72 ORDER COLEOPTEUA. 



Genus PHYLLOPIIAGA ( Haruis). 



First joint of the antennse largest and clavatc ; the fifth aail sixth larger than the second, 

 third and fourth ; terminal leaves three or seven : maxillary palpi fonr-jointed, the 

 fourth long and ovate : clypeus divided by a transverse suture before the eyes : 

 thorax subquadrate : tibiae somewhat dilated ; claws equal, and armed with a nearly 

 central tooth. 



Phyllophaga quercika. ( Plate x, fig. f>.) 



Large : color chestnut brown, uniform ; beneath covered with brown hair^. Abdomen 

 naked ; labruni rounded before, and punctured ; elytra i)unctured, and Iheir tips 

 separated behind. Length about eight-tenths of an inch. 



Phyllophaga drakii. 

 Large : color rather lighter brown than the preceding. Labrum traversed by a line 

 dividing it into two unequal parts : rings of the abdomen finely punctured. 

 This species is rather larger than the quercina : length about nine-tenlhs of an inch. 



Phyllophaga hirticula, 

 Noticed by Dr. Harris, is of a bay brown color, with punctures larger and more distinct 

 than those upon the quercina, and, on each wing-cover, the hairs are arranged in three 

 lines. Length seven-tenths of an inch. 

 Appears in June and July. 



Phyllophaga georgicana. 

 Surface covered with short grayish yellow hairs. Length seven-tenths of an inch. 

 It occurs in New- York. 



Phyllophaga pilosicollis. ( Plate xxiii, fig- 7.) 



Color pale reddish brown : hairs longest upon the thorax and base of the elytra. Anterior 

 edge of the head entire, rounded and deflected, puncture dilated and shallow ; la- 

 teral edge of the thorax dilated in the middle ; elytra pale, testaceous, densely and 

 equally punctured, and covered with short procumbent hairs. Length half an inch. 

 Say. 



Phyllophaga variolosa (Knoch.). Melolontha variolosa (Hentz). 

 This species differs essentially from the foregoing in the form and structure of the 

 antennae, the knob consisting of seven curved elongate leaves. Its color is light brown, 

 with irregular depressions ujwn the elytra, which appear like accidental flexures or in- 

 dentations made by some external force : it is clothed with long yellow hairs upon the 

 breast. The clypeus is extended and reflexed, and the sutural line is before its middle. 



