Research Topics
Species | Roberto M PereiraSummaryAffiliation: University of Florida Country: USA Publications
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Detail Information
Publications
Phenology, distribution, and host specificity of Solenopsis invicta virus-1Steven M Valles
Center for Medical, Agricultural and Veterinary Entomology, USDA ARS, 1600 SW 23rd Drive, Gainesville, FL 32608, USA
J Invertebr Pathol 96:18-27. 2007..Phylogenetic analyses of SINV-1/-1A nucleotide sequences indicated significant divergence between viruses collected from Argentina and the U.S...
Ability of bed bug-detecting canines to locate live bed bugs and viable bed bug eggsMargie Pfiester
Department of Entomology, University of Florida, Gainesville, FL 32611 0620, USA
J Econ Entomol 101:1389-96. 2008..The pseudoscent could be used to facilitate detector dog training and quality assurance programs. If trained properly, dogs can be used effectively to locate live bed bugs and viable bed bug eggs...
Yellow-head disease caused by a newly discovered Mattesia sp. in populations of the red imported fire ant, Solenopsis invictaRoberto M Pereira
USDA-ARS, CMAVE, 1600 SW 23rd Drive, P.O. Box 14565, Gainesville, FL 32608, USA
J Invertebr Pathol 81:45-8. 2002
Occurrence of Myrmicinosporidium durum in red imported fire ant, Solenopsis invicta, and other new host ants in eastern United StatesRoberto M Pereira
USDA, ARS, Center for Medical, Agricultural, and Veterinary Entomology, 1600 SW, 23rd Drive, Gainesville, FL 32608, USA
J Invertebr Pathol 86:38-44. 2004..Observations of disease were recorded mostly from late summer and fall. Possible implications of this new disease in red imported fire ants are discussed...
Expressed sequence tags from the red imported fire ant, Solenopsis invicta: annotation and utilization for discovery of virusesSteven M Valles
Center for Medical, Agricultural and Veterinary Entomology, USDA ARS, Gainesville, FL 32608, USA
J Invertebr Pathol 99:74-81. 2008..invicta. The sequencing project illustrates the utility of this method for discovery of viruses and pathogens that may otherwise go undiscovered...
Toxicities of 31 volatile low molecular weight compounds against Aedes aegypti and Culex quinquefasciatusAlexandra Chaskopoulou
Entomology and Nematology Department, University of Florida, Gainesville, FL 32611 0620, USA
J Med Entomol 46:328-34. 2009..melanogaster. Finally, the toxicity differences between species point to the potential for differential toxicity among mosquito general/species, suggesting that further studies of a number of mosquito species might be warranted...
Susceptibility of Aedes aegypti, Culex quinquefasciatus Say, and Anopheles quadrimaculatus Say to 19 pesticides with different modes of actionJulia W Pridgeon
Center for Medical, Agricultural, and Veterinary Entomology, USDA ARS, Gainesville, FL 32608, USA
J Med Entomol 45:82-7. 2008....
Vapor toxicity of three prototype volatile insecticidal compounds to house fly (Diptera: Muscidae)Alexandra Chaskopoulou
Department of Entomology and Nematology, University of Florida, Gainesville, FL 32611 0620, USA
J Med Entomol 46:1400-6. 2009..Even though the prototype compounds did not exhibit toxicity as high as that of DDVP, their toxicities to dipterans, along with their reduced mammalian toxicities relative to DDVP, make them potential DDVP replacement candidates...
Kneallhazia carolinensae sp. nov., a microsporidian pathogen of the thief ant, Solenopsis carolinensisSteven M Valles
USDA, ARS, Center for Medical, Agricultural and Veterinary Entomology, 1600 SW 23rd Drive, Gainesville, FL 32608, United States
J Invertebr Pathol 108:59-62. 2011..carolinensae 16S rDNA sequence exhibited 91% identity with the 16S rDNA gene of K. solenopsae. The morphological and sequence data support the conclusion that K. carolinensae is a novel microsporidian species distinct from K. solenopsae...
