Entomopathogenicity of <i>Beauveria bassiana</i> toward flea beetles, <i>Phyllotreta cruciferae</i> Goeze (Col., Chrysomelidae)

Miranpuri, Gurwattan S.; Khachatourians, George G.

doi:10.1111/j.1439-0418.1995.tb01265.x

Cited by 22 publications

(7 citation statements)

References 13 publications

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“…The lethal time values in this study agree with the values of 1.8 and 3.6 d that McLeod et al (2002) found for thiamethoxam and spinosad against eggplant ßea beetle, Epitrix fuscula Crotch. Data on efÞcacy of BotaniGard in 2003 corresponds with that of Miranpuri and Khachatourians (1995) who observed LT 50 values of 6.67 and 6.97 d for two strains, GK 2016 and SG 8702, respectively, of Beauveria bassiana against P. cruciferae. Also, data on BotaniGard in 2002 is consistent with the results of Miranpuri and Khachatourians (1995) and Kreutz et al (2004) who found Ͼ90% mortality and LT 50 values of 5Ð7 d for P. cruciferae and spruce bark beetle, Ips typographus L., exposure to B. bassiana for 7 d. Aging populations, genetic differences in susceptibility to insecticides and environmental factors affecting Þeld populations in 2002 and 2003 are possible reasons why results differed between the two trials.…”

Section: Discussionsupporting

confidence: 67%

Comparisons of Ecorational and Chemical Insecticides Against Crucifer Flea Beetle (Coleoptera: Chrysomelidae) on Canola

Antwi¹,

Olson²,

Carey³

2007

Journal of Economic Entomology

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Studies were done comparing the insecticides SpinTor (spinosad), BotaniGard (Beauveria bassiana), Neemix (azadirachtin), and Surround (kaolin, a clay) with conventional chemical insecticides Capture (bifenthrin) and Helix XTra (thiamethoxam), all applied at seven rates in a 7-d assay to assess their impact on adult crucifer flea beetle, Phyllotreta cruciferae (Goeze) (Coleoptera: Chrysomelidae). Lethal time (LT) required for 25, 50, and 75% mortality (LT25, LT50, and LT75) and relative potencies for the insecticide concentration groupings (0, 1X-1.5X, and 2X- 4X) were estimated for each treatment by using survival functions. P. cruciferae mortality increased in response to increasing concentrations, especially for Helix XTra, Capture and SpinTor. After 2 d of exposure in 2002, mortality ranged from 54 to 78% for Helix XTra, from 60 to 94% for Capture, and from 66 to 92% for SpinTor across concentrations. In 2003, flea beetle mortality ranged from 37 to 60%, from 29 to 63%, and from 23 to 52% on exposure to Helix XTra, Capture, and SpinTor, respectively, for 2 d. The LT50 and relative potencies of the insecticides were in the order of Helix XTra, Capture, and SpinTor > BotaniGard, Neemix, and Surround. In 2002, LT50 values were 1 and 2 d for Capture and SpinTor, 2 d for BotaniGard, and 3 d for Neemix and Surround. In 2003, LT50 values occurred between 2 and 4 d after exposure to Helix XTra, Capture, and SpinTor, with LT50 values of 5-7 d on exposure to BotaniGard, Neemix, and Surround. SpinTor seems to be a suitable ecorational insecticide in canola, Brassica napus L., for P. cruciferae management.

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Section: Discussionsupporting

confidence: 67%

Comparisons of Ecorational and Chemical Insecticides Against Crucifer Flea Beetle (Coleoptera: Chrysomelidae) on Canola

Antwi¹,

Olson²,

Carey³

2007

Journal of Economic Entomology

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“…Here mortality varied between 50% and 90%, 7 days after treatment. 66 In the field, Menzler-Hokkanen et al unpublished (cited in Hokkanen et al 67 ) reported that spray application and soil incorporation of Metarhizium anisopliae (strain/isolate unidentified) led to reductions in adult Phyllotreta spp. emergence of 41% and 34%, respectively, in turnip rape (Brassica rapa) fields in Finland.…”

Section: B Bassiana Strain Bha Product Whole-leaf Bioassaymentioning

confidence: 99%

Assessing the potential of biopesticides to control the cabbage stem flea beetle Psylliodes chrysocephala

