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without showing any appreciable winter killing. There seems to be an 
abundance of the adult psyllas which -survived the winter. 
Connecticut. P. Carman (April 23): Pear psylla eggs were observed in 
commercial orchards in New Haven County. 
New York. N. Y. State Coll. of Agr. Hews Letter (April): The pear psylla 
was abundant and laying eggs in the Hudson River Valley during the middle 
of the month, and by the third week eggs were very plentiful throughout 
that region and also in western New York. (Abstract , J. A. H.) 
Michigan. R. Hutson (April 20): The pear psylla is moderately abundant and 
laying eggs. 
CHERRY 
BLACK CHERRY APHID ( Myzus cerasi. Fab . ) 
Montana. A. L. Strand (April 2): The ..cherry aphid is prevalent in large 
numbers throughout cherry orchards in the vicinity of Flathead Lake. 
PLUM 
RUSTY PLUM APHID ( Hysteroneura setariae Thos.) 
Georgia. 0. I. Snapp (April 19): This insect is now abundant on plum at Port 
Valley. 
Mississippi. C. Lyle (April 23): Plum twigs showing heavy infestations were 
received from Hattiesburg, Forrest County, on April 2, and from Lombardy, 
Sunflower County, on April 23. 
CITRUS 
A SCALE INSECT ( Margarodes rileyi Giard.) 
Florida. J. R. Watson (April 23): Considerable interest has been aroused 
among citrus growers ~oy the discovery in citrus groves in Polk and Lake 
Counties of a species of Margarodes, provisionally identified by H. 
Morrison as M. rileyi . We have found as many as 4,000 live cysts in two 
quarts of soil taken around citrus roots. Trees in this situation have 
a very unthrifty appearance. The adults began to emerge about the middle 
of the month and the first eggs were found on the 19th. 
CITRUS WHITEFLY ( Dial euro des citri Riley & How.) 
Florida. H. T. Fernald (April 20): The citrus whitefly was very abundant in 
Orlando the first two weeks in April. 
Mississippi. C. Lyle (April 23): Cape jasmine leaves showing a heavy infes- 
tation were received from a correspondent at Way, Madison County, on 
April 18. 
D. W. Grimes (April 20): The citrus whitefly is moderately to very 
abundant on privet and cape jasmine at Cruger and Durant in Holmes County. 
