20 TIIK ENTOMOLOGIST. 



in small numbers; Eynsford, 1898, on weeping willows; Canterbury, 

 1897, &c. 



Genus Callipterus, Koch. 

 Callipterus coryli, Goetze. — Wye, Linton, June to October, on 

 hazel and on cultivated cob and filbert nuts. 



Genus Pterocallis, Passerini. 



Pterocallis jiiglandicola, Kaltenbach. — Wye, on walnuts, in 1894. 

 Not seen since. 



P. tilice, Linnaeus. — Wye, Ashford, Canterbury, Tunbridge Wells, 

 Ramsgate. Frequently in enormous numbers on limes. 



Genus Psyllaphis, Koch. 



Psyllaphisfagi, Linnaeus. — Wye, Kennington, Canterbury, Linton, 

 on copper beech and common beech ; sometimes harmful. 



Genus Ptychodes, Buckton. 

 Ptychodes juglandis, Finch. — Wye, in 1897, 1901, and 1907, on 

 the upper surface of walnut leaves in swarms, but doing no apparent 

 damage. One colony found in August, 1910. 



Genus Lachnus, Illiger. 



Lachnus 2^'''"'^(^olus, Kaltenbach. — Kennington, in 1904, East 

 Peckham, on Scotch fir, 1906, July. 



L. viminaUs, Boyer de Fonscolombe.^Wye, in profusion in my 

 garden and along railway on various Salix in 1904 ; some colonies 

 eight inches long. 



L. picece, Walker. — Wye, Kennington, 1901 and 1906, both years 

 in July, and after x\ugust 7th in 1901, and August 20th, 1906, they 

 all disappeared. On the silver fir and the spruce. 



Genus Trama, Heyden. 



Trama troglodytes, Heyden. — Wye, on the roots of sow-thistle 

 and on lettuce, often common. 



SCHIZONEUEINiE. 

 Genus Schizoneura, Hartig. 



SchizDiieura lanigera, Hausman. — ^All over the county on apple, 

 both root and stem forms occurring and doing much harm. Occa- 

 sionally found on the pear and on wild crabs. 



S. fidiginosa, Buckton. — Wye, in Olantigh Gardens, in 1908, in 

 numbers on Pinus sylvesti'is from June to September. Not seen 

 since. 



<S'. ulmi, Linnaeus. — Wye, Canterbury, Bearstead, Maidstone, 

 Ashford, on elms. 



S. fodiens, Buckton. — -Wye, Bearstead, Swanley, Canterbury, 

 Tenterden, Paddock Wood, Faversham, Maidstone, Longfield (1908). 

 Common on currant roots. Buckton's S. fodiens on currant roots is 

 one form of the leaf-curling elm Schizoneura mentioned above. 



