Catharine Mannion – EDIS Update

Managing Whiteflies on Landscape Ornamentals

Whiteflies are a common pest of many ornamental plants throughout Florida and the world. There are more than 1,500 species worldwide and over 75 reported in Florida. Although infestation does not always require treatment, it is important to be able to identify and monitor for these pests for effective integrated pest management. This 8-page fact sheet written by Eileen A. Buss, Catharine Mannion, Lance Osborne, and Adam Dale and published by the Entomology and Nematology Department describes whitefly species, their identification and biology, the damage they cause, and best management practices to control them and still maintain healthy populations of natural enemies and other beneficial insects.
http://edis.ifas.ufl.edu/mg254

Minimizing Honey Bee Exposure to Pesticides

Protecting honey bees and other pollinators from pesticide impacts is important to the sustainability of agriculture. Consequently, pesticide applicators must determine if there is a clear hazard to managed or wild populations of bees. Potential exposure of bees to pesticides can vary greatly depending on the type of pesticide, formulation, application method, label restrictions, and other factors. The goal in using a pesticide is to achieve maximum benefit (success) with minimum negative impact, and these factors should always be considered in pesticide selection. This publication is written (1) to help assure the sustainability of both bees and agriculture by informing beekeepers, pesticide users, and the general public about the often complex relationship between pollinators (specifically bees) and pesticides, (2) to offer guidance for improved communication between beekeepers and pesticide users, (3) to offer pollinator risk-reducing strategies for growers and other applicators when using pesticides, and (4) to provide clarity in laws, labeling, and associated definitions. This 14-page fact sheet was written by J. D. Ellis, J. Klopchin, E. Buss, F. M. Fishel, W. H. Kern, C. Mannion, E. McAvoy, L. S. Osborne, M. Rogers, M. Sanford, H. Smith, P. Stansly, L. Stelinski, and S. Webb, and published by the UF Department of Entomology and Nematology, March 2014.
http://edis.ifas.ufl.edu/in1027

Rugose spiraling whitefly Aleurodicus rugioperculatus Martin (Hemiptera: Aleyrodidae)

A new addition on the list of whitefly species found in Florida, Aleurodicus rugioperculatus Martin, was originally called the gumbo limbo spiraling whitefly, but is now named the rugose spiraling whitefly. Being a fairly new species to science – identified less than a decade ago, not much information is available about this pest. It is an introduced pest, endemic to Central America, and was reported for the first time in Florida from Miami-Dade County in 2009. Since then it has become an escalating problem for homeowners, landscapers, businesses, and governmental officials throughout the southern coastal counties of Florida. Feeding by this pest not only causes stress to its host plant, but the excessive production of wax and honeydew creates an enormous nuisance in infested areas. The presence of honeydew results in the growth of fungi called sooty mold, which then turns everything in the vicinity covered with honeydew black with mold. This 5-page fact sheet was written by Vivek Kumar, Cindy L. McKenzie, Catharine Mannion, Ian Stocks, Trevor Smith, and Lance S. Osborne, and published by the UF Department of Entomology and Nematology, October 2013.
http://edis.ifas.ufl.edu/in1015

Natural Enemies of Rugose Spiraling Whitefly, Aleurodicus rugioperculatus Martin (Insecta: Hemiptera: Aleyrodidae) in the South Florida Landscape

Rugose spiraling whitefly was first observed in south Florida in 2009. It has been found in 17 counties in south and central Florida. This whitefly has been reported on more than 60 plant species, which include gumbo limbo, coconut, black olive, avocado, Calophyllum spp., and giant white bird of paradise. This 6-page fact sheet describes the predators and parasitoids found feeding on this whitefly in the south Florida landscape. Written by Siavash Taravati, Catharine Mannion and Holly Glenn, and published by the UF Department of Entomology and Nematology, August 2013.
http://edis.ifas.ufl.edu/in1004

EENY456/IN826 Tessellated Scale Eucalymnatus tessellatus (Signoret)

EENY456, a 4-page illustrated fact sheet by Adriana Espinosa, Amanda Hodges, Greg Hodges, Forrest Howard and Catharine Mannion, is part of the Featured Creatures collection. It describes this soft scale, native to South America, that can be a pest in greenhouses, commercial nurseries, and in the south Florida landscape — distribution, field characteristics, life cycle, hosts, general plant damage, and management. Includes references. Published by the UF Department of Entomology and Nematology, July 2009.
http://edis.ifas.ufl.edu/IN826

EENY450/IN822 Black thread scale, Ischnaspis longirostris (Signoret) (Insecta: Hemiptera: Diaspididae)

EENY-450, a 4-page illustrated fact sheet by Adriana Espinosa, Amanda Hodges, Greg Hodges and Catharine Mannion, is part of the Featured Creatures collection. It describes this one of the most serious armored scale pests worldwide, attacking over 50 families of host plants — its distribution, field characteristics, life cycle, hosts, plant damage and economic importance, and managementIncludes references. Published by the UF Department of Entomology and Nematology, June 2009.
http://edis.ifas.ufl.edu/IN822

EENY448/IN815 Coconut mealybug Nipaecoccus nipae (Maskell)(Insecta: Hemiptera: Pseudococcidae)

EENY-448, a 5-page illustrated fact sheet by Adriana Espinosa, Amanda Hodges, Greg Hodges, and Catharine Mannion, is part of the Featured Creatures collection. It describes this widely distributed pest with a wide host range, that may be economically damaging to palms and tropical fruit crops — its distribution, field characteristics, life cycle, hosts, general plant damage and management. Includes references. Published by the UF Department of Entomology and Nematology, June 2009.
http://edis.ifas.ufl.edu/IN815

EENY454/IN816 Red date scale, Phoenicoccus marlatti (Cockerell) (Insecta: Hemiptera: Phoenicoccidae)

EENY-454, a 4-page illustrated fact sheet by Adriana Espinosa, Amanda Hodges, Greg Hodges, and Catharine Mannion, is part of the Featured Creatures collection. It describes this most important pest of the date palm, its distribution, field characteristics, life cycle, hosts, general plant damage, and management. Includes references. Published by the UF Department of Entomology and Nematology, June 2009.
http://edis.ifas.ufl.edu/IN816

EENY448/IN815 Coconut mealybug Nipaecoccus nipae (Maskell)(Insecta: Hemiptera: Pseudococcidae)

EENY-448, a 5-page illustrated fact sheet by Adriana Espinosa, Amanda Hodges, Greg Hodges, and Catharine Mannion, is part of the Featured Creatures collection. It describes this pest with a wide host range that may be economically damaging to palms and tropical fruit crops — its distribution, field characteristics, life cycle, hosts, general plant damage, and management. Includes references. Published by the UF Department of Entomology and Nematology, June 2009.
http://edis.ifas.ufl.edu/IN815