THE SH0ET-WIX6ED SCATEXGER BEETLES. ^ 403 



joint twice the length of fourth. Thoras snbcylindrical, widest one-third 

 from base; disli finely, evenly and densely punctate and with a narrow, 

 deep median impression just behind the middle. Elytra at base as wide 

 as head, slightly longer than wide, coarsely and regularly punctate. Length 

 4.4-5 mm. 



Floyd County : rare. October 9. Taken along the Ohio River : 

 also by Dnrs' at Cincinnati. 



779 (2304). Stexus colon Say, Trans. Amer. Phil. Soc. IV, 1S34. 45S : 

 ibid. II, 574. 

 Elongate, rather slender. Black, shining; under surface piceous; ely- 

 tra each with a sublunate or triangular reddish-yellow spot behind the mid- 

 dle; legs dull yellow, the femora fuscous on apical third. Head slightly 

 more than twice as wide as long, deeply excavated and densely punctured 

 between the eyes: antennse not reaching middle of thorax, the third joint 

 one-half longer than fourth. Thorax widest at middle, riensely and rather 

 coarsely punctate and with a short, narrow and deep impression just be- 

 hind the middle. Eh-tra at base much narrower than head, densely and 

 coarsely punctate. Length 3.6— i mm. 



Described from Posfy County. Known from ^Michigan, Vir- 

 ginia and other Southern States. Xot represented in the coUeotion 

 at hand. 



'S^. semicolon Lee., has the same range as the preceding and 

 doubtless occurs sparingly in Indiana. 



Division B. 



In addition to the complete spiral or whorl of united punctures, 

 the members of this Division usually have single, more or less iso- 

 lated punctures on the other parts of the ehirra. Four species be- 

 longing here may occur in the State, though but three have been 

 taken. 



KET TO l^"raANA SPECIES OF DmSIOX B. 



a. Legs black beneath. 



6. El.vtra (along the suture i distinctly longer than thorax; head as wide 

 as the elytra at base, deeply excavated between the eyes. 



7S0. .JUNO. 

 &?). Elytra rather shorter than thorax, the latter very robust : body de- 

 pressed. AUSTIXI. 

 (((7. r.eu^s not black beneath; elytra slightly longer than thorax, the latter 

 widest at or just behind the middle. 

 c. Jledian impression of thorax beginning before the middle, narrow, 

 deep, conspicuous : elytra deeply, closely and Irregularly channeled ; 

 fifth ventral of male with a rounded notch at apex. 



781. FEMOBATDS. 