Price,

Campbell,

Pope

2023

Pest Management Science

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BackgroundCabbage stem flea beetle (CSFB) is an economically important pest of oilseed rape crops in Europe that was effectively controlled by neonicotinoid insecticide seed treatments until they were banned by the European Union in 2013. Since then, CSFB has been a difficult pest to control effectively, in part due to many populations having developed resistance to pyrethroids, the only authorized insecticides used to control this pest in many countries. Alternative solutions are therefore necessary, such as biopesticides. We tested an entomopathogenic fungus, three entomopathogenic bacteria isolates, two fatty acids and azadirachtin against CSFB adults under laboratory conditions. We also tested the efficacy of the pyrethroid insecticide lambda‐cyhalothrin.ResultsFatty acids were effective with up to 100% CSFB mortality after 24 hours. The entomopathogenic fungus Beauveria bassiana resulted in up to 56% mortality 14 days after treatment. Entomopathogenic bacteria formulations and azadirachtin were not effective (< 50% and <40% mortality, respectively). Results from a bioassay using lambda cyhalothrin indicated that the CSFB used in this study were resistant to this insecticide.ConclusionEntomopathogenic fungi and fatty acids could potentially be used to control CSFB as part of an Integrated Pest Management (IPM) programme. This study is the first to investigate the efficacy of different biopesticides to control CSFB under laboratory conditions. As such, these biopesticides require further testing to optimise formulation, application methods and to assess impact on non‐target organisms. Finally, efficacy under field conditions must be determined to understand the influence of environmental variables.This article is protected by copyright. All rights reserved.

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“…The entomopathogenic fungi Beauveria bassiana (Balsamo) Vuillemin and Metarhizium anisopliae (Metschnikoff) Sorokin have been reported infecting the oil palm pests Rhynchophorus palmarum Linnaeus 16 and Rhynchophorus ferrugineus Olivier 17 (Coleoptera: Curculionidae). Although these fungi are found in Chrysomelid beetles in the field, 18,19 there are no studies on their use to control D. neivai . The use of entomopathogenic fungi provide biodiversity in oil palm agroecosystems and the delivery of ecosystem services for agricultural production, especially for pest population regulation 20 …”

Section: Introductionmentioning

confidence: 99%

Susceptibility of Demotispa neivai (Coleoptera: Chrysomelidae) to Beauveria bassiana and Metarhizium anisopliae entomopathogenic fungal isolates

Martínez

Plata-Rueda

Ramírez

et al. 2021

Pest Management Science

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BACKGROUND The potential of Beauveria bassiana and Metarhizium anisopliae isolates obtained from naturally infected oil palm pests was evaluated to control Demotispa neivai as an alternative for organophosphate insecticide use in oil palm crops in Latin America. Two B. bassiana (Bb‐0018 and Bb‐0025) and two M. anisopliae (Ma‐0002 and Ma‐0003) isolates were tested against D. neivai adults for hydrophobicity, virulence, survival, adhesion to host cuticle, and mortality in semi‐field conditions. RESULTS Concentration–mortality bioassays demonstrate that isolates had lethal effect on D. neivai adults with Bb‐0025 [median lethal concentration (LC50) = 3.45 × 107 conidia mL−1] and Bb‐0018 (LC50 = 3.75 × 107 conidia mL−1) being the most effective followed by Ma‐0003 (LC50 = 3.38 × 108 conidia mL−1) and Ma‐0002 (5.33 × 108 conidia mL−1). Adult survival was 99% without exposure to fungal isolates, decreasing to 21.65% in insects exposed to Ma‐0002, 19.41% with Ma‐0003, 20.13% with Bb‐0018, and 0.17% with Bb‐0025. Mortality of D. neivai adults caused by the entomopathogenic fungal isolates was similar in both laboratory and semi‐field conditions. Also, vegetative growth of the entomopathogenic fungal isolates was found in infected D. neivai adults in the field. CONCLUSION Our data suggest that the tested entomopathogenic fungal isolates are effective against D. neivai with potential to be used as biological control agents contributing to the decrease of the use of chemical insecticides to control this oil palm pest. © 2021 Society of Chemical Industry.

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Entomopathogenicity of Beauveria bassiana toward flea beetles, Phyllotreta cruciferae Goeze (Col., Chrysomelidae)

Cited by 22 publications

References 13 publications

Comparisons of Ecorational and Chemical Insecticides Against Crucifer Flea Beetle (Coleoptera: Chrysomelidae) on Canola

Comparisons of Ecorational and Chemical Insecticides Against Crucifer Flea Beetle (Coleoptera: Chrysomelidae) on Canola

Assessing the potential of biopesticides to control the cabbage stem flea beetle Psylliodes chrysocephala

Susceptibility of Demotispa neivai (Coleoptera: Chrysomelidae) to Beauveria bassiana and Metarhizium anisopliae entomopathogenic fungal isolates

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