GREENHOUSE AND ORNAMENTAL PLANTS 
ROSE 
ROSE LEAFHOEPER ( Empoa rosae L .) 
New York, ' E. P, Pelt ( May G) " Rose leafhopper young were abundant on the 
under side of rose leaves at Nassau, Rensselaer County. H 
R. Ma the son ( May 23) " Very abundant on rarbler roses at Ithaca. •' 
M. D. Leonard . " Badly infested rose leaves received from 
Ensenore. One nymph apparently in the fourth stage- " 
Ohio. H» A, Gossard, " The rose leafhopper has appeared in numbers on 
rose foliage at Yiboster, the nymphs now being nearly grown. They 
have yielded quickly to spraying with nicotine sulphate, where 
this has been applied, " 
ROSE APHID ( Macro siphun rosae L. ) 
New York, M, D. Leonard ( May 20) " Rugosa roses with buds and terminal 
growth now considerably infested with these aphids at Ithaca. " 
Ohio. H. Osborn ( May 12) " Quite numerous at Columbus, injury not 
especially noticeable and natural enemies are likely to control 
them. " 
ROSE SCALE ( Aulacaspis rosae Bouche. ) 
New York. M. D. Leonard ( May 26) " A large bed of Rugosa roses badly 
infested at Ithaca. " 
ROSE CHAFER ( Macrodactylus subspinosus Fab.) 
Delaware, C. 0. Houghton ( May 9) M Took first adults of the season at 
Newark, today. " 
ROSE MIDGE ( Dasyneura rhodophaga Coq.) 
Indiana. H. F. Dietz ( May 17) " Rose midge began to show up after the 
middle of March due to warm weather. " 
IRIS 
GARDEN SLUG ( Agriolimax agrestis L.) 
New York. R. Matheson ( May 15) " Leaves badly damaged by this pest in one • 
bed at Ithaca ." 
