1204 FAMILY LVIH. MELANDRYID.K 



2391 (70X3). HALLOMENVS SCAPULARIS Melsh., Proc. Phil. Aeacl. Nat. Sci.. 



Ill, 1846, 57. 



Oblong-ovate, subeonvex. Color given in key; sparsely pubescent with 

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

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

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

 less roughly punctate than thorax. Length 4. .">-'> nun. 



Marshall, "Wells and Vign counties; scarce. May ID-October 2M. 



Occurs on fungi, especially l'oli//><>i'it>; xiil ftli iircus Fr. 



2392 (7080). IlALLOMENrs DEUII.IS Lee., New Sp. N. Am. Col., I, 1SOO, lf>2. 

 Oblong. Dull brownish-yellow, pubescence paler. Antenna? stout, slightly 



longer than the head and thorax, t hi I'd joint much longer than the second 

 and fourth together; the joints more closely united than in *</> H/(/m-. Tho- 

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

 the former smaller. Length 3 mm. 



Putnam County; rare. August 12. Occurs beneath logs and on 

 fungi. 



IX. OKCIIKSIA Lat. 1S07. (fj p., "a dancer.") 



Small elongate, convex species having the spurs of the middle 

 and hind tihhe linely pectinate on their inner or lower edge. Our 

 species are chestnut-brown in color and have the eyes rather close 

 together on the ('rout. Two of the three species have heen taken in 

 the State. "\Vhen uncovered they leap and tumble in grotesque fash- 

 ion in their endeavors to escape. 



KEY TO INDIANA SPECIES OF ORC1IKSIA. 



a. I'lMsteriium between the coxa} very narrow and acute at apex. 



2393. CASTANEA. 



an. I'rosternum between the coxa 1 broader and parallel, the apex obtuse. 



2394. GRACH.IS. 



239.", (70X7). ORCIIESIA CASTANEA Melsh.. Proc. Phil. Acad. Nat. Sci., Ill, 



1846, 57. 



Elongate, convex. Uniform dark chestnut brown; antenme and legs 

 slightly paler; pubescence silky brown. Thorax one-third wider than long, 

 rather coarsely and densely punctured near the base, more finely in front, 

 the basal impressions evident but. shallow. Elytra punctured like the th >- 

 rax. Length 4-5 nnu. 



Southern half of State; frequent. May 4-November 0. Occurs 

 iieneath chunks and in woody fungi. 



2394 < 70X8). ORCHESIA GRACILTS Melsh., Proc. Phil. Acad. Nat. Sci.. III. 



1840. r.7. 



More slender than riixtaiiru and more narrowed behind the middle. 

 Punctures of thorax and elytra more coarse and rugose, the basal impres- 

 sions of former very vague. Length 3.f>-4 mm. 



