Insect Galls. L37 



primus (Quercus rubra, Q. nana), 19, «S6. 



tinctoriae (Quercus coccinea, Q. velutina)", 22, 7 1. so. , 



Andricus 

 excavatus (Quercus), 17. 



flocei (Quercus nana, Q. alba), 25, 90. 



gallaestriatae (Quercus coccinea), 23, 82. 



imbricariae (Quercus nana), 25. 



petiolicola (Quercus alba, Q. prinus, Q. prinoides), 27, 96. 



piperoides ( (Quercus rubra), 19-20. 



singularis (Quercus rubra), 20. 



ventricosus (Quercus nana), 25, 92. 



Callirhytis 

 clavula ((Quercus alba), 27. 

 cornigera (Quercus palustris), 21. 

 fruticola (Quercus coccinea), 23, 82. 

 lutilis (Quercus alba), 27-28. 

 operator (Quercus nana), 4, 25-26, 92. 



palustris (Quercus palustris, Q. coccinea, Q. nana), 21-22, 84. 

 papillata (Quercus prinus), 31. 



punctata (Quercus rubra, Q. coccinea, Q. velutina), 3, 20. 

 pusulatoides (Quercus coccinea), 23. 

 saccularius (Quercus coccinea, Q. velutina), 23. 

 seminator (Quercus alba), 28. 

 similis (Quercus nana), 26, 90. 

 tuberosa (Quercus nana), 26. 



OYNIPS. 



(Most of the species arranged under this generic name have been 

 described as galls only, hence their assignment to the genus is provisional. ) 

 aspera (Quercus nana), 26, 74, 88. 

 caducus (Quercus prinoides), 31, 98. 

 constricta (Quercus rubra), 20, 76. 

 cristata (Quercus coccinea, Q. nana), 24, 86. 

 decidua (Quercus rubra), 20, 96. 

 frondosa (Quercus prinoides), 31, 98. 

 obovata (Quercus coccinea), 24, 74, 84. 

 prinoides (Quercus prinoides), 31-32, 98. 

 sera (Quercus coccinea), 24. 

 strobilana (Quercus alba, Q. platanoides), 28. 



Acraspis 



pezomachoides (Quercus alba), 28. 



Xanthoteras 



forticornis (Quercus alba), 28-29. 



