552 



FAMILY XIX. — COLYDIID/E. 



slightly narrower than apex. Elytra coarsely granulate with traces of 

 striae between the rows of granules ; sparsely pubescent on the sides. Length 

 4 mm. 



Posey County; rare. April 12. Taken beneath bark of honey 

 locust, Occurs from Missouri to Pennsylvania and Georgia. 



II. Eucicones Sharp. J.894. (Gr., ' ' beautiful \ Cicones. ") 



Differs from Sync I tit a only in possessing distinct, deep antennal 

 grooves along the lower margins of the eyes. One species is known 

 from the State. 



1055 (3251). Eucicones marginal is Melsh., Proc. Phil. Acad. Nat. Sci., II. 



1844, 112. 



Oblong-oval, depressed. Piceous, opaque; antenna* legs and margin of 

 thorax reddish-brown ; elytra each with three or four small spots and a nar- 

 row undulate crossbar at apical third, also reddish-brown. Thorax more 

 than twice as wide as long, sides curved ; margins wide and flat, edges 

 finely serrate; disk granulate and finely pubescent. Elytra with indistinct 

 rows of punctures; intervals flat, with two irregular rows of punctures, 

 each puncture bearing a short, semi-erect bristly hair. Length 2.5-3.5 mm. 



Marion and Monroe counties; scarce. March 23- June 9. Taken 

 from beneath the hark of old maple and beech stumps. 



III. Ditoma 111. 1807. (Gr., "two + joint.") 



Oblong flattened beetles having the antennae 11-jointed, inserted 

 under the margin of the front, the last two joints forming an abrupt 

 club. Eyes rather large and convex, coarsely granulated. One of 

 the six known North American species has been taken in Indiana, 

 while another is herewith described for the first time. 



1056 (3254). Ditoma quadriguttata Say, Journ. Phil. Acad. Nat. Sci., V, 



1826, 266; ibid. II, 326. 

 Oblong-elongate, depressed. Blackish-brown, subopaque ; elytra each 

 with three dull reddish spots ; one oblique, elongate, extending from humerus 

 to suture, a round one behind middle and a smaller subsutural one near 

 apex; antennae and legs reddish-brown. Thorax broader than long, sides 

 nearly straight, disk finely granulate and with four elevated lines, each 

 curved inwards in front, the two median, ones united, forming an arch. 

 Elytra slightly wider than thorax, each with four discal ridges, the broader 

 intervals with two rows of coarse punctures. Length 2.5-3 mm. 



Throughout the State ; frequent, April 9- June 5. Occurs be- 

 neath bark and logs. 



1057 ( ). Ditoma granulata sp. nov. 



Elongate-oblong, subdepressed. Uniform piceous brown ; antennae and 

 margins of thorax reddish-brown. Ninth joint of antennae not wider than 



