PLATE 2 



68 Amphibolips confluentus Harr., oak. 



304 Atnphibolips prunus Walsh, oak. 



212 Callirhytis saccularius Bass., oak. 

 116 Aulacidea podagrce Bass., oak. 

 332 Andricus formosa Bass., oak. 



169 Callirhytis operator 0. S., spring form on catkins, oak. 



169 Callirhytis operator O. S., fall form on acorns, oak. 



182 Andricus osten-sackeni Bass., oak. 



8 Callirhytis se7ninator Harr., oak. 



103 Neuroterus floccosus Bass., oak. 



160 Neuroterus vesiculus Bass., oak. 



213 Andricus piger Bass., oak. 



[70] 



