810 HISTORY or GLANVILLE'S WOOTTON. 



8. Psylla pineti, Flor. Abundant. 



9. P. cratsegicola, Forst. Abundant. 



10. P. fraxini, Linn. Abundant. 



11. P. costatopunctata, Forst. Not common. 



12. P. senecionis, Scop. Not common. 



13. P. nervosa, Flor. Not common. 



14. P. aceris, Linn. Common. 



15. P. betulse, Linn. Common. 



16. P. abieticola, Forst. Common. 



17. P. hsematodes, Forst. Abundant. 



18. P. sylvicola, Lath. Common. 



19. P. urticse, Linn. Abundant. 



1. Trioza Walkeri, Forst. Common on the buck- 

 thorn bush which grows in Marvell's hedge 

 (but nowhere else in the neighbourhood), from 

 August to October. 



1. Livia juncorum, Latr. Abundant. 



Thripidce. 



1. Phlseothrips tristis, Hal. Very rare. Taken by 

 my father from under the bark of fir poles, 

 close to the Somersetshire Gate, on September 

 6th, 1841. 



%. P. coriacea, Hal. This, the largest species of the 

 family, I have taken off oak trees in July. 



3. P. ulmi, Fab. Under the bark of oak trees. 



4. P. aculeata, Fab. Not common. 



1. Heliothrips adonidum, Hal, Off flowers in the 

 greenhouse. 



