pest populations

Scout to Stay Ahead of Pest Populations

Daniel CooperPests

It is much better for Florida citrus growers to be proactive than reactive when managing pest populations. Scouting and monitoring citrus groves is crucial for growers who hope to thwart off impacts from insects like the Asian citrus psyllid (ACP). If growers are not successful, they will be behind the eight ball in minimizing the impact of these annual pests. …

sting nematode

Integrated Pest Management Needed for Sting Nematode

Daniel CooperPests

By Maegan Beatty During the recent citrus insect management workshop at the University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center, Larry Duncan, a nematology professor, discussed the sting nematode. First recognized in the 1980s as a pest of young citrus trees, the sting nematode has adapted to coarse, sandy soils. The pest feeds at …

Chilli thrips

Chilli Thrips Management in Florida

Daniel CooperPests

By Maegan Beatty Last month, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted a citrus insect workshop that covered almost 10 different pests that pose a threat for Florida citrus. Lance Osborne, professor and researcher at the Mid-Florida Research and Education Center, presented research on chilli thrips. Chilli thrips (Scirtothrips dorsalis) can live in over 150 …

Mississippi

Quarantine Updates: HLB in Mississippi; Mexfly in Texas

Daniel CooperDiseases, Pests, Regulation

The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA/APHIS) recently announced a quarantine for huanglongbing (HLB) in Mississippi as well as updates to Mexican fruit fly (Mexfly) quarantines in Texas. HLB APHIS, in cooperation with the Mississippi Department of Agriculture and Commerce, established a quarantine for the entire state of Mississippi for HLB. The action was taken …

Mexfly quarantine

Mexfly Quarantines Change in Texas

Daniel CooperPests, Regulation, Texas

Federal and state agriculture officials have reduced, established and expanded several Mexican fruit fly (Mexfly) quarantines in Texas. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA) took the quarantine actions. EDINBURG On Jan. 8, the two agencies reduced the Edinburg Mexfly quarantine in Hidalgo County. The reduction includes the …

fruit flies

$129.2 Million in Emergency Funds to Combat Fruit Flies

Daniel CooperPests

The U.S. Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) is using emergency funding to respond to threats from growing outbreaks of exotic fruit flies. Outgoing U.S. Secretary of Agriculture Tom Vilsack approved the transfer of $129.2 million from the Commodity Credit Corporation to APHIS to directly support emergency response efforts domestically and internationally. This funding will …

usda

USDA Funds Citrus Projects

Daniel CooperDiseases, Pests, Research

The U.S. Department of Agriculture (USDA) announced an investment of more than $70 million in the Plant Protection Act program. This includes funding of 357 projects in fiscal year 2025. The work will strengthen the country’s defenses against plant pests and diseases, safeguard the U.S. nursery system, and enhance pest detection and mitigation efforts. Part of the funding is going …

Texas

Texas Mexfly Quarantine Areas Altered

Daniel CooperPests, Regulation, Texas

The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA/APHIS) and the Texas Department of Agriculture (TDA) made changes to two Mexican fruit fly (Mexfly) quarantine areas in Texas on Dec. 6. They reduced the Brownsville Mexfly quarantine area in Cameron County and the Harlingen-Sebastian Mexfly quarantine area in Cameron, Hidalgo and Willacy counties. However, on Dec. 20, …

Medfly

Medfly Quarantine Expanded Again

Daniel CooperCalifornia Corner, Pests, Regulation

Twice in December, agriculture officials expanded the Mediterranean fruit fly (Medfly) quarantine area in California’s Alameda and Santa Clara counties, designated the Fremont quarantine. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) and the California Department of Food and Agriculture (CDFA) made the expansions Dec. 5 and Dec. 12. The quarantine was expanded in response to …

pest management

Plan Your 2025 Pest Management

Daniel CooperPest Management, Pests, Tip of the Week

By Lauren Diepenbrock Pest management is a year-round challenge in Florida citrus. With the warm climate, pests are at the ready as soon as plant resources are available to them. With knowledge of invertebrate biology in relation to tree phenology, growers can develop plans to protect fruit and maintain productive citrus trees. HIGHLY PROBLEMATIC PESTS Populations of some highly problematic …

rats

Rats Wreak Havoc in California Orchards

Daniel CooperCalifornia Corner, Pests

Rodents, particularly rats, have wreaked havoc in California orchards and vineyards this year. Some growers have reported yield losses, damage to trees and destruction of irrigation lines, electrical wiring and other infrastructure. Farmers face soaring costs to replace what has been destroyed or damaged, but also to control populations of the pests. The rodent problem was initially reported in San …

