Synoptical Table of Oak Galls. 169 



Not sunk, attached by a point, covered with 

 golden silky hair, round, centre depressed, in 

 Autumn. 3. Neuroterus numismatis. 



Not covered with golden silky hair, flat, almost 

 glabrous, margins turned up, centre bossed. 



2. Neuroterus laeviusculus. 



Covered with stellate hairs, top convex. 



I. Neuroterus lenticularis. 



Top concave, bottom pilose, edges curled up. 



4. Neurotefus fumipennis. 



B. On margin of the leaf. 

 No inner gall : 



ovoid, smooth, 1-2 mm., June and July, N. albipes. 

 spindle-shaped 

 shortly - stalked, green with red ribs, apex 

 pointed, 6-8 mm.. May — June. 



20. Aphilotrix seminationis. 



not stalked, oval, granular, glossy, green or 

 reddish, spotted, brown when old, 4 mm., 

 Ma3^, on half-grown leaves, shoots or buds. 



16*. Spathegaster verrucosus. 



glabrous, green striped with red, longitudinally 

 ribbed, 4-5 mm., May and June, on fully 

 developed leaves, always sessile. 



21. Aphilotrix marginalis. 



With an inner gall : 



Irregular, round or oval swelling at base of leaf, 

 green with large cavity containing small brown 

 inner gall in May. 9^. Andricus curvator. 



C. In the midrib or leaf-stalk. 



Small elongated tumid thickening of mid-rib or 

 leaf-stalk. 6*. Andricus testaceipes. 



II. On Buds. 



Polythalamous : large spongy, apple-like, on terminal 

 buds in May. 17=''. Teras terminalis. 



