. Cooperative economic insect report. Beneficial insects; Insect pests. - 218 - APHIDS increased to abnormally high levels in late March in FLORIDA and built up in April to the highest in 9 years of record; but WHITEFLIES were less- numerous than usual in Florida citrus from October through December, when they are normally prevalent, CITRUS WHITEFLY (Dialeurodes citri) heavily infested groves of satsu- mas in East Baton Rouge, Tangipahoa and Plaquemines Parishes, LOUISIANA. CITRUS THRIPS (Scirtothrips citri) infestations in ARIZONA citrus were consider- ably later than in 1959, but became heav
. Cooperative economic insect report. Beneficial insects; Insect pests. - 218 - APHIDS increased to abnormally high levels in late March in FLORIDA and built up in April to the highest in 9 years of record; but WHITEFLIES were less- numerous than usual in Florida citrus from October through December, when they are normally prevalent, CITRUS WHITEFLY (Dialeurodes citri) heavily infested groves of satsu- mas in East Baton Rouge, Tangipahoa and Plaquemines Parishes, LOUISIANA. CITRUS THRIPS (Scirtothrips citri) infestations in ARIZONA citrus were consider- ably later than in 1959, but became heavy by mid-April. Control measures were successful in both the Yuma and Maricopa County areas, but in some untreated groves considerable damage occurred both to new foliage and small fruit. In CALIFORNIA, light to medium populations of citrus thrips occurred in Ventura, Tulare, San Bernardino, Riverside and San Diego Counties. Several other pests were reported on citrus in CALIFORNIA. KATYDIDS caused light damage to citrus limbs and twigs in the Arlington-Corona area of Riverside County, and LEAFHOPPERS were light on citrus in Tulare County. CLIMBING CUTWORMS caused light to mediiim damage to citrus in the Highlands area of Riverside County, and FRUIT-TREE LEAF ROLLER (Archips argyrospilus) was medium on citrus in Riverside County. ORANGE TORTRIX (Argyrotaenia citrana) was light to medium and PINK SCAVENGERWORM (Pyroderces rileyi) trace to medium in oranges in Orange Coxmty. WESTERN TUSSOCK MOTH (Hemerocampa vetusta) also damaged oranges in Orange County; and a TORTRIX (Clepsis peritana) was very light on citrus in Tulare and Riverside Counties, BROWN GARDEN SNAIL (Helix aspersa) was a general pest of citrus in the coastal counties from Santa Barbara County southward. The pest is usually controlled by baits or ducks, A PEEL MINER (Marmara sp,) was of localized importance on citrus during 1960 in Status of Mexican Fruit Fly MEXICAN FRUIT FLY (Anastrepha ludens) poses a t
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