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\7.' LNUT '■' 
7,'ALNUT HUSK MAGGOT (P/ .iggolctis Jug land is Cress.) 
California Monthly News Letter Los Angeles County tort. Comnu Vol. 
10, No. 7, July 15: Burii g the past two or three seasons 
English walnuts from orchards near Chino on the Los 
Angeles -San Bernardino County line have been under suspi- 
cion of infestation with a husk maggot, a species of insect 
belonging to the family of fruit flics and not - itely 
known to occur in the State* Until recently, however, only 
adults of local scavenger flics had been r ared from repeated- 
ly collected infested material. Recently adult specimens 
of the Walnut hurt maggot determined by Dr. J# M« Aldrich, 
U. S„ National Museum, Washington, D. C. , were reared by 
H t M« Arm it age, Deputy Horticultural Commissioner, Lor , 
from material collected in this same locality in October, 
1927. 
WALNUT APHID ( Chromaphis iu.qlicola Kilt.) 
California Monthly News Letter Los Angeles Count) Sort, Core;-.. Vol. 
10, So. 7 , July 15: A recent heavy infestation of walnut 
aphid throughout the walnut districts has recently caused 
considerable attention due to the rapid \ . oing of the 
foliage from the "sootymold" fungus growing in th_ honey- 
d.rr copiously secreted by these insects. Che ini ' tion 
has apparently passed its . c3 e of the ashy- 
gray ladybird beetle, a most -f r "ectiv., ; of this pesti 
are everywhere over foliage and bi rk of ini 1 trees, and 
together with a few days of hot weather should bring about 
early effective control. 
CIT 
CITROPHILUS MEALYBUG ( Pecudococcus gahz :. n) 
r ornia Monthly News Letter Los Ang lefl County Hort. Co:r:% Vol. 
10 No. 7, July 15l According to the report of Deputy 
Horticultural Commissi* , of 
Insectary Op n tiom , lcr> were distributed ov 
ately 8,000 acres of citrus count . 
BLACK SCALE (c_ i.) 
California Monthly News Le1 -lee Coi rt. Cor:. . Vol. 
10, No. 7, July 15: The hatch of b l . is practically 
ccrap? te in all districts and in - • : . the you:. 
BoaloB iro report rablc Lt "30 
ilesalr Lng back *o thi wo< . 
