-178- 
CHRYSAIJTH5M UM 
CHRYSANTHEMUM GAIL MIDGE ( Diarthronomyia hypogaea Loew) 
E. W. Mendenhall (May 25): The chrysanthemum midge lias "been 
held down pretty well in the greenhouses at Springfield hut 
began to show some increase this spring. 
GLADIOLI 
GLADIOLUS THRIPS ( Taeniothrips gladioli M. & S. ) 
B. H. Walden (April and May): Many of the small growers who 
did not treat the corms during the winter are finding them 
infested this spring. 
W. G. Weigle (April 30): I collected specimens of the gladiolus 
thrips on gladiolus in Los Angeles County April 30. (Det. by 
H. Morrison.) 
GRAPE MEALYBUG ( Pseudococcus maritimus Shrh. ) 
E. I. Mc Daniel (April 30): P. maritimu s are common on 
"glad" corms stored in warm Quarters at East Lansing. 
HOLLY 
HOLLY LEAF MINER ( Phytomyza ilicis Curt.) 
E. IT. Cory (May 13): Found in Prince Georges County. 
IRIS 
IRIS BORER ( Macronoctua onusta Grote) 
J. A. Munro (May 23): Specimens from Oliver County were sent 
in and were reported to have practically destroyed a fair sized 
planting of iris. 
LARKSPUR 
AW APHID ( Aphis rociadae Ckll. ) 
J. P. Kislanko (May 5): An unusually heavy infestation on 
larkspur was observed in Hattiesburg. 
CYCLAMEN MITE ( Tarsonemus pallidus Bks. ) 
E. L. Chambers (May 25): Delphiniums in several gardens near 
Milwaukee have been seriously injured by cyclamen mite. 
