-50- 
received fror Nutlev, '.'. J., on a oiece of elm bar':, showing a rather 
severe infestation. A scale, presumably this soecies, was found in 
great abundance on flowering dogwood at Wilton, Conn. 
OB S CUES SCALE ( Chry somphalus obscur:s 3omst.) 
Tennessee. G. M. Bentley (March): At Knoxville adults of Chiloccr '- 
bivulneru s Muls« were numerous and were feedirig on the obscure scale 
on elm. 
PIN E 
PINE NEEDLE SCALE ( Chionasois pinifoliae Fitch) 
Wisconsin. E. L, Chambers (March 20): Specimens of the nine needle scale 
are being sent in from many localities in southern '.visconsin and all 
seem to have escaped injury from the mild winter. 
INSECTS AFFECTING GREENHOUSE 
AND ORNAMENTAL PLANTS 
A FLOWER THRIPS ( Frankliniella cephalica Cwfd. ) 
Florida. J. R. Watson (March 23): The flower thrips F. ce nhalica is 
very abundant in most blossoms. With the advent of abnormally dry 
and hot weather in March, the increase -has been very ranid. The 
thrius is found in large numbers on ornamentals. 
OYSTER- SHELL SCALE ( Leuidosaphes ulrri L.) 
New York. R. E. Horsey (March 21): On March 13 the oyster-shell scale 
was common on a large ornamental planting of rosemary willow ( Salix 
incana ) at Rochester, almost every shrub being' infested. It was 
also found on noular trees nearby, but w?s not common. 
Indiana. J. J. Davis (March 21): The oyster-shell scale has been re- 
ported as abundant on lilac and ash in the northern half of the State. 
Colorado. G. M. List (Marc/. 19): The oyster-shell scale was less numerous 
this past season than for some tire, but aP"oarently the eg s :.?ve 
wintered well and we exuect some increase, especially on lil 
AR30RVIT E 
ARBORVITAE APHID ( Dilachnps thujafilins Del I :r.) 
Mississippi. C. Lvle (March 22): Inspector M. L. Grimes rencrts that anhidS; 
probably this suedes, are becoming abundant 0:- ar rvita.e Plants in the 
vicinity of Meridian. 
