THE LEAF BEETLES. 



1113 



66. Front coxae separated by the prosternum ; form short, robust; eyes 

 oval, not emarginate ; color (in our species) uniform blackish. 



VIII. CosciNorrERA. 



aa. Tarsal claws appencliculate ; eyes emarginate ; color black with rod or 

 yellow elytral spots. 

 g. Epipleura broad in front; elytra (in our species) each with humeral 

 and apical reddish spots. IX. Babia. 



cc. Epipleura narrow ; elytra each with humeral spot only. 



X. Saxinis. 



VII. Anomgea Lac. 1849. (Or., "unlike.") 



One species occurs east of the Mississippi. The male has the an- 

 tennae more deeply serrate and front tibiae longer than in female. 



2051 (6579). Anomcea laticlavia Forst, Nov. Spec. Insect, 1771, 27. 



Elongate, subcylindrical. Head, thorax and femora reddish-yellow; 

 elytra paler yellow, the suture and outer margins narrowly bordered with 

 black; antennae, tibiae and tarsi usually blackish; under surface, except 

 prosternum, black, densely clothed with gray pubescence. Thorax more 

 than twice as wide as long, sides rounded, hind margin sinuate, surface 

 smooth. Elytra finely and indistinctly punctate. Length 7-8 mm. 



Southern two-thirds of State; frequent. May 19-June 26. Oc- 

 curs on ragweed (Ambrosia) ; also on flowers of Jersey tea and other 

 herbs. 



VIII. Coscinoptera Lac. 1849. (Gr., ''a sieve + wings.") 



Of the North American species of this genus all but two occur in 

 the western and southwestern states. One of these is found in 

 Indiana. 



2052 (6590). Coscinoptera dominicana Fab., Syst. Eleut., II,- 1801, 34. 



Oblong, robust. Black, densely 

 clothed on under surface, more 

 sparsely above, with short, prostrate 

 ash-gray pubescence ; labrum usual- 

 ly yellow. Thorax evenly and regu- 

 larly convex, as broad at base as ely- 

 tra, more than twice as wide as long, 

 sides rounded ; surface densely and 

 rather finely punctate, median line 

 smooth. Elytra more coarsely and 

 less densely punctate than thorax. 



Length 4.5-6.5 mm. (Fig. 481.) Fig. 481. a. larva extracted fr cm case; fc, same with 



rp-i i i n ^ Q, , p s case; c, beetle, showing punctures; d, same natural si<?e 



I iirOUgilOUt tile otate ; ire- e ; egg enlarged; /.head of larva, under side; g, head of mak; 



quent. May 31-July 5. Occurs |^iJ^^iiy^«;i.i«oi 



1 " " larva; k, mandible of same. (After Riley.) 



on the foliage of the sour or 



black-gum, Nyssa sylvatica Marsh ; also on oak and wild grape. 



The larvae are said to occur in ants' nests. 



Mating June 11. 



