82 



NEW YORK STATE MUSEUM 



Irregular, monothalamous or polythalamous thickenings of the mid or lateral 

 veins occurring on both surfaces, diameter 3 to 4 mm. Mex. Trotter 'i i , p. 128 



Cynipid. ? C y n i p s sp. 

 Pyriform or clavate, reddish vein galls, the expanded portion with a lateral ridge 

 and longitudinal striations; within a larval cell, height 6 mm, diameter 4.5 

 mm. Cal. Trotter '11, p. 117 



Cynipid. Andricus pistillaris Trott. 

 Nar ow, dark pu plish, fusiform, thin- walled swelling on the und-T side of the 

 mid or lateral veins may contain two or more larvae, length 8 mm. PI. 8, 

 fig. 9. Felt 'i6d, p. 159 



I:onid. Purple oak vein gall, Cincticornia podagrae Felt 

 Large, midrib fold with a conspicuous, white pubescence, the Laf frequently 

 deformed. Fig. 77, 78, 79. Stebb. '10, p. 17 



Itonid. Woolly fold gall. Cecidomyia niveipila O. S. 

 Elongate, pocketlike swellings along the midrib of round-leaved scrub oak, length 

 5 mm. PI. 8, fig. 3. Felt 'o8e, p. 411 



Itonid. Vein-pocket gall, Parallelodiplosis florida Felt 



Fig. '79. Woolly fold gall, 

 Cecidomyia niveipila 

 O. S., early stages of two 

 galls. (Original) 



Fig. 80. Oak blister gall, Neuroterus 

 Beutm. (Original) 



papillosus 



Elonga e fold gall close to the midrib on the under surface, leng h 12 mm, diameter 

 I mm, on Quercus, possibly identical with the preceding. 



Itonid. Cecidomyia oruca Walsh 

 Fusiform, thin-walled, striate, pale green vein swelling, length 5 mm, diameter 

 3 mm, on red oak. PI. 8, fig. 4. 



Itonid. Cecidomyia sp. a2728 



Globose or blisterlike, monothalamous leaf vein swellings more distinct on the 



upper side and with a minute nipple on the lower surface, diameter i to 1.75 



mm, on Q. alba and Q. .macrocarpa. Fig. 81, i. Beutm. 'loc, p. 121 



Cynipid. Neurotus niger Gill. 



Hemispherical or subhemispherical, pale brown, minutely crackled vein gall, 



diameter 4 mm, height 2.5 mm, on Quercus sp. Fig. 107, 10. Beutm. 'loc, 



P- 125 



Cynipid. Neuroterus cockerelli Beutm. 

 Oval, thin-walled, monothalamous vein swellings covered with a dense, brown 

 pubescence, on Q. alba. Fig. 53, 10. Beutm. 'loc, p. 128 



Cynipid. Neuroterus pallipes Bass. 



