72 ORDER IOI.EOPTERA. 



G •■ - IM1\ LLOPHAGA (Haebw). 

 First joint of the antenna' largest and clavate ; the fifth and sixth larger than the second, 

 third and fourth ; terminal leaves three br seven : maxillary palpi four-jointed, the 

 fourth long and mate : clypeus divided bj a transverse suture before the eyes: 

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

 central tooth. 



Phyllophaga quercina. ( Plate x, fig. 0.) 



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

 naked; labrum rounded before, and punctured; elytra punctured, and their tips 

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



PltYLLOPHACA DRAKIl. 



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-tenths of an inch. 



PhYLLOPHAGA HIKTICl LA, 



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 ceorgicana. 

 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 "f the thorax dilated in the middle j elytra pale, testaceous, densely and 

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

 Say. 



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

 Thi< species differs essentially from the foregoing in the form and structure of the 

 antenu;e. the knob consisting of seven curved elongate leaves. Its color is light brown, 

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

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

 I lypeus is extended and reflexed, and the ^tural line is before its middle. 



