Till': sii(t!;i-\\ iNt;i:i) sr w i;n(;i;i; iii;i:'I'i.I':s. 4G7 



Gkoi'p D. 



Sm;ill. slender species li;i\iii*:' Hie side iii;ii-iiiii (il" tliorax acutci, 

 the flanks deeply bill narrowly concave; pi-osternal sutures want- 

 in<j:; ('(^xal fissures short and closed; hind angles ol' Ihorax obtuse. 



^KM (l'T4r)). liLEDU'S coRDATUS Say, Trans. Amor. Phil. Sue., IV. 1Sr54, 4(;i ; 

 ibid. II, 570. 



Elongate, very slender. Black; elytra dnll yellow with a wide liisious 

 sutural stripe; antenna^ and legs dull yellow, the former dusky at tiii. Head 

 hro;id. Hat, finely granulated. Thorax one-third wider Ihan long, sides sub- 

 l>arallol. roundiHl behind; disk finely granulate, very sparsely and irregu- 

 larly punctate, the median line disfihct. Elytra slightly wider and one- 

 third longer than thorax, tiuely and ratlier densely inmctate. Abdomen at 

 base narrower tlian elytra, liiiely graiiiilale. neafly siumilh .-ihi.ve. distinctly 

 punctate beneath. Eength 4 mm. 



l^ake County; rare. May iM. A .sea-(<ias1 species wliii-h will 

 probably be round all aloii.u' the shore of i.aki' Michiiian. 



I'ldhistdhus anuricanus Erichs.. :? iinii. in lengtli. t)lack. shin- 

 iuji'. (>Iytra fiisc()-])iceous. tibia' and tarsi pale, is record<'d From Cin- 

 cinnati, and very probably occurs in southern Indiana. 



LXXIII. OxYTELi-R Grav. 1S(H;. (Or., "a jx.inted end.") 



Small depres-sed black or i)iceons species having- the head usu- 

 ally as wide as thorax, the middle eoxffi somewhat separated and the 

 front tibia^ with a single row of spines. 



KEY TO INDIANA SPIXIES OF OXYTELUS. 



a. Thorax coarsely sculptured, more or less shining. 



/). Head rounded immediately behind the eyes, which are large and 

 l>rominent; thoracic grooves deep; length .3.5 4 nmi. 



902. scuLPrrs. 

 hi. Head prolonged behind the eyes, the latter moderate in size. 



c. Sides of thorax crenulate; piceous, legs juid base of antenn:e dull 

 yellow; front flat; length 4.2 5 mm. rigosis. 



cc. Sides of thorax entire. 



(/. Front of head concave, its apical margin elevated ; oiitei- thoracic 

 groove feeble; length 3.5 4.5 mm. '."I3. i>i;.\nsvi,vamci's. 



(/(/. Front of head tiat. not nmrgined at aiiex. 



e. Vertex flat, not chamieled ; thorax strongly punctured; male 

 with apical margin of front extended forward in a short. 

 sharp process; length 2.5-3 mm. n04. insignitus. 



ee. Vertex convex, feebly channeled. 



f. Front polished; dorsal grooves of thorax distinct; length 

 1.7-2 mm. 905. srsPEcrrs. 



ff. Front opaipie; dorsal grooves obsolete; length 2.3 mm. 



non. PLAcisiNis. 



