Kinsey: Gall Wasp Genus Cynips 
491 
Agamic, long- winged forms with cubital cell entirely clear; agamic 
short- winged forms with slender, plough-shaped spines; bisexual 
forms not recognized; all agamic galls naked or at most pubescent. 
22 
17. All agamic forms with short and distinctly narrow wings; agamic 
galls faceted to spiny; Utah and eastward; some bisexual forms 
known for pezomachoides and gemmula. 18 
Agamic forms with wings full length, half length, or sometimes 
short; in the latter case the wings are always broad; bisexual forms 
unknown; agamic galls naked, spiny, or wool-covered; Southwest, 
not in Colo, or eastward (except villosa varieties which have short 
but broadened wings) . 20 
18. Abdomen nearly naked except for patches on second segment ba- 
sally; agamic and some bisexual forms known; agamic galls faceted, 
naked to spiny. 19 
Abdomen of agamic forms largely hairy; bisexual forms not known; 
agamic galls faceted usually without spines (short-spiny in a Utah 
variety). C. hirta, 18a 
18a. Galls ellipsoid. 18b 
Galls more nearly spheroidal. 18d 
18b. Insect deep rufo-piceous and black. 18c 
Insect bright brownish rufous, large, 2.2-3. 5 mm. long; Q 
macrocarpa; Okl. and Tex. var. obtrectans 
Insect brownish-piceous and black; small, 1. 5-2.5 mm. long; 
Q. macrocarpa, sub-Canadian. var. scelesta 
18c. Lateral lines absent, mesopleuron entirely punctate and hairy; 
Q. macrocarpa, eastern half of U.S. var. macrescens 
Lateral lines evident, mesopleuron with naked and shining 
spot dorsally; Q. Gambelii; So. Rocky Mts. var. undulata 
18d. Galls faceted, smooth; on chestnut oaks, more eastern U.S. 
var. hirta 
Galls faceted with the surfaces rough or short- tuberculate; on 
Q. utahensis; Utah. var. packorum 
Galls faceted, smooth; Q. macrocarpa, Ozark area. 
var. opima 
19. Abdomen of agamic form swollen cylindric; bisexual form with 
mesonotum distinctly shining and parapsidal grooves continuous; 
agamic galls spherical, monothalamous, without spines; bisexual 
galls egg-shaped, with sharp tips; on chestnut oaks. 
C. gemmula, 19A 
