CHARLES SCHAEFFER. 263 



the middle, fovea; normal, suifuee smootb, shiniiin;, scarcely at all punctured, 

 except at sides near base. Elytra wider than long, humeri slightly oblique, 

 discal strise al)breviated at apex, at base two punctiform fovefe, surface finely not 

 densely punctate, clothed with very fine, decumbent sparse hairs. Abdomen as 

 wide as the elytra and shorter, carina; of the first segment separated at base by 

 slightly less than one-third tlie width of the segment, very short and only visible 

 at base. Anterior and" intermediate tibife normal, posterior tibiae compressed and 

 dilated gradually to middle, on the outer side a deep elongate, median excavation. 

 Length 1.5 mm. 



Texas (New Brauiifels ?). One male in collection Dietz. 



There will be no difficulty in distinguishing the male from any 

 species In our fauna by the medially dilated hind tibiae. The dila- 

 tation of the hind tibine of the males of albiouica and allies is simi- 

 lar, but always apical, and the autennse in these species have the 

 fifth, sixth and sometimes moi'e joints strongly modified, while these 

 joints in dilatipes difi^er relatively only slightly in length and width 

 from the usu'al form. 



C'accoplectus spiiiipes n. sp.— Brown, elytra reddish castaneous, palpi 

 paler. Head convex along the median line, sparsely clothed with moderately 

 long, semi-erect hairs, very densely pubescent at base and at sides between the 

 convex median part and the eyes, obscuring somewhat the large occipital fovese- 

 eyes large, basal ; antennae approximate, inserted beneath prominent, contiguous 

 tubercles, moderately densely pubescent, with coarse and somewhat stiff hairs, 

 first joint as wide as third, second much smaller, but scarcely narrower than the 

 first or any of the following joints, third triangularly dilated beneath, fourth 

 feebly so. fifth to tenth elongate and gradually increasing in length, but not in 

 width, eleventh slightly longer than the tenth, but not wider. Maxillary palpi 

 very small, apparently three jointed, first visible joint very small, second longer 

 and elongate, third as long as the two together, oval. Thorax at middle wider 

 than long, arcuately and somewhat broadly impressed near base, the impressions 

 densely pubescent at sides, at middle the pubescence forms a short longitudinal 

 line; surface very sparsely punctate; apex narrower than base, sides feebly sinu- 

 ate behind the middle. Elytra as long as wide at base, sides gradually and feebly 

 arcuately widening to apex with two approximate deeply impressed sutural and 

 two entire approximate, discal stride, the surface nearly smooth, except the nar- 

 row spaces between the two sutural and the two discal striae, which are finely 

 and sparsely punctate; base on each side with four rounded foveas, from three of 

 these the outer sutural and the two discal stria; terminate, the fourth is situated 

 near the prominent and elongate numeral callus; surface sparsely pubescent, ex- 

 cept the extreme apex, which has a densely pubescent transverse line. Abdo- 

 men shorter and slightly narrower than the elytra at apes, three segments visi- 

 ble from above, strongly margined at sides, the first two segments convex at 

 middle, sides arcuately narrowing to apex, sparsely clothed with fulvous hairs, 

 apical margin of each segment densely covered with short fulvous pubescence ; 

 ventral segments at apex and mesosternum at sides very densely pubescent, rest 

 very sparsely pubescent with longer hairs. Anterior and intermediate trochant- 



TEANS. AM. ENT. SOC. XXXII. AUGUST, 1906. 



