- 13 - 
PURPLE SCALE ( Le-d do sashes becki.i Newm.) 
California. M. L. Jones (February ?): Reported as causing medium damage in 
citrus throughout Orange County and severe damage locally on citrus 
throughout Santa Barbara County during November and December 1933. 
CI Till COLA SCALE ( Coccus p seudomagno 1 i ar um Kuw.) 
California. M. L. Jones (January 17): The citricola scale was reported as 
causing medium damage to 39,000 acres of citrus generally in Tulare County 
during December 1933. 
ITALIAN PEAR SCALE (Diaspis pyricola Del G.) 
California. M. L. Jones (February 7): In Sonoma County the Italian pear 
scale was causing severe damage to 3,000 acres of prune, apple, and pear 
trees locally during December 1933. Trie Napa County correspondent reports 
the bro^n apricot scale, Lecanlum corni Louche, and the Italian 'pear scale 
as causing medium damage to 15,000 acres of prunes generally during 
December. He notes that there has been a decided increase in the amount 
of spray material used throughout the county on these two pests, owing 
to a good price for the crop for the past year. He estimates that approx- 
imately 25 percent of the orchards in the county will be sprayed in 1934. 
CITRUS WHITEFLY , ( Pi al euro de s citri Riley & How.) 
Florida. J. R. Watson (February 26): The citrus whitefly is moderately 
abundant. 
Mississippi. G. I. Worthington (February 18): Slight infestation by the 
whitefly was noticed on gardenia at Cleveland in January. 
Alabama. J. M. Robinson (February 21 ) : The whitefly is moderately abundant 
at Audalusia on gardenia. 
SLACK CITRUS APHID ( Toxoptera aurantiae Boyer) 
California. M.'L. Jones (February 7): The black citrus aphid was common 
on citrus in Orange County in November and caused slight damage generally 
to citrus in December 1933. 
CITRUS RUST MITI ( Phyllocoptes oleivorus Ashm.) -**** 
Florida. J. R. Watson (February 26): The dry weather of the first part of 
the winter was responsible for an unusually heavy infestation of rust 
mites; at the same time it checked nearly all growth on young trees in 
the central part of the State, with the result that the green citrus 
aphid ( Aohis soiraecola Patch) is rather scarce at the present time. 
