THE SPIIiVIXO Pr'XOfS BEETLES. 



495 



III. ToxiDiuii Lee. I860, (ftr.. "a bow + small.") 



Small black or brownish beetles having the body compressed and 

 narrowed behind the middle ; scutellum absent ; hind coxae narrowly 

 separated. One of the two species oeciu's in the State. 

 949 (29SS). ToxiDiUM comphessum Ziuiui., Trnus. Amer. Ent Soe., II, 

 lsi;9, 251. 



Diirk reilclisli-brown, highly polished ; an- 

 tennfe. legs and tip of abdomen paler. An- 

 tennffi slender, about as long as head and 

 thorax. Side margin of thorax prominent 

 and cariuate in front, but rapidly deflexed 

 and pressed against the sides just behind 

 the middle; hind angles obtusely rounded, 

 il eta sternum coarsely and deeply punc- 

 / "i tured throughout. Length 1.4-1.7 mm. (Fig. 



Fig. 176. X 15. (Original.) ]70.J 



Throughout the State ; frequent. ^larch 17-No- \ \ ./ / 

 vember 14. Probably hibernates. Taken by sifting 

 in late autumn and early spring. 



IV. Sc.\PHisfoiA Leach. 1812. (Gr., a bowl + 

 body.") 



Species resembling those of Baoccra. but having the . ^. 



third antennal ioint short and narrowed on basal half, soma wirwram. x 



'-* ' 7. A European spe- 



and the scutellum always present but minute. (Pig. "'^- (After sharp.) 

 177.) They are of small size and occur beneath bark, in fungi, and 

 can also be taken by sifting' in late autumn or early spring. The 

 following species have been taken or probabl.v occur in Indiana: 



KEY TO INDIANA SPECIES OF SCAPHISOMA. 



a. Metasternum strongly but sparsely punctate over most of its surface; 

 length 1.7 mm. kepanda. 



aa. Metasternum almcst smooth or only punctured over part of its area. 

 6. Larger species, never much under 2.3 mm. in length. 



c. Form elongate-oval ; elytra finely, rather closel.v and uniformly 



punctate: the punctures twice as numerous as in ronvexa. 



950. PUNCTULATA. 



cc. Form broadly oval ; elytra distinctly but less densely punctate : 

 luetasleinum between the middle and hind coxie c-oarsely and 

 strongly punctate. 951. convexa. 



66. Smaller sixecics. seldom more than 1.7 mm. in length. 



d. Elj-tra not paler at apex, except feebly and gradually from semi- 



trausparent.v. 

 r. El.ytra simrsely liut strongly punctate; length 1.8 mm. 



952. StTUKAUS. 



I :;2— 2:1402] 