Lethal effects of heat and use of localized heat treatment for control of bed bug infestationsRoberto M Pereira
Department of Entomology, University of Florida, Building 970 Natural Area Drive, Gainesville, FL 32611 0620, USA
J Econ Entomol 102:1182-8. 2009....
Use of ribosomal DNA sequence data to characterize and detect a neogregarine pathogen of Solenopsis invicta (Hymenoptera: Formicidae)Steven M Valles
USDA ARS Center for Medical, Agricultural and Veterinary Entomology, 1600 SW 23rd Drive, Gainesville, FL 32608, USA
J Invertebr Pathol 84:114-8. 2003..Oligonucleotide primer pairs were designed to unique areas of the 18S rRNA genes of Mattesia YHD and S. invicta. Multiplex PCR resulted in sensitive and specific detection of Mattesia YHD infection of S. invicta...
Relative repellency and lethality of the neonicotinoids thiamethoxam and acetamiprid and an acetamiprid/bifenthrin combination to Reticulitermes flavipes termitesJoseph A Smith
Department of Entomology and Nematology, University of Florida, P O Box 110620, Gainesville, FL 32611, USA
J Econ Entomol 101:1881-7. 2008..The combination acetamiprid + bifenthrin termiticide may be effective in keeping termites away from the treated soil, because of the combined effects of acetamiprid and bifenthrin...
Solenopsis invicta transferrin: cDNA cloning, gene architecture, and up-regulation in response to Beauveria bassiana infectionSteven M Valles
Center for Medical, Agricultural, and Veterinary Entomology, USDA ARS, 1600 SW 23rd Drive, Gainesville, FL 32608, USA
Gene 358:60-6. 2005..Genes, like SiTf, responding to microbe attack or infection may provide a unique approach to assist in the discovery of microbial control organisms for the target insect pest...
Effect of population structure and size on aggregation behavior of Cimex lectularius (Hemiptera: Cimicidae)Margie Pfiester
Department of Entomology, University of Florida, Bldg 970 Natural Area Drive, Gainesville, FL 32611 0620, USA
J Med Entomol 46:1015-20. 2009..Active female dispersal away from main aggregations can potentially lead to treatment failures and should be taken into account when using control methods...
A picorna-like virus from the red imported fire ant, Solenopsis invicta: initial discovery, genome sequence, and characterizationSteven M Valles
Center for Medical, Agricultural and Veterinary Entomology, USDA ARS, Gainesville, FL 32608, USA
Virology 328:151-7. 2004..However, in every case where an SINV-1-infected colony was excavated from the field with an inseminated queen and held in the laboratory, all of the brood in these colonies died within 3 months...
Structure-activity relationships of 33 piperidines as toxicants against female adults of Aedes aegypti (Diptera: Culicidae)Julia W Pridgeon
Center for Medical, Agricultural, and Veterinary Entomology, USDA ARS, 1600 SW 23rd Dr, Gainesville, FL 32608, USA
J Med Entomol 44:263-9. 2007..Together, these preliminary results may be useful in guiding further piperidine ring modifications in the development of potential new insecticides...
Beauveria bassiana yeast phase on agar medium and its pathogenicity against Diatraea saccharalis (Lepidoptera: Crambidae) and Tetranychus urticae (Acari: Tetranychidae)Sérgio Batista Alves
Departamento de Entomologia, Fitopatologia e Zoologia Agricola, ESALQ USP, Caixa Postal 9, Piracicaba, SP 13418 900, Brazil
J Invertebr Pathol 81:70-7. 2002..Obtaining well-defined yeast phase cultures of entomopathogenic hyphomycetes may be an important step in studies of the biology and nutrition, pathogenesis, and the genetic manipulation of these fungi...
Beauveria bassiana: endophytic colonization and plant disease controlBonnie H Ownley
Department of Entomology and Plant Pathology, 2431 Joe Johnson Drive, University of Tennessee, Knoxville, TN 37996, USA
J Invertebr Pathol 98:267-70. 2008..B. bassiana11-98 induced systemic resistance in cotton against Xanthomonas axonopodis pv. malvacearum (bacterial blight). In parasitism assays, hyphae of B. bassiana 11-98 were observed coiling around hyphae of Pythium myriotylum...