Mexfly

Mexfly Quarantine Expanded in Texas

Daniel CooperPests, Regulation, Texas

Agriculture officials on Nov. 18 expanded the Mexican fruit fly (Mexfly) quarantine in Donna, Hidalgo County, Texas. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA) took the action. Expansion of the Donna quarantine is in response to the confirmed detection on Nov. 14 of a Mexfly larva in fruit …

Mexfly quarantine

Mexfly Quarantine Changes Impact Texas Citrus

Daniel CooperPests, Regulation, Texas

The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) and the Texas Department of Agriculture (TDA) recently took several actions regarding Mexican fruit fly (Mexfly) quarantine areas. On Oct. 9, they expanded the Mexfly quarantine in Donna, Hidalgo County. On Oct. 11, they reduced a portion of the Harlingen-Sebastian Mexfly quarantine area in Cameron, Hidalgo and …

Arizona

Control of Asian Citrus Psyllids and Leafminers

Daniel CooperPests

Biological control can have a significant impact on Asian citrus psyllid (ACP) and citrus leafminer (CLM) populations in Florida, a researcher reported in a Nov. 19 virtual meeting. Jawwad Qureshi, associate professor of entomology with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), also discussed some cultural and chemical controls that work on the pests.  ACP Qureshi, …

Oriental fruit fly

California Announces Oriental Fruit Fly Quarantine

Daniel CooperCalifornia Corner, Pests, Regulation

A portion of California’s Orange County has been placed under quarantine for the Oriental fruit fly. The California Department of Food and Agriculture (CDFA) reported the quarantine Nov. 6. It followed the detection of eight flies in and around the cities of Santa Ana and Garden Grove.  The quarantine zone measures 87 square miles. It is bordered on the north …

post-hurricane

Post-Hurricane Pest Management

Daniel Cooperhurricane, Pests

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher Lauren Diepenbrock recently offered post-hurricane observations and management suggestions for some insects and snails. Diepenbrock is an assistant professor at the Citrus Research and Education Center.  BULIMULUS SNAILS Related Bulimulus snail species have been found to lay eggs in the fall after major rain events. Both small and larger …

Medfly

Medfly Quarantine Expanded in California

Daniel CooperCalifornia Corner, Pests, Regulation

The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA/APHIS) and the California Department of Food and Agriculture (CDFA) expanded the Mediterranean fruit fly (Medfly) quarantine in Alameda and Santa Clara counties in California twice in October. The expansions are in response to the confirmed detections between Oct. 7 and Oct. 15 of 22 wild female Medflies, 14 …

quarantine areas

Mexfly Quarantine Areas Expanded and Consolidated in Texas

Daniel CooperPests, Regulation, Texas

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (USDA/APHIS) and the Texas Department of Agriculture (TDA) have expanded the Harlingen and Sebastian Mexican fruit fly (Mexfly) quarantine areas in Texas and consolidated them into a single quarantine area, now termed the Harlingen-Sebastian quarantine. The quarantine area spans portions of Cameron, Hidalgo and Willacy counties. DETECTIONS AND EXPANSIONS …

campaign

Brazilian Citrus Researchers Discuss Pest Management

Daniel CooperBrazil, Pests

Fundecitrus researchers Marcelo Miranda and Wellington Ivo Eduardo participated in the recent XXIX Brazilian Congress of Entomology in Uberlândia in the state of Minas Gerais. In a round table discussion on fruit plant pests, Miranda addressed the challenges of implementing integrated pest management in citrus for insect vectors of pathogens. This includes the leafhopper that transmits citrus variegated chlorosis and …

pest risk

Pest Risk Assessment of Importing Citrus from Botswana

Daniel CooperInternational, Pests, Trade

The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA/APHIS) has drafted a pest risk assessment (PRA) that describes potential pests associated with importing fresh commercially produced citrus fruits from Botswana into the United States. The PRA evaluates pest risk presented by lemon, grapefruit, mandarin and sweet orange from Botswana for consumption. The entry of these citrus fruits …