- 5 U- 
GHAPE 
. GRAPE LEAFHOPPER (S rythroneura comes Say) 
California. C. S. Morley (March S): Grape leafhoppers are very abundant in 
Kern County. Vineyards are "being plowed and trap crops left for the 
leafhoppers to hibernate in for the remaining few days of hibernation. 
The hoppers are very active during the present warm weather. 
PECAN 
OBSCURE SCALE ( Chrysomphalus obscurus Comst.) 
Louisiana, C. 0. Eddy (March 2U) : Obscure scale is reported very numerous in 
northeastern Louisiana. 
CITRU S 
A LONG-HORNED BORER ( Prionus sp.) 
Arizona. C. D. Lebert (March l): The large larvae of P. californicus Mots, 
or P. heroicus Semen. , or both, have been found in several citrus groves 
northeast of Phoenix. Severe tunneling and, in some cases, complete 
girdling of the trunks from 3 "to 6 inches below the soil level have been 
observed. There are from one to six larvae per tree. 
GREEN CITRUS APHID ( Aphis spiraecola Patch) 
Florida. J. R. Watson (March 22): The green citrus aphid has been extremely 
abundant during the last month. The spring flush of growth has been pro- 
longed over an unusually long period this year, affording the citrus 
aphid a continuous food supply. It is extremely abundant in the main 
Citrus Belt of central and southern Florida. The Chinese ladybeetle, 
Lei s dimitata quinquedecimspilota Hope, has continued to spread and has 
now reached Seminole County, in central Florida, and is in Broward 
County, in the southeastern part of the State. 
COTTON APHID ( Aphis gossypii Glov. ) 
Texas. S. W. Clark (March 19): Abundant on limes and certain species of 
oranges at Weslaco. 
PURPLE SCALE ( Lepidosaphe s be-cki i Newm. ) 
Louisiana. C. 0. Eddy (March 2U): Purple scale is common on citrus in 
southern Louisiana. 
CITRUS RUST MITE ( Phyllocoptes olei vorus Ashm. ) 
Louisiana. C. 0. Eddy (March 2U): It is reported that the citrus mite is 
unusually numerous because of the mild winter. 
Texas. S. W. Clark (March 15): P. oleivorus is more than usually abundant 
for this time of year at Weslaco. 
A MITE ( Anychu s clarki McG. ) 
Texas, S. W. Clark (March 15): Very few specimens of A. clarki observed. This 
mite is usually abundant at this time of year at Weslaco. 
