Dec, I9I7-] Dickerson-Weiss : Idiocerus scurra Germar. 221 



four and five, each female oviposits several times. It was noticed 

 that the nymphs in shaded situations did not develop as rapidly as 

 those exposed to full sunlight and for this reason and on account of 

 the length of time over which oviposition extended, it was always 

 possible to find a few newly emerged adults a couple of weeks after 

 the main brood had appeared and oviposited. 



On July 23, a parasite was noted ovipositing in the tissue directly 

 over scurra eggs. This was kindly identified for us by Mr. J. C. 

 Crawford through the courtesy of Dr. L. O. Howard as Gonatocerus 

 maga Girault. Leonard and Crosby found the eggs being parasitized 

 by a new species which they named Gonatocerus ovicenatns and which 

 they state is very close to G. maga Gir. While examining overwin- 

 tering eggs, a few round holes were noted in the bark overlying the 

 ^gg clusters, but up to the present we have not been able to find 

 Leonard's and Crosby's species. On one occasion an adult was ob- 

 served attacked by Podisus maculiventris Say (Hemip.) which had 

 its beak inserted just behind the first pair of legs while a Hemipterous 

 nymph had its beak inserted in the extremity. 



It is thus evident that in New Jersey there are two broods. Over- 

 wintering eggs hatched the latter part of May and adults appeared 

 during the last of June. Females of this brood oviposited during the 

 first two weeks of July and by the last week in August, adults of a 

 second brood were plentiful. Overwintering eggs were laid chiefly 

 during the first two weeks of September but egg-laying continued 

 throughout the month and adults of both sexes lingered on the trees 

 throughout the remainder of this month and during part of October. 

 On September 13, a few first- and second-stage nymphs were noted 

 and their presence indicated the beginning of a partial third brood. 

 A week later however they had disappeared and no further evidence 

 of a third brood could be found. 



Descriptions of the nymphal stages can be found in Leonard's and 

 Crosby's paper but as the nymphs vary in size, color and markings 

 and as our descriptions are not identical with theirs, it was thought 

 advisable to include them in this paper. 



Egg. — Length 1.4 mm. Greatest width 0.35 mm. Translucent, 

 cylindrical, slightly curved when viewed laterally; broadly rounded at 

 basal end. Apical end obliquely truncate and acute. Cap causing 

 truncation narrowly oval, brown in color. 



