1108 FAMILV I.III. unit 1 M rv] iMau.iL. 



KEY TO INDIA^'A GENERA OF SAORINI. 



a. Thorax somewhat bell-shaiied, the sides much i-omidi'd, without teeth 

 or tubercle ; front cnx.i' not prominent, separated. III. Oksodacna. 

 iia. Tliorax with i tubercle or angulate at the sides; front coxie prominent, 

 Cdiitiguous. 

 &. Eyes emarginate ; thorax with a large, distinct tubercle on sides ; 

 front coxal cavities closed ; claws toothed. IV. Zeugophoba. 



()6. Eyes entire ; thorax angulate or toothed at sides ; front eoxal cavi- 

 ties open ; claws cleft. V. Syneta. 



III. ORSODAC^A Lat. ISO:^. (Gr., "bud -t gnawer. ") 



This genus, as characterized above, contains a single species of 

 such variability in color, that it has been described under six or 

 se\'en different names. It occurs on \villo-\A' blossoms in the spring, 

 several color varieties often being found on the same tree. All in- 

 tergrades are known, from those entirely piceous to those almost 

 ^^•holly pale brownish-yellow. 



2041 ((S.jO). (iksodacxa atra Ahrens, Xcjv. Act. Ilalens, 

 I, 1810, 46. 

 Elongate, rather slender, sutwonvex. Color given in 

 varietal Ijey below. Antenufe less than half the length 

 of body, the joints subequal in length, bell-shaped, much 

 narrowed at base. Thorax longer than wide, distinctly 

 narrowed behind the middle; surface coarsely, roughly 

 and rather sparsely punctured. Elytra one-half wider 

 filter Wickhlm^) ^^^^ thorax, coarsely punctate, tips rounded. length 4- 



KEY TO COLOR VABIETIES OF O. ATE A. 



a. Elytra wholly blackish or piceous. 

 6. Thorax black or piceous. 



c. Legs wholly piceous. ^^^^ ^-^^ 

 cc. Tibiae and femora brownish-yellow. tibialis Kirby. 



bh. Thorax more or less reddish. 



d. Thorax reddish with central dark spot. hctuos v Lac 

 (1(1. Thorax entirely reddish-yellow. Hia-Axicv Say 



''</. Elytra more or less brownish-yellow. " ' 



c. Elytra with stripes. 



/. Piccnus, thorax reddish-yellow; elytra eac-h with one yellow stripe 

 on disk. 



ff T^ 1, 1, VITTATA Say. 



//. Pull yellow; el.vtra each with sutural line and stri,,e on side dark. 



„„ „, , , , TRIVITTATA Eac. 



oc. Elytra dark, with large hun.eral and apicnl yellow spot. , Fig. 477.) 



cnu.uRExi Kirbv. 



