661 



DECIDUOUS FRUITS AND NUTS 



CODLING MOTH ( Laspeyresia pomonella ) - UTAH - Moderate to severe in Salt Lake and 

 Davis County orchards (Burningham) , moderate in Washington County apple and pear 

 orchards (Huber) and in Juab County. (Esplin) . 



PEARSLUG (Caliroa cerasi ) - UTAH - Severe in some Cache, Davis, Salt Lake, Utah, 

 Tooele County cherry orchards (Burningham, Burtenshaw) , moderate in Juab County 

 (Esplin) , light in Washington County (Huber) , and Iron County (Sjoblom) . 

 (Knowlton) . 



PECAN WEEVIL ( Curculio caryae ) - OKLAHOMA - Moderate to heavy on pecans in Rogers 

 County; adults still emerging. Moderate in Kay and Marshall Counties. (Okla. Coop. 

 Sur.) . 



PEACH TWIG BORER ( Anarsia lineatella ) - CALIFORNIA - Larvae 3 per stem on almond 

 trees in Tracy, San Joaquin County. (Cal. Coop. Rpt.). 



BLACKMARGINED APHID ( Monellia costalis ) - OKLAHOMA - Still moderate to heavy on 

 pecan in many areas. Reported from Rogers, Cleveland, Marshall, and Cotton 

 Counties. (Okla. Coop. Sur.). 



A LEAFMINER FLY - SOUTH CAROLINA - Probably Li thocolletis caryaef oliella heavy in 

 50 acres of pecan trees in Calhoun County. Larvae, pupae, and adults present. 

 Heavy defoliation; 50+ larvae miners per leaf. (Nash). 



CITRUS 



Insect Situation in Florida - End of August - CITRUS RUST MITE ( Phyllocoptru ta 

 oleivoral infested 78 (norm 50) percent of groves on leaves; economic in 54 

 (norm 33) percent and infested 86 (norm 60) percent of groves on fruit; economic 

 in 70 (norm 44) percent. Decreased on leaves and fruit but both still above 

 normal and at high level. Little change expected. All districts in high range. 

 CITRUS RED MITE ( Panonychus citrl ) infested 47 (norm 49) percent of groves; 

 economic in 24 (norm 19) percent. Population at normal low level. Little change 

 expected. All districts low. TEXAS CITRUS MITE ( Eutetranychus banksi ) infested 

 19 (norm 23) percent of groves; economic in 4 (norm 9) percent . Population con- 

 tinued to decrease. Below normal and very low. Little change expected until fall 

 increase begins in early October. GLOVER SCALE ( Lepidosaphes gloverii ) infested 

 64 (norm 44) percent of groves; economic in 7 (norm 8) percent . Population above 

 normal and in moderate range. Slight decrease expected. Highest district south. 

 PURPLE SCALE (L. beckii ) infested 49 (norm 44) percent of groves; economic in 

 2 (norm 2) percent. CHAFF SCALE ( Parlatoria pergandii ) infested 32 (norm 34) 

 percent of groves; economic in 1 (norm 3) percent. YELLOW SCALE ( Aonidiella 

 citrina ) infested 24 (norm 24) percent of groves; economic in none (norm 7) 

 percent . All at or below normal low level in all districts. Little change 

 expected. BLACK SCALE ( Saissetia oleae ) infested 53 (norm 57) percent of groves; 

 economic in 32 (norm 36) percent. Hatch of new brood of crawlers will cause popu- 

 lation to remain in moderate range which is near normal for September. Decrease 

 expected in October. Highest districts east and central. AN ARMORED SCALE 

 ( Unaspis citri ) infested 29 percent of groves; economic in 21 percent. Population 

 near level of past 3 months and higher than in any prior August. Increase 

 expected. WHITEFLIES infested 73 percent of groves; economic in 18 percent. 

 Population slightly above normal and moderate. Adults increasing and starting to 

 deposit eggs on early fall flush. Highest districts west and east. (W.A. Simanton 

 (Citrus Expt. Sta., Lake Alfred)). 



