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INSECTS AFFECTING- GREENHOUSE 
AND ORNAMENTAL PLANTS 
GREENHOUSE LEAF TIER ( Phlyc taenia rubigalis Guen. ) 
C. R. Crosby (April 29): Caused considerable damage to 
chrysanthemums, snapdragons, and cinerarias in a greenhouse. 
C. A. Thomas (May 20): This insect has done some damage to 
snapdragons, etc., in a greenhouse in southeastern Pennsylvania. 
E. W. Mendenhall (May 10): Quite destructive on the strawoerry- 
geranium ( Saxaf raga sarmentosa ) and the Michaelmas daisies in the 
greenhouses in Springfield. It is destructive to a long list 
of plants in the greenhouse. 
HORNWORM S ( Sphingi dae ) 
0. I. Snapp (May 25): A very heavy infestation of hornworms 
lias developed in an ornamental nursery near Fort Valley, causing 
defoliation of many plants. 
E. I. Mc Daniel (April 28): Severe losses have "been suffered 
this season "by greenhouse men who grow Easter lilies. Infested 
plants are stunted, the lower leaves turn yellow and the plants 
often fail to flower. The roots of such plants always show the 
"bulb to be badly rotted and mites extending their activities 
into healthy tissue. Frequently stems are al so _ infested. 
GREEN PEACH APHID ( Myzus persicae Sul3. ) 
J. P. Kislanko (May): Cineraria, weeping lantena, and some 
other plants were very heavily infested with the green peach 
aphid in the greenhouses in Hattiesburg. 
TOMATO PSYLLID ( Paratrioza cockerelli Sulc. ) 
G. F. Knowlton (May 7); Adults are very abundant on matrimony 
vine at Plain City. Apparently the first generation lias largely 
matured before many potatoes are planted. 
JAPANESE MAPLE SCALE ( Leucaspis .japonica Ckll.) 
W. S. Britton (May 20): This scale has severely injured 
Japanese maple and flowering dogwood. 
THRIPS (Thysanoptera) 
W. J. Reid, jr. (April 27); Young azalea plants in the green- 
house of a nursery in Charleston are being seriously injured by 
