1134 FAMIIY LIII. — ('[ikvsomelid.t:. 



2100 (()714). DiAt'iirs cni.oKizAiS'.s Suffr., Linnea. Eiitoni., VII, ls5:'). 7<>. 



Oval, sulH-yliiHlrk-al. Head, thorax and legs yellow, shining. Elytra 

 metallic green. Hows of elytral pnnftnres entire. Eength 2 mm. 



Lawrence and Harrison counties; rare. June 24. 



XIX. Triachits Lee. 1880. 



Here belong the smallest of ( 'hrysoiuclids, none of them liein^i' 

 over L5 mm. in length. 'I'hey are OAal in form and have the claws 

 widely diUited; antenna' aliont half as ionu' as liody, with the last 

 five joints wider; eyes feebly (^narginate ; prosternnm flat, quad- 

 rate, margined at sides, trnncate behind ; elytral stria? consisting of 

 small ]innctures. Two of the four known species occur in the State. 



L'lOl (OTlT)). TiuACHis ATOM IS Soffr., Linna?a., Entom., VII, \S~tPt, 74. 



(>val. convex. I'iceons-lirown, thorax slightly jialer; legs yellow. Tho- 

 I'ax smooth, feebly luuictured at sides. IJows of elytral punctures obsolete 

 oxc(']it on sides. Lcnglh l.l.*-l.r> mm. 



Crawford County; scarce, .lune 24 -July 2."). Taken by sweep- 

 ing huckleberry l)ushes. 



2102 (07171. Triachx s vacims Lee.. Trans. Amer. Entom. Soc. VIII, ISSO, 

 107. 

 Oval, convex. l>nll yellow, the elyti'a often clouded wilh dai'ker. Tho- 

 rax sjiarsely .and linely imnctured. more deejily at sides, not margined at 

 base. Rows of elylral punctures very tine but distinct on disk. Length 1- 

 1..'! mm. 



Throughout tlu- State; common. .A!ay 1(i-June 21). Beaten 

 from vegetation. 



Tribe VII. EUiMOLI'l.XI. 



A large group of lueditua (»r small-si/( d oljlong, convex (rarely 

 rounded or oval) species, ustially uniform metallic, though some- 

 times dull yellow or spotted in hue. They have the head plainly 

 visible, moderate in size and defiexed: eyes more or less emargi- 

 nate; antenna^ usually long, filiform, ^videly separated at base; 

 thorax margined at base, except as mentioned in key to genera; 

 elytra rounded at tip, entire; front coxa^ glo1)ose, separated by the 

 prosterniun, the cavities closed behind ; tarsi broad, the third .joint 

 deeply bilolied, the claws toothed or cleft. 



The following paper, in addition to those inentioned under the 

 family heading, treats especially of the genera com])osing the tribe : 



Horn. — "The Eumolpini of l>oreal America," in Trans. Amer. 

 Ent. Soc, XIX, 1892, 19r)-234. 



Of the 19 genera ascribed to the tril)e by Horn. 14 are known 

 to be or should be represented in the State. 



