'I'llK \A<:.\F KKK-PI.KS. HOT 



l^OoU (lO.ooi;). DoNAciA lu 1-A Say, .Joui'ii. I'liil. Acad. Nat. Sci., V, 1827, 

 283; iliiil. II. .".:'"'■>. 



Elongate, convex, subf.vlindrical. I>ark reddisli-bi-own, shining; an- 

 tciui.c and legs reddish-yellow. Tliird Joint of antenufe one-half longer 

 llian second. TlKU-ax one-tliird longer than wide, broadest near apex; 

 (ubercles on sides not proniineiit, nuHli.-ui line vei-y distinct; surface con- 

 \cx. shining. niarl<cd wili\ iniuute scattered punctures. Elytra with two 

 sliallow impressions near middle; intervals nearly tlat, almost smooth. 

 Length 7-7.5 nnn. 



Tln-(ni.uli<)ut liie Stnlo; rather scarce. April 21-()ctohcr IS. 

 Occurs on loav(>s and al)out roots of sknnl. cal.hauv. The more con- 

 vex, shininii ami s|)ars'>ly inuictured thorax, wider in front, and the 

 smoother intervals of elytra readily distinu'uish this fi-oni //rnv/nx. 



II. Il.KAH)Ni.\ Lat. 1S2!). (A o-cf.oTapliical name.) 



This -zvnus is i'ci)i'esented by a sini>'le species resemblini^- Doikicki 

 in form, but distiniiuished by the narrow tai'si and the distinct si)ine 

 at outer any'le of tips oi" elytra. 



2040 (6549). H.-emonia xuaucouNis Kirl)y, Faun. Dor. Amer., IV, 1S:J7, 

 222. 



Elongate, slender, subconvex. Thorax, elytra and legs brownish-yel- 

 lo\\- : lu'.ul. antcnn;c. tarsi and under surface black. Thorax subquadrate, 

 constricted al middle, front angles rounded, i)rominent ; surface smooth, 

 with a few coarse punctures at base. Elytra each with ten long rows of 

 imnctures and a shorter sutural row: alternate intervals wider and sub- 

 convex. Length 5.5-S mm. 



Lake County; scarce. Tilay 20-May 28. Taken from pond- 

 weed {Poiamogeton) in the Calumet River near Pine; also in the 

 wasluip of Lake ^lichigan. Pro])ably occurs in lakes and streams 

 tlirouii'hout the in)rthern half of State. 



Tribe IL SAGRINL 



Small or medium-sized, ol)lonii; or elonuate, roughly punctured 

 species havin.o the head prominent, not nari'owed behind; eyes very 

 convex, entire; antenna' filiform, rather wid(>l\- separated at l)ase; 

 thorax not widei' than head. i^]lytra entire, wider than thorax, 

 strongly and irre.o-ularly punctured; fi-ont coxa' conical, ti'ansverse, 

 usually i)rominent and contiiiiious ; middle and hind eoxte narrowly 

 separated; tarsal claws (in our species) toothed or cleft. 



The principal paper treating of the ccenera com])risino- both this 

 tribe and tri])e IV, CHythriiii. is by 



Horn. — "Studies in Chyscnuelidje," i)t Trans. Amer. Ent. Soe., 

 XIX, 1892, 1-18. 



Three of the four known y-enera arc represented in the State. 



