BRITISH GALL-INSECTS. 7 



poses. Read an interesting note on the naturalization of this 

 species by Dr. R. C. R. Jordan, E. M. Z'.Iag. viii. p. 51. 



IT. BlORHIZA. 



9. aptera, Fab. (Marsliall, E. M. Mag. iv. p. 17'2 ; Smith, 



Proc. Ent. Soc. Lond. 1869, 25 (gall above ground); 

 Miiller, Zoologist, 1870, p. 2028, Scent.). 



10. 7'enum, H. Gir. (Miiller, Proc. Ent. Soc. Lond. 1870, 



34, gall). 

 Bred from distinctly reniform, flattened, small pale-green 

 galls, seated in numbers on the underside of oak-leaves. The 

 galls are full grown by the end of October, \Yhen they drop 

 to the ground. ^lonothalamous ; diameter seldom more 

 than t\vo millim. ; if not stung by inquilines, they swell up 

 diirins^ the winter, and assume a more or less reo^ular eg-o;- 

 shape; insect appears in early summer. Shirley. 



III. Neuroterus. 



11. numismatis, Oliv. = C. Qiiercus-tiarcB, Curtis (Gar- 



dener's Chronicle, 1843, p. 52 ; N. Heaumuri, H., 

 Marshall, E. M. Mag. iv. p. 147). 

 Bred from the silky button-galls on underside of oak- 

 leaves. Exceedingly numerous this autumn. Shirley. 



12. lenticular i^f Oliv. (3Ialpighuj H., Marshall, E. Zsl. 



Mag. iv. p. 124). 

 Bred fi'om the common oak spangle, with depressed outer 

 margin, covered with rusty-brown pubescence. 



13. fu7?iipenms, H. (Marshall, E. M. Mag. iv. p. 125). 

 Bred from smooth, greenish, then purplish, cup-shaped 



spangles, with depressed centre and raised margins. 



In the E. M. Mag. iv. p. 147, we read that Mr. Par- 

 litt and Mr. Kidd have both bred N.fumipeiinis from hairy 



