134 GEO. H. HORN, M. D. 



The first two species resemble each other very closely but the 

 second has the bands narrower, the posterior more oblique and rather 

 widely bordered with very dark brown or nearly black. In both 

 the antennae are pale brown. They are best distinguished by the 

 characters given in the table. It may also be noticed that the 

 antennal tubercles are strong in Wilsonil, and almost wanting in 

 latecinctus, and very feeble in Ilornii. 



JE. latecinctns n. sp. — Dark brown, sparsely clothed with fine pubes- 

 cence, elytra with a broad basal and a median transverse band yellow. 

 Antennae slender, brownish, each joint darker at tip. Thorax globose, trun- 

 cate at apex and base, as long as wide, densely punctured. Elytra obtusely 

 rounded at tip, rather coarsely and densely punctured, a broad yellow basal 

 band, sometimes interrupted by the suture, usually joining the epipleurje and 

 extending backward, a second broad band at middle, transverse and usually 

 narrowed at the suture. Body beneath paler than above and sparsely pubes- 

 cent. Legs brownish 9 or piceous %. Length .40 — .42 inch; 10 — 10.5 mm. 



Much smaller than the other species. The male has very slender 

 twelve-jointed anteunfe which are more than twice the length of the 

 body, those of the female are eleven-jointed and not longer than 

 the body. 



Collected at Tucson, Arizona, and given me by Mr. Henry Edwards. 



A. Wilsonii Horn, occurs in Texas; Ilornii Lac, in Florida. 



CYL,L,E»IE Newm. 

 Antennse with joints 3 — 5 spinous at tip. 

 Thorax and abdomen uniformly pubescent. Presternum wide between the 

 coxse but not prolonged. Tip of elytra acutely spinous. ..ailteuua.tus. 



Antennae not spinous. Thorax black with yellow bands. Abdomen more 

 densely pubescent at sides, feebly at middle. 

 Prosternum wide between the coxae, dilated at tip and more or less emar- 

 ginate, prolonged and meeting the mesosternum and slightly over- 

 lapping it. (PI. II, fig. 8 e). 



Elytra acutely prolonged at tip criiiicoi'uis. 



Prosternum moderate, not prolonged, the tip truncate. 



Second joint of hind tarsus glabrous at middle, antennae of male longer 

 than the body. 

 Prosternum between the coxae longer than wide. (PI. II, fig. 8g). 



piclus. 



Second joint of hind tarsus densely pubescent, antennae not longer 



than the body. 



Presternum rather widely separating the coxae, being as broad as 



long and as wide as the coxal cavity. (PI. II, fig. 8 f)....robiniee. 



Prosternum longer than wide, not as wide at its middle as the coxal 



cavity. (PI. 11, fig. 8 g) clccorus. 



The above table is the result of a study of the species known to 

 inhabit our territory. 



