Susceptibility of Artipus floridanus to different isolates of Beauveria bassiana

Literature on the entomopathogens of adult and larval root weevils is reviewed. A quantitative study to determine the pathogenicity and sporulation on larvae of 34 isolates of Beauveria bassiana to neonatal larvae of Artipus floridanus is reported. Six isolates were determined as potentially superio...

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Bibliographic Details
Published in:The Florida entomologist 1985-09, Vol.68 (3), p.402-409
Main Authors: McCoy, C.W, Beavers, G.M, Tarrant, C.A
Format: Article
Language:English
Subjects:
Artipus floridanus
Beauveria
Beauveria bassiana
Beetles
BIOLOGICAL CONTROL
Cadavers
CHAMPIGNON ENTOMOGENE
CITRUS
COLEOPTERA
CONTROL BIOLOGICO
Curcolionidae
ENTOMOGENOUS FUNGI
Fungal infections
Fungi
HONGOS ENTOMOGENOS
Insect larvae
INSECTE NUISIBLE
INSECTOS DANINOS
Larval development
LUTTE BIOLOGIQUE
pathogenicity
PEST INSECTS
Sporulation
Symposium: Biology and Control of Weevils Associated with Citrus in Florida and the West Indies
Weevils
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Summary:Literature on the entomopathogens of adult and larval root weevils is reviewed. A quantitative study to determine the pathogenicity and sporulation on larvae of 34 isolates of Beauveria bassiana to neonatal larvae of Artipus floridanus is reported. Six isolates were determined as potentially superior for microbial control of citrus root weevils. Difference in pathogenicity between fungal types was more pronounced at the lower conidial concentration. Sporulation per cadaver increased with an increase in virulence. No consistent differences in pathogenicity to neonatal larvae of A. floridanus could be detected between exotic and indigenous isolates, insect host, or location. /// Se revisa la literatura de patógenos entomológicos de gorgojos de raíces adultos y de las larvas. Se reporta un estudio cuantitativo para determinar la patogenicidad y la esporulación en larvas de 34 aislados de Beauveria bassiana hacia larvas neonatales de Artipus floridanus. Se determinó que 6 aislados eran potencialmente superiores para el control microbial de gorgojos de raíces en cítricos. Diferencia en patogenicidad entre tipos de hongos fue más pronuncida en baja concentracion de conidias. Esporulación por cadáver aumentó con un aumento en virulencia. No se pudo detectar diferencias consistentes en patogenicidad hacia larvas neonatales de A. floridanus entre aislados exóticos o indígenos, insectos hospederos, o localidad.
ISSN:0015-4040
1938-5102
DOI:10.2307/3495126