1110 



FA. Mil J V IJII. CrilO'SOMKUn.!';. 



2044 (0554). 



Fig. 478. X 8. 

 (After Wickham.) 



Zeugophora varians Crotch, Proc. Phil. Acad. Nat. Sci., 

 1873, 2.3. 



I'^lougate-ohloug, subeonvex. Toi) of head and disk 

 1)1' tliorax black, the latter with a yellowish median 

 stripe, which widens on basal half. Elytra piceous, 

 witli a large oval or heart-shaped yellowish spot on 

 center of disk ; front of head. ;nitennre and legs dull 

 reddish-yellow. Thorax as in the preceding, the tuber- 

 cles more blunt. Length 3 mm. (Fig. 478.) 



Lake and Posey counties; scarce. IMay 11- 

 Jiine 2-1. Occnrs on foliage of poplar. 



V. Syneta Lac. 1845. (Gr.. "sagacious. ") 



(Jne species of this genus occurs in the eastern United States, in- 

 cluding Indiana. 



2045 ((i557). Syneta KKRrvr<;ixF:A Germ.. Nov. Act. Ilalens, I, 1810. 30. 



Elongate, subcylindrical. Ile.-id. thorax and antennie re<ldish-yellow ; 

 elytra, legs and under surface [lalcr yellow. Antennre slender, half the 

 length of body; joints 4 to 10 very nearly equ.-il in length, 11th longer than 

 lUtli. Thorax slightly longer than wide; rather broadly angulate and ob- 

 tusely three-toothed at sides; surface coarsely and densely punctate. Ely- 

 tra each with four raised Hues or costte of various degrees of distinctness; 

 the broad intervals each with 3 to 5 irregular rows of coarse, close-set 

 punctures. Hind tibia^ of nnile slightly liroader at tip and with terminal 

 .spurs, the inner edge sinuate below the middl(\ Length 7-8 mm. 



Southern two-thirds of State; scarce. iMay 12-June 2. Beaten 

 IVoin th(^ foliage of scrul) oak and hazel. 



Tribe III. CRIOCERINI. 



Oblong or elongate beetles of rather small size and graceful 

 form, having the tliorax mu'-h nai-rov.'cr than elytra, tisually 

 strongly constricted neai- middle; elytra with punctures in regtilar 

 rows; antenna' widely distant at base, inserted in front of eyes, 11- 

 jointed and rathei' stout; front coxa' conical, prominent and nearly 

 contiguous, the cavities closed behind; first ventral segment as long 

 as the two following; tarsal claws simple and approximate at l)ase. 

 Two genera compose, the ti'ibe. 



KEY TO GENERA OF CKTOC EIUiXI. 



It. Thorax with .-i constriction about the middle. 

 (/(/. Tlior.-ix cylindrical, not consti-icted. 



VI. Lema. 

 Crtoceris. 



VT. Lkma Fal>r. 17ilS. (NIj.. menning unknown.) 



This genus, siitlicienlly characterized above, is represented in 

 the State ])V five species.* 



*A synoptical tuble of uiost of the species is given by Croteh, Prop, riiil. Aciti., IS".'?, 24. 



