678 FAMILY XXXiri. — PARNID.li. 



Subfamily II. PARNINAE. 



In our genera of this subfamily the head is retractile and pro- 

 tected Ijeneath by the prostermim, which is lobed in front; antennae 

 short, ll-jointed. the first and second joints enlarged; prosternal 

 spine wide; mesosterniim broad, emarginate; hind coxas diLited into 

 a plate. Four genera are known, three of which may occur in the 

 State. 



KEY TO INDIANA GENERA OF PARNIN.^. 



«. Body rounded; eyes not hairy; last joint of maxillary ])ali)i liatehet- 

 sliaped ; length 3 mm. Lutrochus. 



(Id. Body elongate; last .joint of maxillary palpi elongate; larger, 5-0.5 mm. 

 b. Antennre close together at base, their clubs pectinate; eyes hairy. 



Pelonomus. 

 1)1). Antenn;TG widely separated, their clubs lamellate; eyes glabrous. 



II. Dryops. 



Liitrochvs httevs Lee, oval, l)r()nzed, densely clothed with clay- 

 yellow hairs, has been recorded Ijy Dury from Cincinnati. 



Pelouomns obscurns Lee, subcylindricnl, piceous, densely clothed 

 with erect hairs, length 0.5 mm., is recorded from the "Southern 

 and Western States." 



11. Dmni's Oliv. ]7!)(). ( .\ mylhological naiiu\) 



Oblong species (if medium si/e, having llie head reti-adile and 

 when bent downwai-d prolected beneath by the lobe of tlu; pro- 

 sternum; joints 4 to 11 of antenna? distinctly laimdlate; j^rosternal 

 sjuue wide. Five species are knov>n fi-om Noi'th America, two of 

 wliich lia\'e heel! tak'cn in Imliaua. while a third pi-obably occurs. 



KEY TO INDIANA SPECIES OF DRYOPS. 



a. Body finely and densely clothed with silky pubescence. 



1296. LTTIIOPIIILIS. 



ua. Body coarsely pubescent. 



h. liase of thorax and space along elylral suture witlmut i)ubescence. 



3207. EASTIGIATl'S. 



hi). Surface everywhere pubescent; alteriiale intervals of elytra more 

 convex. striatus. 



1296 (3921). Dryops lithophilits Germ., Ins. Spec. Nov., 1824, 88. 



Oblong, subconvex, everywhere covered with a dense and evenly dis- 

 tributed silky pubescence which has a slightly bronzed lustre. Thorax 

 broader than long, disk convex, b.ase bisinuate, front aud hind angles acute. 

 Elytra ra])i(1ly narmw cd behind the middle 1o an a<-ute .ipex; last ab- 

 dominal segment, as in the next s])ecies, nearly devoid of iMiiiesciMice and 

 reddish in hue. Length 5 5.5 mm. 



