PLATE 20. 



Fig. 67. Diastrophus nebulosus, high blackberry. 



— 68. Diastrophus cuscutaeformis, blackberry. 



— 69. Diastrophus bassettii, running blackberry. 



— 70, Diastrophus bassettii, running swamp blackberry. 



— 71-72. Cecidomyia ? reniformis, strawberry. 



— 71. Ending leaf growth. 



— 72. At base of petiole. 



(104) 



