]204 FAMILY LVIII. — mei-andryid^t;. 



2391 (TCSij). liALLOMENrs scAPULABis Melsh., Proc. Phil. Acad. Nat. Sci.. 



Ill, 1S46, 57. 



Oblong-(jvate, subconvex. Color given in key; sparsely pubescent witb 

 yellowish hairs. Thorax one-half wider than long; sides parallel on basal 

 third, thence rounded to aijex; surface finely and densely granulate-punc- 

 tate, with a deep impression each side near base. Elytra more sparsely and 

 less roughly i)unc1ate than thorax. Len.nth 4.5-5 mm. 



Marshall, Wells and Vigo countp^s; scai'i-e. May Ifl-October 23. 

 Occurs on fungi, especially I'lihjjxirnti s}tlj)li iimis Fv. 



2392 (76SC). I-jAi,ij).\rENUS debilis Lee, Xcw Sp. N. Am. Col., I, ISIKi, 152. 

 Oblong. Dull brownish-yellow, pubescence paler. Antennae stout, slightly 



longer than the head and thorax, third joint much longer than the second 

 and fourth together; the .loints more closely united than in scapular is. Tho- 

 rax and elytra more densely punctate than there, the basal impressions of 

 tlie former smaller. Length 3 mm. 



Pntnam ('omity; rare, /uigiist 12. 0<'(tnrs beneath logs and on 

 fpn«;i. 



IX. Orchesia Lat. 1S07. (Gr., "a dancer.") 



Small cloui;'at(;, convex sjx'cies having the sjiurs of the middle 

 and hind tilii:v Iin(4y iicctinatc on their inner or lower edge. Our 

 species are I'hestnnt-brown in colo)' and have the eyes rather close 

 togethei' on the front. Two of the three species have been taken in 

 the State. AVhen uncovered they leap and timil)le in grotescpie fash- 

 ion in their endeavors to escape. 



KEY TO INDIANA SPECIi;S OF ORCHIiSIA. 



a. I'rnsternniii Ijetwccu the coxse very narrow and acute ;it apex. 



2311;;",. CASTANEA 



ail. Pr()steruum lictween the coxa' broader and parallel, Ihe apex obtuse. 



2394. GBACTUS. 



2:i!):', (Ti;s7). OnciiEsiA castanea Melsh., Proc. Phil. Acad. Nat. Sci., Ill, 

 1846, 57. 

 Elongate, convex. Uniform dark chestnut brown; antennm and le,i;s 

 slightly paler; pubescence silky lirowu. Tborax one-third wider than long, 

 rather coarsely and densel,\- punctured near the liase. mure finely in froni, 

 tlie l)asal imin-cssicms evident but shallow. El.\tr,i punctured like the th i- 

 rax. Length 4-5 mm. 



Southern half of State; frequent. ]\[ay 4-November 9. Occurs 

 beneath chunks and in woody fungi. 



2.394 (7(1S8). Ohchesia gkacilis Melsh., Proc. Phil. Acad Nat Sci III 

 ]«4(j, 57. 

 More slender than castanra and more narrowed beldnd the middie 

 I'unciures of thorax and elylra more coarse and rngnsc, I lie basal imi.res- 

 sions of former vci'y v;iKn<'. I>eiigth 3.5-4 mm. 



