Kinsey: The Genus N euroterus 
87 
I can tell from a single specimen. The mouthparts are slightly 
darker than the average of types of noxiosus, but this may 
be only an individual variation. The holotype of consimilis 
is a female, and consequently this name goes into synonomy 
with noxiosus, while the male is unnamed and need not cause 
confusion in the handling of the genus Plagiotrichus. The 
finding of consimilis on Q. alba is not in accord with other 
records for noxiosus, but until we have additional data, it 
is not evident whether the consimilis host record is wrong 
or whether this is one of the rare cases where the insect 
oviposited on other than its normal host. Bassett was on 
a whole very accurate in his observations, but a number of 
curious confusions in his last paper (1900) may be connected 
with his advanced age at that time. 
Neiirotems batatus variety noxiosus 
bisexual form vernalis Kinsey 
Involved, without distinctive name, in most references to the agamic 
form. 
N euroterus noxiosus form vernalis Kinsey, 1920, Bull. Amer. Mus. Nat. 
Hist., XLII, p. 337 (not Q. Prinus record, not figs.). 
FEMALE. — Differs from the female of the agamic form only in 
having the abdomen smaller, not produced dorsally or ventrally, the 
whole insect being smaller, 1.2-1. 7 mm. 
MALE. — As described for the species. 
GALL. — As described for the species; twisted, moderately woody, 
on young stems, petioles, and leaf-midveins of Quercus bicolor. 
RANGE. — As given for the agamic form. 
TYPES. — Females, males, and galls in the Philadelphia Academy, 
The American Museum of Natural History, the Museum of Comparative 
Zoology, and the Kinsey collection. From Waterbury, Connecticut; Q. 
bicolor; Bassett collector. Designated as types by Kinsey, 1920. 
This gall starts growth in May, the insects emerging from 
June 12 to July 5. My 1920 record of sex ratios applies to 
variety prini. 
Neuroterus batatus variety obtusilobae (Karsch) 
agamic form 
Diplolepis (Neuroterus) q. obtusilobse Karsch, 1880, Zeit. Ges. Nat. Ber- 
lin, LIII, p. 293, pi. VI, figs. 3a, 3b. 
Cynips obtusilobse Dalla Torre 1893, Cat. Hymen., II, p. 74. 
