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This document is HS994, one of a series of the Horticultural Sciences Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Published February 2005. This research was supported by the Florida Agricultural Experiment Station, and approved for publication as Journal Series No. N-02573. This project is supported by the USDA Diaprepes Grant #727384112. HS994/HS240: Validation of an Area-Wide Extension Program to Estimate the Seasonal Abundance of Adult Citrus Root Weevils with Unbaited Pyramidal Traps (ufl.edu)

Reviewed March 2021. There are no changes in recommendation from 2020.

Citrus root weevils represent a complex of species known to infest citrus trees and various alternate host plants in Florida. This 4-page fact sheet is part of the 2019–2020 Florida Citrus Production Guide. Written by Larry W. Duncan and Catharine Mannion, and published by the Entomology and Nematology Department, March 2019. ENY-611/CG006: 2022–2023 Florida Citrus Production Guide: Citrus Root Weevils (ufl.edu)

Integrated pest management (IPM) for nematodes requires (1) determining whether pathogenic nematodes are present within the grove; (2) determining whether population densities of some nematodes are high enough to cause economic loss; and (3) selecting a profitable management option. Attempting to manage nematodes may be unprofitable unless the above procedures are carefully followed. Similarly, some management methods pose risks to people and the environment, and therefore it is important to know that their use is justified by the actual conditions in a grove. This 3-page fact sheet is part of the 2019–2020 Florida Citrus Production Guide. Written by Larry W. Duncan, Joe W. Noling, and Renato N. Inserra, and published by the Entomology and Nematology Department, March 2019. ENY-606/CG010: 2022–2023 Florida Citrus Production Guide: Nematodes (ufl.edu)

This 3-page fact sheet is part of the 2019–2020 Florida Citrus Production Guide. Written by Davie M. Kadyampakeni and Larry W. Duncan, and published by the Horticultural Sciences Department, March 2019. HS-185/CG027: 2022–2023 Florida Citrus Production Guide: Best Management Practices for Soil-Applied Agricultural Chemicals (ufl.edu)

Citrus root weevil, Diaprepes abbreviatus (Linnaeus) is a destructive pest on citrus trees. It is now becoming a significant pest on blueberry in central Florida, at times causing major damage to blueberry bushes that are more than two years old. This 3-page fact sheet written by Douglas A. Phillips, Oscar E. Liburd, and Larry W. Duncan and published by the UF/IFAS Entomology and Nematology Department will educate blueberry growers on how to monitor, identify, and control citrus root weevil. http://edis.ifas.ufl.edu/in1241

Integrated pest management (IPM) for nematodes requires: 1) determining whether pathogenic nematodes are present within the grove; 2) determining whether population densities of some nematodes are high enough to cause economic loss; and 3) selecting a profitable management option. Attempting to manage nematodes may be unprofitable unless the above procedures are carefully followed. Similarly, some management methods pose risk to people and the environment, therefore it is important to know that their use is justified by the actual conditions in a grove. This 3-page fact sheet is part of the 2018–2019 Florida Citrus Production Guide. Written by Larry W. Duncan, Joe W. Noling, and Renato N. Inserra, and published by the Entomology and Nematology Department, May 2018. ENY-606/CG010: 2022–2023 Florida Citrus Production Guide: Nematodes (ufl.edu)

Citrus root weevils represent a complex of species known to infest citrus trees and various alternate host plants in Florida. This 5-page fact sheet is part of the 2018–2019 Florida Citrus Production Guide. Written by L. W. Duncan, M. E. Rogers, S. H. Futch, and J. H. Graham, and published by the UF/IFAS Entomology and Nematology Department, May 2018. ENY-611/CG006: 2022–2023 Florida Citrus Production Guide: Citrus Root Weevils (ufl.edu)

Root weevils are a major pest group for many kinds of plants, with at least nine species that colonize citrus. Species commonly infesting citrus include Diaprepes root weevil (Diaprepes abbreviates), blue-green citrus root weevils (Pachnaeus litus and Pachnaeus opalus), little leaf notcher (Artipus floridanus), Fuller rose beetle (Asynonychus godmani) and Sri Lanka weevil (Myllocerus undecimpustulatus undatus). Peer-reviewed through UF/IFAS Citrus Research and Education Center; published in Citrus Industry Magazine January 3, 2018.

