S28 PA.MIL.Y XL. I>AAiP'i'EII>.K. 



soinetiiues extendiug ueaiiy their full length, rarely wholly lacklug; liasn 

 of femora and greater part "l abdomen yellow. Sides of thorax narrowly 

 margined. Length 8-11 mm. 



Throughout the State, common in the southern counties; much 

 less so in the northern portion. June .3-July 28. Occurs by 

 thousands on the flowers of the linden; also abundant on those of 

 wild hydrangea. Jersey tea and other shrubs. 



Tribe III. TELEPHORIXI. 



Head but slightly prolonged before the eyes; maxillse moderate 

 in size, their palpi rather long and of variable form; front coxEe 

 contiguous; prostemum distinct in frr.nt of eox;e; middle coxae con- 

 tiguous: iiiesf)sternuTn horn-like in te.xture. Eight of the nine 

 recognized genera are known to be represented in the State. 



KEY TO INDIANA GEXEK.V OF TELEPHOBINI. 



a. Elytra entirely covering the wings. 



6. Thorax truncate in front; head entirely exposed; gular sutures con- 

 fluent. XVIII. PODABBUS. 

 66. Thorax rounded in front ; head partly covered ; gular sutures sep- 

 arate. 

 c. Last joint of maxillary palpi dilated, hatchet-shaped. 

 d. Hind angles of thorax of male notched ; head short and broad. 



XIX. SiLis. 

 dd. Hind angles of thorax rounded. 



e. Head moderately long ; sides of thorax not notched. 



XX. Telephobus. 



ee. Head short ajid broad: sides of thorax in male nicked at the 



Jniddle- XXI. Polemics. 



cc. Last joint of maxillary palpi suboval, obliquely truncate ; sides of 



thorax in male distinctly notched at the middle and behind; au- 



tennfe strongly serrate. XXII. Ditemxus. 



(Id. Elytra abbreviated; wings exposed; gular sutuies confluent 



f. Maxillary palpi with the last joint elongate, hatchet-shaped; side 

 pieces of metathorax wide in front, strongly triangular: claws with 

 broad tooth near base. XXIIl. Tryphebus. 



ff. Maxillary palpi with the last joint ..val. poiute<l : side j.ieces of meta- 

 thorax narrf.w : claws simple. 

 (/. JIaiKliblcs toothed: head wide, narrowed behind. 



XXIV. JIaltiiinus. 

 .'///. Mandibles simple; hcail not narrowed licliind. 



XXV. .Malthouks. 



XVIII. PoD.VBnrs Fisch. 1S:^0. (O., "fo„t - delicate.") 

 Head prolonged M,d narrowed hehin.l the eves, s,, as to form a 

 distinct n<-ck which is not covered by the thorax : the latter nearlv 



