eastern lubber

Managing the Eastern Lubber Grasshopper

Daniel CooperPests

Eastern lubber grasshoppers are out in force in some parts of Florida, munching away on citrus, vegetable crops and landscape plants. They can be found from March or April to about October or November in North Florida and the state’s Gulf Coast. They can be economically important throughout Florida. Eastern lubber grasshoppers can completely strip foliage from plants. More commonly, …

Mississippi

Mexfly Quarantines Established in Texas

Daniel CooperPests, Regulation, Texas

Federal and state agriculture officials in March established several Mexican fruit fly (Anastrepha ludens; Mexfly) quarantines in Texas. The actions taken by the U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA) occurred: APHIS is applying safeguarding measures and restrictions on the interstate movement of regulated articles to prevent the spread …

pests

A New Pest in Citrus

Daniel CooperAll In For Citrus Podcast, Pests

When it comes to talking about citrus bugs, Lauren Diepenbrock, an entomologist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), is happy to join the conversation. And that’s just what she did in the March episode of the All In For Citrus podcast. She discussed several key pests that have been problematic for growers in recent …

acreage

California Citrus Growers Anticipate Good Year Despite Challenges

Daniel CooperCalifornia Corner, Pests, Production

Two California citrus industry leaders recently shared their perspectives on the prospects of the industry.  Al Bates, chief executive officer and president of Sun Pacific, said the yield for this year’s crop is mediocre but that “the fruit size is larger and ideal from a consumer perspective.”  The California Department of Food and Agriculture (CDFA) projected a 1% increase in …

protect developing

Protect Developing Fruit From Lebbeck Mealybugs

Daniel CooperPests, Tip of the Week

By Lauren Diepenbrock As the March bloom tapers off and fruit begin to set, it is time to think about lebbeck mealybug management to protect developing fruit. Damage to setting fruit causes malformed fruit that are often aborted or not marketable if they continue development (Figure 1). Early-season management is critical to both reducing early fruit damage and to maintaining …

bill

Oriental Fruit Fly Quarantine Prompts California Bill

Daniel CooperCalifornia Corner, Legislative, Pests

California Assembly member Eloise Reyes on Feb. 15 introduced a bill establishing a statewide goal to manage the introduction and spread of invasive species across California. Assembly Bill 2827 was introduced in response to the California Department of Food and Agriculture’s (CDFA) quarantine for the Redlands and Yucaipa areas of San Bernardino County due to impacts of the Oriental Fruit …

Medfly

California Fruit Fly Quarantines Expanded Again

Daniel CooperCalifornia Corner, Pests, Regulation

Agriculture officials expanded the Oriental fruit fly (Bactrocera dorsalis/OFF) quarantine in California’s San Bernardino and Riverside counties on Dec. 22, 2023. On Dec. 27, 2023 and Jan. 17, 2024, they expanded the Mediterranean fruit fly (Ceratitis capitata/Medfly) quarantine in Los Angeles County. The actions were taken by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (USDA APHIS) …

pests

Freeze Does Not Have the Same Effect on All Pests

Daniel CooperCold Hardy, freeze, Pests

The Christmas freeze event in 2022 affected some insect pests in the cold-hardy citrus region more so than others, according to Xavier Martini. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor spoke about his findings during the recent Citrus Health Forum held at the North Florida Research and Education Center (NFREC) in Quincy. Martini addressed …

Oriental fruit fly

Oriental Fruit Fly Quarantine Conditions Modified

Daniel CooperCalifornia Corner, Pests, Regulation

Conditions for the movement of fresh citrus fruit from the Redlands Oriental fruit fly (OFF) quarantine area of San Bernardino and Riverside counties in California have been temporarily modified for the duration of the 2024 harvest season. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) announced the modification on Feb. 5. Due to the imminent …

fruit fly

Identifying California’s Numerous Fruit Flies

Daniel CooperCalifornia Corner, Pests

Sandipa Gautam, University of California area citrus integrated pest management advisor, recently wrote that California is experiencing an unusually high number of invasive fruit flies in the 2023–24 season. She noted that several areas in California are now under fruit fly quarantines. Excerpts from her article follow: Several species of invasive fruit flies that belong to the family Tephritidae are …

