422 



BIOLOGICAL SURVEY OF 



Andricus Hartig (Callirhytis auet.) 



A. OPEEATOR 0. S. Record of capture lost. 



A. OPERATOR form OPERATOR O. S. Acom gall. Eobinson Mt., 



Sept. 7. The gall is an oval larval cell between the nut and 



cup of the acorn. On the scrub oak {Quercus ilicifolia). 



The agamic generation. 

 A. TUBERosus Bass. Eobinson Mt. Irregular wood galls on 



the scrub oak. 

 A. sciTULus Bass. Salisbury Cove; Bar Harbor. Irregular 



wood terminal swellings on the red oak (Quercus rubra). 

 A. siNGULARis Bass. 'Small oak apple gall.' Bar Harbor; 



Salisbury Cove, Aug. On leaves of the red oak. 



Amphibolips Eeinliard 



A. iNANis 0. S. Empty oak gall. Bar Harbor, Aug. 6. On 

 the leaves of the red oak. Bred from Quercus borealis 

 July 3 (Br.). 



Callirhytis Foerster 



C. OPERATOR (0. S.). Forms a fibrous gall on red oak, June 

 20- July (Br.). 



DiASTROPHUS Hartig 



D. TURGiDus Bass. Forms a gall on raspberry. Bred May 23 

 (Br.). 



Aylax Hartig 



A. GLECHOMAE Liuii. Cat-miut Gall. A globular gall on Nepeta 

 gleclioma. Great Head, Aug. '35. 



Genus near the above. Bred from a gall on a herbaceous 

 plant, July 5 (Br.). 



