. 

 In some specimens the body beneath is entirely pale like the upper 

 surfece. 



Occurs in Kansas and Texas. 



liKPTOTRIX n. g. 



Head triangularly oval, not deeply inserted in the thorax. Eyes 

 free, slightly longer than wide, coarsely granulated. Antenme slen- 

 der, slightly thicker externally, third joint shorter than second. 

 Front vertical, the carina short and obtuse, tubercles small and in- 

 distinct. Clypeus truncate, labrum small, arcuate in front. Maxil- 

 lary palpi moderate in length, the terminal joint short, conical. 

 Thorax truncate at apex and base, the angles distinct, the anterior 

 slightly prominent externally, lateral margin distinctly crenate, disc 

 with an ante-basal and moderately deep impression, which at each 

 end bends abruptly toward the base. Elytra wider at base than the 

 thorax, humeri distinct, disc striato-puuctate, the intervals with short 

 semi-erect hairs as in Epitrix. Prosternum rather wide between the 

 coxce, apex truncate, the coxal cavities closed. Legs moderate in 

 length, the posterior thighs rather feebly dilated, tibite slender, not 

 grooved externally, the posterior with a minute spur. Tarsi mod- 

 erate in length, claws appendiculate at base. 



TRANS. AM. ENT. SOC. XVI. (32) .JUNE, 1889. 



