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1IAUTICAL 3CRER ( Xylotrechus nauticus Mann.) 
California. H. C. Donohoe (June 8): In November . 193&* a number of large limbs 
in an old planting of English walnuts in Fresno County, in the San Joaquin 
Valley, "broke off. Examination of the trees showed that, although .appa- 
rently healthy, they were riddled "by these "borers. This year adults 
emerged from the material in April and May. 
CITRUS 
CITRUS WHITEFLY ( Dialeurodes citri Ashm. ) 
Florida. H, T. Forhald (June 2J>)l A new generation of adults is "beginning to 
appear in the vicinity of Orlando. 
Mississippi. C. Lyle (June 2U): Some heavy infestations on ornamentals in 
southern Mississippi were observed about the middle of June.' N. D, Deets 
reports the insect as abundant in the southwestern part of the State. 
Louisiana, I. J. Becnel (June 25): p_. citri ^ s present in all stages on citrus 
in Plaquemines Parish. 
GREEN CITRUS APHID (Aphis spiraecola Patch) 
Florida, H. Spencer (June 2^): Infestations have been particularly severe on 
orange and grapefruit trees in the main citrus district, on lime trees on 
the Keys, and on terminal new growth of Satsumas in the northern counties. 
The aphid was first noticed of late in December 193& on Merritt's Island 
off the east coast, and during the blooming period considerable damage was 
done. The outbreak is now rapidly subsiding. 
SCALE INSECTS (Coccidae) 
Louisiana. I, J, Becnel (June 25): Heavy infestations of Lepidosaphes beckii 
Newm. are occurring in several citrus groves in Plaquemines Parish. The 
insect is mostly in the egg stage, although a few crawlers and young 
nymphs are present. Several heavy infestations of Coccus hesperidum L, 
are occurring. This species' is mostly in the adult stage. Many specimens 
of L. gloverii Pack are also present. 
CITRUS MEALYBUG ( Pseudococc us citri Risso) 
Florida. H. Spencer (June lU): The citrus mealybug is becoming abundant in 
orange and grapefruit groves in central Florida and the upper east coast 
fruit belt. 
CITRUS RUST MITE ( phyl lo coptes oleivorus Ashm.) 
Florida. J. R. Watson (June 25): Rust mites are very abundant in citrus groves. 
Spraying is general. 
Texas. N. 0. .Berry (June 5): The infestation in the Rio Grande Valley appears 
to be about normal. , LIBRARY 
STATE PLANT BOARD 
