718 
PSYLLINA. 
LiVIIDiE. 
Livia juncorum. Latr. Not common. 
A PH ALA RID a:. 
liiiiNOCOLA ERiC/E. Cul't. Mouscholcl Heath ; local. 
ACERis. Linn. On Maple; local. 
Apiialara exilis. Weber et Mohr. ) 
„ CALTH.E, Linn. I Occasionally by sweeping. 
PsYLLIDyE. 
PsYLLOPSis fraxinicola. Foi'st. Oil various trees and hushes ; 
common. 
„ FRAXiNi. Linn. Common on young Ash trees. 
PsYLLA PRUNE Scop. Common on Blackthorn. 
„ COSTATOPUNCTATA. Porst. = FEHRUGiNEA. Foi’st. On various 
trees and bushes occasionally. 
,, COSTALIS. Flor. ■) 
i Tai f Oil Wli 1 tcthom. 
., PEREGRINA. 1 Orst. = CRATyEGICOLA. Flor. j 
,, MALI. Schdbg, On Crab-apple. 
,, visci. Curt. On Mistletoe. 
,, PiNETi. Flor. Common on Fir trees. 
,, SALicicoLA. Forst. On Sallows ; not common. 
„ iiARTiGii. Flor. = sYLvicoLA. Letli. Occasionally by 
sweeping. 
Lowii. Scott. Not uncommon on Birch. 
Forsteri. Flor. ) 
T- ^Common on Alder. 
ALNi. Linn. J 
Buxi. Linn. Common on Box trees. 
SPARTii. Guer. | 
)> 
AryTsEna GENiaTyE. Latr. j 
Common on Broom. 
TniOZIDyE. 
Trioza urtiCsE. Linn. Abundant on Nettles, &c. 
„ GALii. Fcirst. Occasionally by sweeping. 
„ REMOTA. Forst. = HyEMATODES. Fbi’st. 'i By beating Fir ti’ces 
Fbrst. ^ in winter and 
,, ALBIVENTRIS. 
,, RHAMNI. Schrk. 
spring. 
