A REVISION OF NORTH AMERICAN CHRYSOBOTHRINI 29 



130. Body beneath piceous, with distinct purplish, greenish, or bronzy 



reflections; each elytron with a single longitudinal costa; male 

 genitalia with the sides of lateral lobes arcuate near apices (fig. 



125, A) (98) bimarginicollis Schaeffer, p. 219. 



Body beneath bright green at middle, purplish brown at sides; each 

 elytron with more than one longitudinal costa; male genitalia 

 with the sides of lateral lobes parallel near apices (fig. 125, B) 



(99) fiskei, new species, p. 221. 



131. Pronotum twice as wide as long; elytra finely punctate, purplish red, 



with distinct green or coppery-yellow foveae, the median one dis- 

 tinctly impressed 132 



Pronotum not twice as wide as long; elytra coarsely punctate, viola- 

 ceous black (rarely with a cupreous tinge) or bluish green, with 

 bluish-green foveae or purplish-brown spots, the median one at 

 most only slightly impressed 133 



132. Eyes nearly contiguous on occiput; pronotum arcuately rounded at 



the sides; each elytron with two short, transverse, green fasciae, 

 and a green spot at apex; small species, 4.5-5 mm. 



(104) sexfasciata Schaeffer, p. 230. 

 Eyes rather widely separated on occiput; pronotum not arcuately 

 rounded at the sides; each elytron with five round, green or 

 coppery-yellow discal spots, the spots rarely connected trans- 

 versely, and without a green spot at apex; larger species, 6-9 

 mm (97) chrysoela (Illiger), p. 217. 



133. Dorsal surface of body violaceous brown; elytra with greenish or 



violaceous-blue spots, the median one on each elytron slightly 



impressed (102) concinnula LeConte, p. 226. 



Dorsal surface of body bluish green; elytra with purplish-brown spots, 

 the median one on each elytron not impressed 



(103) scitula Gory, p. 229. 



134. Each elytron with a single, more or less distinct, granulose, longi- 



tudinal costa; clypeus broadly, angularly emarginate in front, 

 and broadly rounded on each side_ (19) aeneola LeConte, p. 65. 

 Each elytron with four distinct, smooth, longitudinal costae; clypeus 

 acutely, angularly emarginate in front, and transversely truncate 

 on each side (105) convexa Fall, p. 231. 



135. Elytra with violaceous spots or transverse fasciae 136 



Elytra without distinct violaceous spots or transverse fasciae 140 



136. Body above bronzy green to bluish green 137 



Body above brownish cuprous (106) biramosa (Fisher), p. 233. 



137. Pronotum widest at basal third, the sides obliquely converging ante- 



riorly (107) ulkei LeConte, p. 234. 



Pronotum widest at middle, the sides arcuately rounded, or nearly 



parallel and sinuate 138 



138. Clypeus deeply, triangularly emarginate in front, with an acute 



median notch; male antenna not bipectinate 139 



Clypeus shallowly, arcuately emarginate in front, without a median 

 notch; male antenna bipectinate. (108) atrifasciata LeConte, p. 235. 



139. Large species, 12-14 mm.; sides of pronotum arcuately rounded 



(109) socialis Waterhouse, p. 237. 



Small species, 7-9.5 mm.; sides of pronotum usually parallel and 



more or less sinuate at middle s (HO) lucana Horn, p. 239. 



140. Large species, 10-13 mm 141 



Small species, 5.5-9.5 mm 142 



141. Clypeus transversely truncate in front; dorsal surface of body sub- 



opaque; anterior femur with a short, obtuse tooth, which is 

 coarsely dentate on outer margin; male antenna not bipectinate 



(111) platti Cazier, p. 241. 



Clypeus broadly emarginate in front; dorsal surface of body shining; 



anterior femur with an acute tooth, which is not dentate on outer 



margin; male antenna bipectinate (112) alleni Cazier, p. 243. 



142. Body above uniformly bright bronzy green; apical angles of pro- 



notum not obliquely truncate 143 



Body above bicolored (head and pronotum purplish brown to bronzy 

 green, elytra violaceous blue to greenish blue) ; apical angles of 

 pronotum obliquely truncate (113) bicolor Horn, p. 244. 



143. Last visible abdominal sternite with a submarginal ridge 



(114) smaragdula Fall, p. 246. 



