828 famiijY xii. — lami'yrid.t;. 



sometimes extemliug iicnrly their lull leii,i;IIi. rarely wIkiIIv laelviiig; lias(< 

 of femora and greater jiart of ahdoiiieii yellow. Sides of thorax narrowly 

 margined. Length 8-]l mm. 



Throug'hoiit the ^^tate, eoininnn \n the southern counties; much 

 less so in tlie iioi'thern portion. -Inne i^-Jnly 28. Occurs by 

 thousands on tiie flowers of tlic iiiHleii; also ahuiKhuit on those of 

 ^v^ld hydranji'ea. ./(M'sey tea and otliei' sl!rn])s. 



Tribe III. TELEPIIORINI. 



Tlead ]>nt sliohtly prolonged before the eyes; maxilbce moderate 

 in size, their pal|)i I'ather long' and of variable form; front coxa? 

 (•ontiguons; ])i'osterimni distinct in fi-ont of coxa': middle coxfe con- 

 tiguous; mesosternnin liorn-lil\e in texture. Eight of the nine 

 recognized genera ai'e kno\vn to l)e represented in the State. 



KEY TO INDIANA GENEKA OF TELEPIIORINI. 



a. Elytra entirely covering the wings. 



h. Thora.x truncate in front; head entirely exposed; gnlar sutures con- 

 fluent. XVIII. PODABRUS. 

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

 arate, 

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

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



XIX. SiLIS. 

 (Id. Hind angles of thorax rounded. 



c. Head moderately long: sides of thorax not notched. 



XX. Telephori's. 



ce. Head short and broad: sides of thorax in male nicked at the 



middle. XXI. Polemius. 



cr: Last joint of maxillary iialpi suboval, oblicpiely truncate; sides of 



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



tenn:e strongly serrate. XXII. Ditemnus. 



(Id. Elytra abbreviated; wings exposed; gular sutiu-es contluent. 



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

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

 broad tooth near base. XXIII. Trypherus. 



ff. Maxillary palpi with the last joint oval, pointed; side jiieces of meta- 

 thorax narrow ; claws simple. 

 (/. Mandibles toothed; head wide, narrowed behind. 



XXIV. Maltiiini's. 

 .'///. Mandibles simple; head not iiai-rowed behind. 



XXV. Malthoues. 



XVTTT. PoDABRi'S Fisch. 1S;^9. f dr., " foot i delicate.") 



Head proloiiged and nari-owcd l)ehind. the eyes, so as to form a 

 distinct neck which is not covered by the thorax; the latter nearly 



