■ y2^ FAMITA- X. PSET.APHIDiE. 



r 



V,-2-2 ( T.li)4). IlATUisuDES XIGHICANS Lec, P.cist. Joui'ii. Nat. Hist, VI. 1849, 00. 

 ISlaclc. sbiuiiig, sparsely puliesoeiit ; autemiine, palpi and lej;s retldisli. 

 Head as loug as broad, front punctate ; vertex convex, cariuate. Autenme 

 with fourth joint half as ^^■ide and about as long as third; fifth to eighth 

 subequal, as wide as loug; ninth longer, rounded; tenth nearly twice as 

 thiclv as ninth, globose; eleventh one-half longer, ovate, acute. Thorax 

 with median sulcus very dcisp, the basal tubercles acute; fovene on sides of 

 base pubescent. Elytra with humeri subacute, diseal lines reaching middle, 

 r^cugtli 2 mm. 



Lake County; rare .Mhv 1. 



11. sirialus Tjpc, of whicli simplr.r Lee. is perhaps a synonym, is 

 said to occur from AFassachnsetts 1o the ^Missouri River. 



Tribe lU. EUPLECTIXI. 



In this tribe the form is more depressed and linear than in those 

 preceding, thus approaching the Staphyliniche. They have the an- 

 1enn;e widely separated at liase; ahdonien distinctly margined, with 

 six veidral segments: hind co.xre" conical, promiin'nt a,nd contiguous. 

 The following- genera, a.s limited by Casey, are proliably represented 

 in the State. 



KEr TO INDIANA GENERA OF ECPLEOTINI. 



a. Tarsi with two equal claws; antennre slender, bead-like, last three joints 

 forming a loose club; first visible dorsal nearly as long as second and 

 without pubescent line. Uafoxus. 



aa. Tarsi with two unequal claws or with but a single claw. 



Ij. Antennte elbowed, the basal joint elongate; thorax twice as wide as 

 long, bilobed, and armed at sides with three inflexed spines. 



XT. RHExirs. 

 hi). Antennae straight, fii-st joint not elongate. 



c. Tarsi with two unequal claws, the second in the form of an aiv 

 pendage nearly one-half the length of the principal claw. 

 rf. Thorax with a fine entire median groove, its sides not spinous ; 

 body shorter, head more transverse; elytra eacli with four 

 basal punctures, prolonged baeliward by a Hue. 



XVI. Rhexidiis. 

 dd. Thorax without a median impressed line; body longer, more 

 parallel; head less transverse. Rameci.\. 



cc. Tarsi with but a single claw, or with the second one very minute. 

 c. Anteunal club gradually formed, the last joint only moderate in 

 size. 

 f. Prosteruum not carinnte along the middle: first dorsal not 

 longer than second. 

 ,(/. Thiu'ax with a central dlscul impression; elytra each with 

 a diseal stria. 



