18 ANNUAL REPORTS OB DEPARTMENT OF 
The Division of [nsecticide [nvestigations analyzed these samples, 
and when a deficiency of lead arsenate was indicated, new applicat ions 
of the poison were made to the areas showing the Deed for it. 
Throughout the Japanese hectic regulated area the re-leading of 
Qursery plots was approximately one-half of the acreage treated in 
L938. The analyses indicated very Little Loss of lead arsenate con- 
tent during the year in those plots where the dosage was up to 
requirements Last year, A Dumber of the treated plots art* being 
abandoned in favor of the methyl bromide fumigation of uursery 
stock. Initial applications were made to L0.97 acres of uursery 
plots and heeling-in sections. 
A small increase was shown in the number of commercial establish- 
ments conforming to the requirements for classification. Class I 
listed L,926 of these establishments, da.— II r had :>7o. and the remain- 
ing I s were in an intermediate classification. The Dumber of un- 
infested nurseries increased by 89, hut there was a net decrease of 
9G in the number of infested properties. 
Traps set in tin 1 Norfolk, Ya.. area to indicate early emergence for 
193 ( J caught one beetle on May 29. 
CERTIFICATION OF FRUITS, VEGETABLES, AND CUT FLOWERS 
A maximum force of 177 men inspected farm products in the 
regulated area during the period of adult beetle flight in 
Forty-two inspection centers were in operation. Eight were in Dela- 
ware, 8 in New York. 6 in Maryland, 5 in Virginia, 4 in New Jersey, 
2 in Massachusetts, 2 in Pennsylvania, i in Maine. :) in Ohio. 1 in 
the District of Columbia, 1 in Connecticut, and 1 in West Virginia. 
The heavy flight of Japanese beetles in July in the New York City 
district necessitated the fumigation of refrigerator cars loaded with 
bananas. This Avas the first time such a measure was necessary in 
the area. During July 262 loaded cars were fumigated with methyl 
bromide. 
The flight of Japanese beetles in the Baltimore. Md.. area was the 
greatest in years. More beetles were found on shipments of farm 
products and cut flowers in 1 day during July than in the entire 
inspect i'»n period of L937. 
Prefumigation and screening of refrigerator cars used to haul 
products from the generally infested section were discontinued Sep- 
tember 10. The seasonal restrictions on fruits and vegetables were 
removed September 20. The restrictions on the movement of cut 
flowers continued in effect, however, until October r>. 
During the period of the quarantine on fruits, vegetables, and 
cut flower-, inspectors removed L660 adult heeties from 5,087,088 
packages of commodities certified for inspection. 
CERTIFICATES ISSUED, VIOLATIONS INVE8TIG LT1 ■>. AM) PROSEC1 TIONS 
TERMINATED 
A total <>f 553,804 certificates of all kinds were used to cover 
quarantined products moving to uonregulated territory during the 
year. 
