■ 1 1 1 ; 



^lll)l; i-w I \i:i'h sc \\ i:\(;i:i: i;i:i- ri.i;s. l:!' 



XLN'lIl. Sci()('iiAKi;i,i,A ("ascy. liX),"). 



Closclv itI;i|c(I Id Si'i(ii-liai-is. Uiil (lit'j'criim' l»y tlic sniallcf size 

 and ill llic cliaradrrs incut ioiicl in the •^■cncric kry. One species 

 l)el(tii<is 1o llie Austi-oripariaii fauna. 



S'2~) ( ). SdociiAUELLjV DKi-UAii i,A Casc.v, 'I'mus. Acad. Sci. St. r.ouis. 



XV, 1905. ir.o. 



Slender. n;ir;illel. Tale In dull lii-ewnisli-yelluw, very miniitely puiic- 

 l.-ite, ,ilul;icei us : le-s .-uid .-ndeuiKe p.iler. Head i)ice(Uis. ;is InU!^ as wide. 

 w idesi ;il the Iruucate itase; e.ves situated iwice tlieir len.i,dh IriMu linse. 

 Secdiid .nileuunl Jnint as louu as the next two couiliiued ;uid inncli thickei-. 

 TluH-ax .-IS \fwj: ;is wide. scar<'el.v unrniwei- than hc-ul. sides nearly stnii.tjld. 

 MH.iiles sc-n-cely muuded. I'll.Nira (lundr.-ile. pMr.illel. nnich wider than liead. 

 ;i lil'th wider ;nid (lue r<iin-lh Inui^^cr Ihan llmrax. i.eu.udh l.s luni. 



Ci-awrdrd and I'oscy cdiintics; raic. .May '_*(i .hinc ']. DoserilxHl 

 IV(tin .\lal)ann-i. 



XLIX. Traciivskctus Casey. 1886. 



Kepresentod east of the Kocky IMouutaiiis by one small piceoiis 

 species having' the guhir sntnres narrowly separated and nearest to- 

 gether in tront of michllc: neck half as wide as hc;u\: third joint of - 

 antenna' distinetly h)nger than seeond. the outer joints bead-like; 

 prosternuni not cai'inate; upper surface coarsely and densely punc- 

 tured. 



82G (2560). Trachvskctus confluens Say. Traus. Amer. Phil. Soc, IV, 

 1834, 450; ibid. II. 571. 



Rather stent, paraihd, sui)Convex. Dark reddish-brown to picet)us. 

 feebly shining; legs, tips of elytra and base of antennae paler. Head wider 

 than long, as wide as elytra, its hind angles broadly rounded; densely, 

 coarsely and strigosely punctured. Thorax narrower than head, wider 

 than long; disk with fine, lengthwise wrinkles. Elytra slightly wider and 

 one-third longer than thorax, finely, rather closely and roughly punctate. 

 Abdomen at base slightly narrower than e^-tra. thence feebly widened to 

 near apex, tinely and densely punctate. Sixth ventral of ni.ale with a small 

 median notch. Length 3.5 mm. 



Tliroughout the State; frecpu^nt. March IT-October 17. Oc- 

 curs beneath loose bai'k aiul dead leaves and in fungi. When un- 

 covered they run very rapidly. The elytra are not always paler at 

 tips and the thorax is often reddish on flu' sides. 



L. Paramedox Casey. 1!)()5. ((Ji-.. "over + provider.") 



The principal distinguishing chai-acters of this genus are the 

 strongly dilated front tarsi and tbe sexual characters of the males. 

 Its members hitherto kmtwn have all been from the Pacific or S(nith- 



western States. 

 [28—23402] 



