594 FAMILY XXIV. DERMESTIDJS. 



Throughout the State; scarce. May VI -July 30. Resembles 

 the preceding but usually smaller. Readily distinguished by the 

 emarginate eyes. 



11P,3 (_ _). TROGODEKMA OBSOLESCENS Casey. Journ. N. Y. Ent. Soc., VIII, 

 1900, 154. 



Narrower and more elongate than inrlusunt. Head, thorax and under 

 surface dull black or piceous; elytra brownish with a faint dull yellow 

 band bearing gray pubescence near base and another near apex; also a 

 spot of similar pubescence on each at middle near suture and a second on 

 side slightly behind the middle. Thorax twice as broad as long, its sur- 

 face, as well as that of elytra, very finely and rugosely punctate. Length 

 2-3 mm. 



Lawrence County; scarce. May ]1. Beaten from flowers of 

 red haw. Crata<;ux. 



VI. CRYPTORHOPALUM Guer. 1838. (Gr., "hidden + club.") 



Small black or piceous. sparsely pubescent species having the 

 antennal club 2-jointed. tlv deep grooves beneath the margin of 

 the thorax; prosternum covering all the mouth parts except the 

 labrum. its process with bread tip widely dividing the mesosternum. 



1134 (3449). CRYPTORHOPALI M H-^.MORRHOIDALE Lee., Ann. Lye. Nat. Hist., 



1. 1824, 170. 



Elongate-oval, moderately convex. Head black : thorax and elytra dark 

 reddish-brown or piceous, the latter with apical third dull yellow and with 

 two transverse bauds of short, rather sparse yellow hairs. Head coarsely 

 and densely, thorax more finely, punctate ; the latter with pale hairs on the 

 sides and basal lobe. Beneath, black with long, sparse yellow pubescence. 

 Joints of aiitenual club of male subequal, oval, together twice as long as 

 the preceding joints united. Length 2-2.5 mm. 



Tippecanoe. Marion. Owen. Vigo and Posey counties; frequent. 

 May 3-June 23. Taken on flowers of the panicled cornel or dog- 

 wood, Cornus candidissima Marsh. 



1135 (3452). CKYPTOHIIOPALVM TRISTE Lee., Proc. Phil. Acad. Nat. Sci.. 



VII, 1854, 111. 



Rather narrowly oval, siihcouvex. Knit'orm black or piceous. clothed 

 with sparse yellowish, semi-erect pubescence; anlenn.-e reddish-brown to 



pjrt s. Thorax finely and very densely punctured, the lobe at middle of 



base narrow, truncate; hind angles acute. Elytra more coarsely and less 

 densely punctured. Antennal club of male of two unequal joints, the ter- 

 minal one being only half as long as the preceding. Length 2-3 mm. 



Throughout the State; common. April 27-September 19. Oc- 

 curs in spring on the flowers of red haw. yellow puccoon and other 

 plants, and on Ihose of goldenrod in autumn. Whenever the plant 



