THE LEAF BEETLES. 1163 



//. Third joint of antennae shorter than fourth; size larger, 7 or 

 more mm. XLIV. TEIRHABUA. 



////. Third joint of antenna? longer than fourth; smaller, not 

 over 6.5 mm. XLV. GALERUCELIA. 



;/!(. Antenna' not reaching middle of body, third joint longer than 

 fourth; tarsal claws narrowly bifid in males, simple in fe- 

 males. MONOXIA. 

 cr. Tibia>. in part at least, with terminal spurs. 



/. Middle and hind tibia? with terminal spurs; antennae similar in 

 the sexes; elytra greenish or greenish-yellow, usually with 

 black spots or stripes; thorax usually with two t'oveae or pits. 



XLVI. DlABROTICA. 



//. All the tibi;e with minute terminal spurs; fifth to seventh joints 

 of antenna? broadly dilated in male; elytra shining bluish-green 

 with a narrow yellow border. XLVII. PARATRIARIUS. 



(Id. Claws of tarsi appendiculate. 



./. Epipleura not distinct; tibiae without spurs; color black and yellow. 



XLVIII. PHYLLOBROTICA. 

 ././ Epipleura well defined. 



/,-. Tibiae with spurs; elytra black or blue. XLTX. LUPERODES. 



A" A\ Tibia? without spurs; elytra black and yellow. 



L. PHYLLECTHRUS. 



XLII. CEROTOMA Ohev. 1834. (Gr., "horn + . joint.") 



To this genus belongs a single rather small, oval species, having 

 Ilie antenna? slender, first joint rather long, second short, third 

 nearly as long as first, fourth shorter, 5-11 nearly equal; first joint 

 of hind tarsus as long as the following joints together. 



*2155 (6S45). CEROTOMA TRIFURCATA Forst., Nov. Sp. Ins., 1771, 29. 



Oval, narrower in front, moderately convex. 

 Body beneath and head black; above dull yellow, 

 rarely reddish, the elytra usually with black basal 

 and side margins, the latter extending nearly to 

 apex and with three black spots on each side of 

 and close to suture, the hind one the smaller ; the 

 spots and border often in part lacking, sometimes 

 tu such an extent as to leave only the scutellum 

 black: antenna' and legs yellow, the tibia? and often 

 the femora in part black. Thorax nearly twice as 

 wide as long, slightly narrowed in front, margin 

 broader near base; disk very finely and sparsely Fig 50(; (A fter C'hittendcn in 

 punctate. Elytra with irregular rows of fine, rather Bvi11 - Ix - N~e\v ?er., U. S. Div. 

 distant punctures. Length 3.5-5 mm. (Fig. 506.) 



Throughout the State; frequent. February 21 -October 18. Hi- 

 bernates in small numbers beneath logs and other cover in low, 

 moist places. Occurs in summer on bush-clover (Lespedeza), tick 



