- 599 ' 
Stanislaus County made on OctolDcr 28 the anount of fruit infested for the 
different fields ranged frora less t^ian 1 percent to l6, 5 Pprcont, Average 
infestation ■'■'vas close, to. 3»'5 The field with l6»5— inf>^staw 
t.ion wos- on the wes t e.rn . s xde pf the county, where- a. large acreage of "beans is 
gra”n, leading to the belief that a large population oi noths built up on 
the bean cro]p, novinr.! over to the tonatocs after the beans had matured* 
J, Ck Elmore (September, 26)-: Damaging bean pods at Yorba Linda, Orange 
County, 
TOKIATO PIM/OEIvI ( Cnor inos chona lycopers icella Busck) 
Pennsylvania, C, A, Thomas .(October 2G)t C.areful examination of greenhouses 
and gardens-* in the. dies tor County and- New. Gastlft areas, during the spring and 
summer of 193^ ha'v.e failed to sho’^.' a single specimen^ of any sta,ge of the pin- 
worm, Crop rotation, onittinf"; the fall tomato crop and substituting a flower 
crop, has had the des.irod effect of starving the p.inwom out* 
■f ' ■ ^ 
California, A. E, ^Michelbacher (October 20): Inf ^--s tat ion in tomato fields 
around Madera, Madera County, on October 6 ranged from 17 to 67 percent. Be- 
cause harvest had been completed from 4 to 6 weeks the infestation was caus- 
ing no serious loss. It was stated by the growers that the infestation was 
very light .at the tine -harvest -was finished, (October 25) ! Pinworn survey 
made in "Merced CdiSty'bn~'Oct ober 24, Most of fields had bee.n plovred ■under 
after harvest. In fields where tomatoes had not b<?en jjlowed under infesta- 
tion of fruit range.d from 7*5 "to 25,0 percent.. Infestation in most fields 
was close to 25 percent.,,. In one 90-^^-cre .planting two rows of tomatoes on 
'either bank of an irrigation ditch had not been plowed, under. Foliage was 
severely injured and 91,5 percent of the fruit as ■ infested, , ^hen this field 
■ was surveyed late in, July no evidence of pinworn -was found. First pinwora 
taken in the county ’was on July 18 ajid infestation was extremely light, at 
least during August, (October ^9),* ■ 3,200 fruits picked .and examined in a 
survey on October 28. of -toma,to fields in Stanislaus' County, 1 was found in- 
fested with larvae’, 
J. C, Elmore .( Oct o"ber 19)j Infestations ha,ve^been from 5 "to 10 percent 
of the fmaits in most of dhe 1 owl. and areas' along the coast in the southern 
part of the State, In highland are ras of almost continuous tomato growing, 
inf os t.at ions of the fn,rits have run from 22 to jG percent in untreated plots* 
POTATO TUBER' MOTH ( Gnobimos chena operculella Zell,) 
California, A, E, Michelbacher (October 20); On September 27 in San Joaquin 
County a single tomato was found infested with three larvae. On October l4 
in Yolo County a single tomato vras found infested with a larva. This marks 
the first time a tonatc has been observed to be infested with potato tuber 
noth larva in Yolo County, Inf os teat ion .at Pleasanton, Alameda Connty, aver— 
a/<ed less than 1 percent. (October 27) s In a survey of tomato fields in 
Alameda County on October 2o the anount of fruit infested by larvae ranged 
from 0 to 6,25 percent. (October 29): In a total of 3,.20o'’ fruits picked .and 
examined in a survey on October 28 of tomato fields in Stanisla.us Coi’nty, 2 
•were found infested with LarVae, 
