■nil'; SllOIM-W IN(!ED SrWIlNCKH ISKK/I'T.KS. 405 



ili;ir:i\, rn;irs('ly :in(l (Iciisrly |iunrl;i(c iiiid wilh nil iiliimsl cnmplctc spir.-il 

 Ix'hiiHl ilu' iiiiddlr. Alidniiu'ii ,-il Imsp sliulill.v ii;i rmw cr lliiin (dylr:i, very 

 lcflil\- l:i|i('riii,i,^ l<) :i|M'\. tiiirly niid imIIh-i' s|i.irscl.\ |iiiiirl ;ili', the I i-;msvci-si' 

 r;irin;i' with tlirc*' rusps. I.cimlli :\S> I nini. 



.\l;irioii. \'ii;(i. L;i\\ rciicc. ('I;ii-k, h'losd iiiid I'liscx cnutities; 

 sc;ii"c('. .Mjircli 1 N(i\ciiilu'r I'S. T.-ikcii by sirtiiit-'. beneath nml- 

 Iciii. clc. K'eseiiibles /'(tiion/l Us ill roi'iii. si/e and color, but the 

 sciilplure is iiiiirli more re«inlai'. Ihe abdomen less tapering and the 

 median impi'ession of tboi'ax \vh(ill\- different. 



Division G. 



Here a part <>r all of tlie pniictni'es ai'c vmitiMl or eonllneiit. bnl 

 the channels whii-li 1 hey foi-m are never arranged in a complete 

 spiral oi- whorl on any i)arl of the elytra. "The channels or pnnc- 

 tni-es may be comparatively distant or xrvy closely compacted, and 

 Ihe interspaces corres|>ondinuiy wide or acnte. convex or Hat, highly 

 [lolished or minutely granulosis and l'eebl\ shining.'" The thorax 

 is always mai'ked with a distim-t impression or canaliculation on 

 some jiart of the middle of the disk'. The following species have 

 been taken or probably occur in the State: 



KEY TO INDIANA SPECIES OF DIVISION C. 



(/. I.artrer. more tlian 1' iiiiii. in length; elytral suture not more than one- 

 lliird louiier tliaii tiiorax: transverse earime of aMomen with three 



cusps. 



h. Form exli-emely slender, nearly cylindrical ; elylra much shorter than 

 tliorax. Iiead niu<-li wider llian elylra: len.t,'tli .■;-:!.5 mm. 



Tf^:>. STRANGl I.ATl S. 



/;//. Form nuicli moi-e robust : elytra at must imt lillle slmrter than thorax, 

 usually lon.s;er. 

 (/. Fai-i^er. 0.7-4.S nun.: head wide and robust, as broad as or iiroadei' 

 than elytra: males (except in ticf/lcctus) with the side marjiins 

 of tlie impressed area of titth ventral segment in the form of 

 ridges which terminate behind in acute teeth. 

 c. Legs black ; length :!.7*-4 mm. iiNTRUsrs. 



cc. Legs piceous or paler. 



/■. Head not twice as wide as long, ileeiily excavate between the 

 eyes: legs pale piceous-hrown : length 4 4.8 mm. 



~s.4. KRvniKoprs. 



//. Head iwice as wide as Imig. fceidy cxc.-ivale iielween the eyes; 



logs picoMus: length ^^.s 4 mm. NEGi.ECTrs. 



ihl. Smaller, ml dvcr ."...' inni. : miles wilh margins of imiiressed area 



of lil'tli ventral wilhdiit ridges or teelli. 



//. i;iylr.il sulnre eqiial in length to llierax. Ihe latter wider bei'ore 



the middle: luini slender: leiigtii "J.:; nun. siiixii.is. 