Planning Pointers for Insect Management

Tacy CalliesPests, Tip of the Week

By Lauren Diepenbrock Insect and mite 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 insect and mite biology in relation to tree phenology, plans can be developed to protect fruit and maintain productive citrus trees. Populations of some highly …

fruit fly

Expansion of Medfly and Oriental Fruit Fly Quarantines

Tacy CalliesCalifornia Corner, Pests, Regulation

Federal and California officials have expanded a Mediterranean fruit fly (Medfly) quarantine in Los Angeles County and an Oriental fruit fly (OFF) quarantine in San Bernardino and Riverside counties. The actions were taken by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (USDA APHIS) and the California Department of Food and Agriculture (CDFA). The expansion of both …

Emergency Funding Approved for Exotic Fruit Flies

Tacy CalliesPests

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (USDA APHIS) is using $103.5 million in emergency funding to respond to the threats associated with growing outbreaks of exotic fruit flies. U.S. Secretary of Agriculture Tom Vilsack approved the transfer of the funds from the Commodity Credit Corporation to APHIS to directly support emergency response efforts domestically and …

fruit fly

California Fruit Fly Quarantines Continue to Expand

Tacy CalliesCalifornia Corner, Pests, Regulation

Federal and state officials have expanded Mediterranean fruit fly (Ceratitis capitata; Medfly), Zeugodacus tau fruit fly and Queensland fruit fly (Bactrocera tryoni; QFF) quarantines in California. The actions were taken by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (USDA APHIS) and the California Department of Food and Agriculture (CDFA). The Medfly and tau fruit fly quarantines …

pesticide resistance

Preventing Pesticide Resistance

Daniel CooperPesticides, Pests

By Lourdes Pérez Cordero Insects in general are often thought of as pests. Although some organisms of the class Insecta can become harmful to important agricultural crops, not all insects should inherently be considered pests. A pest can be any organism that competes, injures, or spreads diseases to humans, domestic animals and desired plants. Historically, humans have utilized chemical mixtures …

insecticide

Timing Insecticide Applications for Best Effects

Daniel CooperPests, Tip of the Week

By Lukasz Stelinski Here are some basic guidelines that growers can follow to manage pests successfully and economically in their groves: Take-home messages include the following: Lukasz Stelinski is a professor at the University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center in Lake Alfred. Sponsored ContentTake the Sting Out of Fire AntsJune 1, 2025A Simpler, …

Oriental fruit fly

Oriental Fruit Fly Quarantine Expanded in California

Daniel CooperCalifornia Corner, Pests, Regulation

The Oriental fruit fly (OFFor Bactrocera dorsalis) quarantine in San Bernardino and Riverside counties in California was expanded in October and November by federal and state agriculture authorities. The actions were taken on Oct. 12, Nov. 3, Nov. 9 and Nov. 17 by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) and the California Department of …

medfly

Medfly Quarantine Expanded

Daniel CooperCalifornia Corner, Pests, Regulation

Federal and state authorities in early November expanded the Mediterranean fruit fly (Ceratitis capitata or Medfly) quarantine in the Leimert Park area of Los Angeles County, California. The action was taken by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) and the California Department of Food and Agriculture (CDFA) on Nov. 1 and again on Nov. …

snail

Snail Control and Research Update

Daniel CooperPests

Baits are currently the best tool for Bulimulus bonariensis snail management, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologists reported recently. Assistant professors Lauren Diepenbrock and Nicole Quinn also provided an update on snail research. Diepenbrock works at the Citrus Research and Education Center in Lake Alfred. Quinn works at the Indian River Research and Education Center …

OJ Break

OJ Break Focused on CRISPR and Emerging Pests

Daniel CooperBreeding, Pests, Research

In mid-November, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center hosted an OJ Break educational program in Lake Alfred. Attendees were provided with research updates on CRISPR gene editing and emerging pests. Nian Wang, a UF/IFAS professor of microbiology and cell science, spoke on his work with CRISPR technology. He provided insight …