HS-1065, a 4-page illustrated fact sheet by Stephen H. Futch, James H. Graham, and Larry W. Duncan, reviews and evaluates the benefits and drawbacks of two methods of removing diseased or unproductive trees -- pushing the tree down and removing the entire tree and root systems, or clipping the tree off above the soil line. It describes the results of a study initiated in 2002 to investigate concerns about the push and clip methods. Published by the UF Department of Horticultural Sciences, June 2006. HS1065/HS320: To Push or To Clip: That is the Question (ufl.edu)

This document is HS1019, one of a series of the Horticultural Sciences Department, UF/IFAS Extension. Original publication date March 2006. HS1019/HS269: Ganoderma Wood-Rotting Fungi on Citrus Stumps (ufl.edu)

Root weevils infest citrus groves throughout the citrus growing regions of Florida. Among the eight weevil species that have been identified in Florida citrus groves, five have some potential to cause economic problems for nurserymen and commercial growers. The most important weevil species are Diaprepes root weevil (Diaprepes abbreviatus), southern blue-green citrus root weevil (Pachnaeus litus), and the blue-green citrus root weevil (Pachnaeus opalus). The little leaf notcher (Artipus floridanus) and Fuller rose beetle (Asynonychus godmani) are of less concern, but may be locally important (Fig. 1). This paper will deal with Diaprepes and the blue-green root weevils because they are of major economic importance and frequently occur in citrus groves. This document is HS-1014, one of a series of the Horticultural Sciences Department, UF/IFAS Extension. Original publication date May 2005. HS-1014/HS260: Field Diagnosis of Citrus Root Weevil Damage (ufl.edu)

This document is HS994, one of a series of the Horticultural Sciences Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Published February 2005. This research was supported by the Florida Agricultural Experiment Station, and approved for publication as Journal Series No. N-02573. This project is supported by the USDA Diaprepes Grant #727384112. HS994/HS240: Validation of an Area-Wide Extension Program to Estimate the Seasonal Abundance of Adult Citrus Root Weevils with Unbaited Pyramidal Traps (ufl.edu)

Reviewed March 2021. There are no changes in recommendation from 2020.

This 3-page fact sheet is part of the 2019–2020 Florida Citrus Production Guide. Written by Davie M. Kadyampakeni and Larry W. Duncan, and published by the Horticultural Sciences Department, March 2019. HS-185/CG027: 2022–2023 Florida Citrus Production Guide: Best Management Practices for Soil-Applied Agricultural Chemicals (ufl.edu)

Integrated pest management (IPM) for nematodes requires (1) determining whether pathogenic nematodes are present within the grove; (2) determining whether population densities of some nematodes are high enough to cause economic loss; and (3) selecting a profitable management option. Attempting to manage nematodes may be unprofitable unless the above procedures are carefully followed. Similarly, some management methods pose risks to people and the environment, and therefore it is important to know that their use is justified by the actual conditions in a grove. This 3-page fact sheet is part of the 2019–2020 Florida Citrus Production Guide. Written by Larry W. Duncan, Joe W. Noling, and Renato N. Inserra, and published by the Entomology and Nematology Department, March 2019. ENY-606/CG010: 2022–2023 Florida Citrus Production Guide: Nematodes (ufl.edu)

Citrus root weevils represent a complex of species known to infest citrus trees and various alternate host plants in Florida. This 4-page fact sheet is part of the 2019–2020 Florida Citrus Production Guide. Written by Larry W. Duncan and Catharine Mannion, and published by the Entomology and Nematology Department, March 2019. ENY-611/CG006: 2022–2023 Florida Citrus Production Guide: Citrus Root Weevils (ufl.edu)

Integrated pest management (IPM) for nematodes requires (1) determining whether pathogenic nematodes are present within the grove; (2) determining whether population densities of some nematodes are high enough to cause economic loss; and (3) selecting a profitable management option. Attempting to manage nematodes may be unprofitable unless the above procedures are carefully followed. Similarly, some management methods pose risks to people and the environment, and therefore it is important to know that their use is justified by the actual conditions in a grove. This 3-page fact sheet is part of the 2019–2020 Florida Citrus Production Guide. Written by Larry W. Duncan, Joe W. Noling, and Renato N. Inserra, and published by the Entomology and Nematology Department, March 2019. ENY-606/CG010: 2022–2023 Florida Citrus Production Guide: Nematodes (ufl.edu)

Citrus root weevils represent a complex of species known to infest citrus trees and various alternate host plants in Florida. This 4-page fact sheet is part of the 2019–2020 Florida Citrus Production Guide. Written by Larry W. Duncan and Catharine Mannion, and published by the Entomology and Nematology Department, March 2019. ENY-611/CG006: 2022–2023 Florida Citrus Production Guide: Citrus Root Weevils (ufl.edu)

This 3-page fact sheet is part of the 2019–2020 Florida Citrus Production Guide. Written by Davie M. Kadyampakeni and Larry W. Duncan, and published by the Horticultural Sciences Department, March 2019. HS-185/CG027: 2022–2023 Florida Citrus Production Guide: Best Management Practices for Soil-Applied Agricultural Chemicals (ufl.edu)

