Kinsey: Gall Wasp Genus Cynips 
397 
Maryland and central Missouri, excluding the Coastal Plain areas; 
further south in the mountains to southwestern Virginia. Figure 68. 
TYPES. — 18 females and galls. Holotype and paratype females 
and galls in the American Museum of Natural History; paratype 
females in the Museum of Comparative Zoology, the U.S. National 
Museum, presumably in the Beutenmiiller collection, and in the Kinsey 
collection. From (Rockport?) Ohio; from the Bassett collection. 
Walsh’s original use of the name was for galls only, so Walsh 
“cotypes” in the Museum of Comparative Zoology have no nomenclatorial 
significance. The insect was originally described by Beutenmiiller (1909) 
“from eighteen specimens bred by the late H. F. Bassett from galls 
received from Ohio.” Beutenmiiller “cotypes” in several collections from 
other localities were designated after publication and are consequently 
not typical. 
The present re-descriptions are based on my studies of the holotype 
and several paratypes. 
INQUILINE. — Synergus erinacei Gillette (acc. Gillette 1896). 
PARASITES. — Callimome brodiei (Ashmead) (acc. Ashmead 1887). 
Eurytoma auriceps Walsh (acc. Walsh 1870). 
E. studiosa Say (acc. Walsh 1870). 
Decatoma querci-lanae dorsalis (Fitch) (= D. simplicistigma 
Walsh; acc. Walsh 1870). 
D. flava Ashmead (acc. Triggerson 1914). 
D. varians Walsh (acc. Triggerson 1914). 
Ormyrus ventricosus Ashmead (acc. Triggerson 1914). 
Syntomaspis sp. (acc. Triggerson 1914). 
Tetrastichus sp. (acc. Triggerson 1914). 
This is a very common gall thruout the northeastern quarter 
of the United States and southernmost Canada, wherever the 
white oak, Q. alba, is found, except as this variety is replaced 
on the Atlantic Coastal Plain by variety pezomachoides and 
further north and in the Appalachians by variety wheeleri or 
hybrids of wheeleri. Buetenmiiller’s suggestion that this in- 
sect ranges “probably South to Florida” does not accord with 
our recent collections in the Southeast. The Osten Sacken 
(1873) and Ashmead (1890) records of erinacei in Colorado 
apply to variety cincturata. 
Erinacei is strictly confined to Quercus alba. Ashmead’s 
record (1885) of Q. montana as the host must be based on a 
mis-determination if it is not a lapsus, for the present species 
abandoned the group of oaks to which montana belongs when 
it separated from the stock of Cynips gemmula t. Cook’s 
repeated record (1905 and 1910) of the red oak, Q. rubra, as 
host of erinacei is a curious error, especially since the figure 
