FIELD BOOK OF INSECTS, 



More than three hundred different galls 

 have been listed. 



Leaves 



Plate XCVI shows Amphibolips confluentus (Fig. i), 

 spongy inside; A. inanis (Fig. 2), merely larval cell and 

 radiating threads inside; A. ilicifolics (Fig. 3); A. coelebs 

 (Fig. 5); Callirhytis futilis (Fig. 4), somewhat flattened, 

 projecting on both sides of the leaf, inside are kernels 

 kept in position by white filaments; C. papillatus (Fig. 7), 

 somewhat nipple-shaped, projects on both sides, sur- 

 rounded by a reddish areola; C. capsulus (Fig. 9); C. 

 palustris (Fig. n), hollow inside except for a loose kernel; 

 Andricus singularis (Fig. 6), something like a small inanis; 

 Andricus flocci, also called lana (Fig. 8), like a mass of 

 wool with brown kernels; Andricus petiolicola (Fig. 10), 

 many celled. 



On Plate XCVTI: Andricus piger (Fig. i), under side of 

 midrib; Cynips prinoides (Fig. 2), shiny, single-celled, under 

 side of leaf; Cynips pisum (Fig. 3), surface finely netted, 

 two cavities; Acraspis erinacei (Fig. 4), spines red when 

 young; Dryophanta polita (Fig. 5), sometimes grows singly; 

 Neuroterus floccosus (Fig. 6) , with white hairs, under side 

 of leaf; N. umbilicatus (Fig. 7), small nipple in deep, 

 central depression, under side of leaf; Cincticornia pilules 

 (Fig. 8), upper side of leaf; Cecidomyia poculum (Fig. 9), 

 pale red to light lavender, under side of leaf; Cecidomyia 

 niveipila (Fig. 12), fold lined with white pubescence. 

 Cynips decidua makes galls about the size of wheat-grains 

 on the under side of midrib, often 30 on a leaf. 



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