Cynips echinus variety schulthessae, new variety
agamic form schulthessae, new form
Figures 26, 151-153, 165, 174, 178, 193
FEMALE.—Generally rich, dark rufous; foveal groove distinctly smooth at the bottom, with a very fine ridge dividing it indistinctly; a clouded patch in the cubital cell, but the patches in the discoidal cell faint or lacking; length 1.5 to 3.5 mm., averaging nearer 2.5 mm. Figures 165, 174, 178.
FIG. 26. CYNIPS ECHINUS VARIETIES ON QUERCUS DUMOSA AND RELATIVES
Showing geographic isolation of related insects.
GALL.—Very deep bowl-shaped, or vase-shaped, entirely without the spines found in the agamic forms of other varieties; a more or less regular cylinder or truncate cone attached by a not very narrow base, only moderately widened apically; the gall about as high as the apical diameter; the top of the gall more or less depressed centrally, making an irregular, thin edge which is only rarely dissected to suggest the