962 FAMILY L. 



obsolete. Metastenium closely punctate, tbe hair sparse and long. Tarsal 

 claws with a strong median tooth. Male with antennal club a little shorter 

 than stem; the next to last ventral segment feebly and broadly emarginate, 

 the last one more deeply emarginate and abruptly concave ; both roughened 

 or granulate in front of the emarginations. Length 14^18 mm. (Plate I, 

 fig. 377.) 



Clark County ; rare. July 22. A species of southern range. 



L. glaherrima Blanch., length 13-15 mm., is known from Illinois, 

 New York and southward. 



ISll (5744). Lachnostbena longitaksjs Say, Journ. Phil. Acad. Nat. Sci., 

 Ill, 1824, 241 ; ibid. II, 141. 

 Elongate, slender, subcylindrical. Pale straw yellow; front of head 

 piceous. Clypeus concave, coarsely and very sparsely punctured; front 

 coarsely and densely punctured. Thorax short, strongly curved in front 

 of middle, margin entire, surface somewhat irregular, rather coarsely, shal- 

 lowly and closely punctate. Elytra coarsely and shallowly punctured, the 

 submarginal costa rather well defined. Metasternum closely but indistinctly 

 punctate, the hairs rather long, sparse. Male with antennal club a little 

 longer than stem ; abdomen slightly flattened at middle, last segment irregu- 

 larly concave. Length 10.5-13 mm. (Plate I, fig. 379.) 



Vigo County; rare. July 28. One specimen in Wolcott collec- 

 tion taken at light in the city of Torre Haute. A western form 

 whose range is given as Illinois to Kansas. Montana and southward. 



Gnoup B. 



The essential eharactei-s of this group are the sinuation of the 

 apex of the hind tibiffi, together with the more or less emarginate 

 clypeus and the 10-jointed antenna?. The inner spur of the hind 

 tibiffi is long, fixed and usually more or less curved or contorted. 

 Three species ascribed to the i^roup have been taken in the State. 



KEY TO INDIANA SPECIES OP GKOUP B. 



a. Form slender, subcylindrical; color pale reddish- or brownish-yellow: 

 tooth of tarsal claws small, placed slightly below the middle. 



1812. GEACIUS. 



aa. Form oblong-oval, more or less robust; color reddish-yellow to dark 

 brown ; tooth of claws strong. 

 &. Inner spur of hind tibire of male curved at middU- and angularly 

 bent at tip; color iiale chestnut brown; length 12-16 mm. 



1813. OIBBOSA. 



m. Inner spur not angularly bent, usually nearly as long as the outer 

 spur; color dark reddish or i-hestnut brown, the surface more or 

 less hoary or pruinose. 1814. prunina. 



