292 Trans. Acad. JSci. of St. Louis. 



ately narroffei from base ta apex, nearly as wide a? the elytra. Male 

 with foar or six sabeqaal, "X[aidlstaot, aad elongate asperities near 

 the apex of the fifth tergitt i almost median half, the sixth with two 

 long, ilender and aclcalate porrect processes at tip^ separated by half 

 the width, the processes gradually and feebly curved Inwardly and to 

 some extent upwardly toward apex, the inclosed sinus feebly curved, 

 with an extremely feeble obtuse cusp at the middle ; fine and dense 

 asperities of the seventh tergite parted along the median line by a feebly 

 impressed glabrous channel; female not at hand. Length 1.4 mm.; 

 width 0.G5 mm. Utah (Provo),— EI. F. Wiekham •nteanan.sp. 



Form nearly similar but more parallel, with wider he id and relatively nar- 

 rower hind body; coloration dark, the head blackish, the prothorax but 

 slightly less dark, the antennae blackish-piceous, fiavate toward base; 

 elytra dirk fiivo-testaceous, infumata toward tbe aplc&l angles exter- 

 nally, the abdomen black, with the tip not very obviously paler, gradu- 

 ally paler and dark though clear rufo^testaceous in about basal half, the 

 legs pale; upper surface distinctly micro-reticulate throughout, the 

 elytra most coarsely aad faeblyso; head feebly and sparsely punctulate 

 laterally, the antenaae rather strongly incrassate distally, with the outer 

 joints distinctly traasverse; prothorax scarcely visibly wider than the 

 head, less transverse than in uteana, about one-half wider than long, 

 the sides parallel and not obviously converging posteriorly, feebly 

 round id, more strongly at apex, the base arcuate, the angles rather dis- 

 tinct but rounled, the four post-median punctures alone distinct; elytra 

 twj-flfths wider ani one-half longer than the prothorax, less transverse 

 thin la tUeana, fi lely puactate externally and aoically, subimpunctate 

 elsewhere, the fiue punctules very sparse but ag&;regated into a narrow 

 irregular series parallel and very close to each sutural bead; abdomen 

 sabparallel, slightly narrower than the elytra. Male unknown; /?n)aJ« 

 with the sixth tergite rounded behind. Length 1.6 mm.; width 0.68 

 mm. Wisconsin (Bayfield), — H. F. Wiekham gaadens n. sp. 



Form stouter and less parallel, nearly as in uleana, convex; color dark, 

 nearly as in uteana throughout, the entire upper surface almost simi- 

 larly reticulate; head deep black, with a very few sparsely scattered 

 coarse punctures at each side of the front; antennae short, strongly in- 

 crassate near the tip, the outer joints distinctly transverse, the tenth 

 much longer as well as wider than the ninth and less transverse, the 

 elereatn fully a^ Ion.; as the preceding two com'iined; prothorax two- 

 flfths wider than long, distinctly wider than the head, the side:^ broaJly 

 rounded anteriorly, thence just visibly converging and straighter to th« 

 base, tha ba^e arcuate and narrowly reflexed as usual, the four post- 

 median punctures strong ; elytra two-fifths wider and one-half longer than 

 the prothorax, puncture J nearly as in gaudens, the humeri widely exposed 

 at base; abdomen at base distinctly narrower than the elytra, thence 

 arcuately tapering to the tip. Male with two small oblique elliptical and 

 smoothly rounded, though slightly elevated tubercles, near the apex of 

 the fifth tergite and narrowly separated, with two more elongate and 

 feeble asperities external thereto, the sixth with two acutely pointed, 

 rather long porrect processes at tip, gradually curved slightly inward, 

 finely cariaate externally and separated by half the total width, the in- 