Citrus root weevil, Diaprepes abbreviatus (Linnaeus) is a destructive pest on citrus trees. It is now becoming a significant pest on blueberry in central Florida, at times causing major damage to blueberry bushes that are more than two years old. This 3-page fact sheet written by Douglas A. Phillips, Oscar E. Liburd, and Larry W. Duncan and published by the UF/IFAS Entomology and Nematology Department will educate blueberry growers on how to monitor, identify, and control citrus root weevil. http://edis.ifas.ufl.edu/in1241

Citrus root weevil, Diaprepes abbreviatus (Linnaeus) is a destructive pest on citrus trees. It is now becoming a significant pest on blueberry in central Florida, at times causing major damage to blueberry bushes that are more than two years old. This 3-page fact sheet written by Douglas A. Phillips, Oscar E. Liburd, and Larry W. Duncan and published by the UF/IFAS Entomology and Nematology Department will educate blueberry growers on how to monitor, identify, and control citrus root weevil. http://edis.ifas.ufl.edu/in1241

Integrated pest management (IPM) for nematodes requires: 1) determining whether pathogenic nematodes are present within the grove; 2) determining whether population densities of some nematodes are high enough to cause economic loss; and 3) selecting a profitable management option. Attempting to manage nematodes may be unprofitable unless the above procedures are carefully followed. Similarly, some management methods pose risk to people and the environment, therefore it is important to know that their use is justified by the actual conditions in a grove. This 3-page fact sheet is part of the 2018–2019 Florida Citrus Production Guide. Written by Larry W. Duncan, Joe W. Noling, and Renato N. Inserra, and published by the Entomology and Nematology Department, May 2018. ENY-606/CG010: 2022–2023 Florida Citrus Production Guide: Nematodes (ufl.edu)

Integrated pest management (IPM) for nematodes requires: 1) determining whether pathogenic nematodes are present within the grove; 2) determining whether population densities of some nematodes are high enough to cause economic loss; and 3) selecting a profitable management option. Attempting to manage nematodes may be unprofitable unless the above procedures are carefully followed. Similarly, some management methods pose risk to people and the environment, therefore it is important to know that their use is justified by the actual conditions in a grove. This 3-page fact sheet is part of the 2018–2019 Florida Citrus Production Guide. Written by Larry W. Duncan, Joe W. Noling, and Renato N. Inserra, and published by the Entomology and Nematology Department, May 2018. ENY-606/CG010: 2022–2023 Florida Citrus Production Guide: Nematodes (ufl.edu)

Citrus root weevils represent a complex of species known to infest citrus trees and various alternate host plants in Florida. This 5-page fact sheet is part of the 2018–2019 Florida Citrus Production Guide. Written by L. W. Duncan, M. E. Rogers, S. H. Futch, and J. H. Graham, and published by the UF/IFAS Entomology and Nematology Department, May 2018. ENY-611/CG006: 2022–2023 Florida Citrus Production Guide: Citrus Root Weevils (ufl.edu)

Citrus root weevils represent a complex of species known to infest citrus trees and various alternate host plants in Florida. This 5-page fact sheet is part of the 2018–2019 Florida Citrus Production Guide. Written by L. W. Duncan, M. E. Rogers, S. H. Futch, and J. H. Graham, and published by the UF/IFAS Entomology and Nematology Department, May 2018. ENY-611/CG006: 2022–2023 Florida Citrus Production Guide: Citrus Root Weevils (ufl.edu)

HS-1065, a 4-page illustrated fact sheet by Stephen H. Futch, James H. Graham, and Larry W. Duncan, reviews and evaluates the benefits and drawbacks of two methods of removing diseased or unproductive trees -- pushing the tree down and removing the entire tree and root systems, or clipping the tree off above the soil line. It describes the results of a study initiated in 2002 to investigate concerns about the push and clip methods. Published by the UF Department of Horticultural Sciences, June 2006. HS1065/HS320: To Push or To Clip: That is the Question (ufl.edu)

HS-1065, a 4-page illustrated fact sheet by Stephen H. Futch, James H. Graham, and Larry W. Duncan, reviews and evaluates the benefits and drawbacks of two methods of removing diseased or unproductive trees -- pushing the tree down and removing the entire tree and root systems, or clipping the tree off above the soil line. It describes the results of a study initiated in 2002 to investigate concerns about the push and clip methods. Published by the UF Department of Horticultural Sciences, June 2006. HS1065/HS320: To Push or To Clip: That is the Question (ufl.edu)