-49- 
pine(rinus cembra) at Rochester. They shoved no winter mortality. 
Probably about 5 percent of the scales have been removed fro a the trees 
by the ice, not enough to count as a control measure, as plenty of 
scales with live eggs rere still on the trees. 
Pennsylvania. E. P. Felt (March 24): The pine leaf scale was found 
occasionally abundant on pine needles, especially on Austrian nines, 
in the Philadelphia district. 
Colorado. G. M. List ('larch 17): The pine leaf scale is unusually numerous 
on spruce sjid pines in most of the cities of the State. In some 
localities the infestation is ouite heavy on i'orest trees. 
FLAN-ili -LXt-i-j-LJ 
GIANT APHID ( Lon-istircna caryae Harr. ) 
Pennsylvania. E. F. Felt (l!arch 24): Eggs of the giant aphid were rather 
common on the under side of ->lane tree branches in the Philadelphia 
district. 
SYCAMORE LAC13UG ( Corythucha ciliata Say) 
Pennsylvania. E. P. Felt (March 24): Lacebugs are somewhat abundant under 
the bar]- scales of American -olane trees in southeastern Pennsylvania. 
P'OFIAR 
FOPLAE VAGABOND AFHID ( Mordwilhoja va/.:abunda 7alsh) 
New York. H. 3. Horsey (March 23): Shrivelled and dried remnants of the 
vagabond gall ( Pern-phi :<rus vagabundus 'Jal sh ) are quite, conspicuous on 
a number of -ooplars at Rochester. 
SPRUCE 
SPRUCE GALL A" HID .( Cherries abietis L. ) 
Delaware. E. P. Felt (March 24): The spruce gall aphid is somewhat 
prevalent in the vicinity of Wilmington, some trees being badly in- 
fested. 
Pennsylvania. E. P. Felt (March 24): The spruce gall aphid is somewhat 
prevalent in southeastern Pennsylvania and some trees are badly 
infested. 
New York. P. J. Farrott (March 19): Nymphs of the spruce gall aphid 
moderately abundant in western New York. 
