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Indiana University Studies 
GALL DIAGRAMS, EUROPEAN CYNIPS 
X 6 
Fig. 117. C. folii, showing some histologic details. Redrawn after 
Beyerinck. 
Fig. 118. C. divisa divisa, showing epidermal, parenchyma, protective, 
and nutritive zones. 
Fig. 119. C. cornifex, showing epidermal, collenchyma, parenchyma, 
protective, and nutritive zones. Empty cavity above larval cell. 
Fig. 120. C. agama, showing epidermal, parenchyma, protective, and 
nutritive zones. 
Fig. 121. C. folii taschenbergi, showing epidermal, undifferentiated (and 
nutritive?) zones. 
Fig. 122. C. longiventris longiventris, showing some collenchyma layer 
beneath epidermal zone. 
Fig. 123. Histologic detail, C. disticha, showing collenchyma (“com- 
pact crystalline”) layer under epidermis. Empty cavity above larval 
cell. Redrawn after Weidel. 
Fig. 124. C. disticha, showing distinct collenchyma layer under epi- 
dermis. 
