THE ANT-LIKE FLOWER BEETLES. 1337 



VII. DILANDIUS Casey. 1895. 



Of this genus its author says: " Peculiar in having the acute 

 side pieces of the prosternum behind the coxa? more inwardly pro- 

 longed than in Anthicits, so that they coalesce at or near the middle, 

 thus closing the coxal cavities. The mesosternum extends in one 

 extremely large unbroken polished plate from side to side of the 

 body; its lateral edges bearing a sparse fringe of long stiff, bristly 

 seta?. " Two species are known, one of which was described from 

 southern Illinois and has been taken by Dury near Cincinnati. 



2482 ( ). DiLANDirs MYRMECOPS Casey, Ann. N. Y. Acad. Sci., VIII, 

 1895, 043. 



Very slender and elongate. Black, densely and minutely pubescent ; 

 basal half of antenna? and legs paler; elytra with a narrow basal crossbar 

 and a broader one at middle light brown, the hind one bordered in front 

 by a narrow oblique bar of coarser, silvery white pubescence. Head rounded 

 at base, coarsely and densely punctate. Antenna? one-half the length of 

 body, the third joint longer than fourth. Thorax slightly narrower than 

 head, much longer than wide, deeply constricted at basal third, the front 

 lobe globular ; surface, as well as that of elytra, minutely and densely 

 punctate. Elytra much longer than head and thorax, aud twice as wide 

 as latter ; disk with a deep cross-impression near base. Length 2.S mm. 



Posey County; rare. April 7. One specimen from beneath 

 board in woodland pasture. Dury's specimen was taken from be- 

 neath a flat stone on November 17, so that it probably hibernates as 

 imago. 



VIII. TOMODERUS Laf . 1848. ( Gr., ' ' cut + neck. ' ' ) 



Robust, convex species, with antenna 1 stout, bead-like, thickened 

 and somewhat perfoliate near tips ; femora stout, club-shaped ; eyas 

 rather small, somewhat coarsely granulated; next to last joint of 

 tarsi bilobed. 



*2483 (7933). TOMODERUS CONSTRICTUS Say, Journ. 



Phil. Acad. Nat. Sci., V, 1820, 



244; ibid. II, 309. 



Dark reddish-brown to piceous, shining, sparse- 

 ly pubescent ; basal portion of elytra reddish-brown, 

 gradually merging into piceous; antenna? dark red- 

 dish-brown, legs paler. Thorax strongly constricted 

 behind the middle, the front lobe subglobose, much 

 the larger, smooth or nearly so. Elytra!" punctures 

 very fine and irregularly placed on apical half; 

 coarser and in more or less distinct rows on paler 

 basal portion. Length 2.5-3 mm. (Fig. 585.) 



Southern half of State, common ; not taken 



