THE LEAF BEETLES. 



1167 



KEY TO INDIANA SPEC IES OF GALEKUCELLA. 



a. Antennae similar in color above and beneath; elytra coarsely punctate, 

 more finely towards apex. 

 &. Elytra with elongate black markings or narrow stripes. 



c. Side margins of elytra not at all flattened; middle coxse separated 

 by the mesosternum. 



d. Elytra very coarsely punctate; thorax more or less shining, the 



black spots often indistinct. 2160. Americana. 



(Id. Elytra less convex and less coarsely and more closely punctate; 

 thorax opaque., the spots distinct. 2161. sexvittata. 



cc. Side margins of elytra distinctly flattened; middle coxse con- 

 tiguous. 



e. Sutural dark line indistinct or absent, the next inner line long, 



nearly reaching the apex. (Fig. 507, No. 3.) Integra. 

 ee. Sutural dark line distinct. 



/. Sutural dark stripe joined by the next at or behind the mid- 

 dle. (Fig. 507, No. 4.) 2162. notulata. 

 if. Dark stripe next to the sutural one very short basal. (Fig. 

 507, No. 5.) 2163. notata. 

 bb. Elytra without elongate dark marks, the side margins often paler. 

 (J. Color dull brick red ; head red. 



h. Elytra more coarsely punctured, the intervals between the punc- 



tures distinct: surface shining. 2164. cavicollis. 



hh. Elytra finely and densely punctured; surface subopaque. 



RUFOSANGUINEA. 



(jg. Color dull yellow, brownish or piceous ; occiput usually piceous. 



i. Form convex, elytra coarsely punctate. 



2160a. var. Americana. 



it. Form subdepressed. 



j. Middle coxse separated by a prolongation of the mesosternum ; 

 thorax angulate at middle, subsinuate behind, hind angles 

 °»tuse. 2165. nymphs. 



jj. Middle coxae contiguous; hind angles of thorax distinct. 



k. Thorax irregularly punctate, with smooth areas along the 

 apex and near the front angles; elytra dull reddish-brown. 



2166. TUBERCUL ATA . 



fcfc. Thorax densely and evenly punctured and opaque; elytra 

 dull brownish-yellow to piceous. 2167. decora. 



aa. Antennae piceous above, pale beneath ; elytra rather finely and equally 

 punctate. 2168. luteola. 



2160 (6899). Galerucella Americana Fabr., Syst. Eleut, I, 1801, 489. 



Oval, more convex than in the other species. Dull yellow, sparsely 

 pubescent; elytra each with three piceous lines, these often indistinct or 

 even wanting (Fig. 507. No. 1Y: apical half of antenna?, and sometimes the 

 metastemum and abdomen, piceous. Thorax more than twice as wide as 

 long, wider at base than apex, sides curved, surface sometimes sparsely 

 (female), more usually rather coarsely and closely punctate. Elytra oval 

 with rounded humeri, sides not flattened, surface very coarsely, deeply and 

 rather closely punctate. Length 4-6 mm. 



[74—23402] 



