Journal of Economic Entomology (2017) 110, 1025-1030

Asgar Ebadollahi, Mahdi Davari, Jabrael Razmjou and Bahram Naseri (2017)
Separate and combined effects of Mentha piperata and Mentha pulegium essential oils and a pathogenic fungus Lecanicillium muscarium against Aphis gossypii (Hemiptera: Aphididae)
Journal of Economic Entomology 110 (3), 1025-1030
Abstract: In the present study, the toxicity of essential oils of Mentha piperata L. and Mentha pulegium L. and pathogenicity of Lecanicillium muscarium (Zare and Gams) were studied in the melon aphid, Aphis gossypii Glover. Analyses of the essential oils by GC–MS indicated limonene (27.28%), menthol (24.71%), menthone (14.01%), and carvol (8.46%) in the M. piperata essential oil and pulegone (73.44%), piperitenone (5.49%), decane (4.99%), and limonene (3.07%) in the essential oil of M. pulegium as the main components. Both essential oils and the pathogenic fungus had useful toxicity against A. gossypii. Probit analysis indicated LC₅₀ values (lethal concentrations to kill 50% of population; 95% confidence limits in parentheses) of M. piperata and M. pulegium essential oils as 15.25 (12.25–19.56) and 23.13 (19.27–28.42) µl/liter air, respectively. Susceptibility to the pathogenic fungus increased with exposure time. Aphid mortality also increased when the essential oils were combined with L. muscarium, although the phenomena was additive rather than synergistic. Mycelial growth inhibition of L. muscarium exposed to the essential oils was also very low. Based on our results, M. piperata and M. pulegium essential oils and the pathogenic fungus L. muscarium have some potential for management of A. gossypii.
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Link to article at publishers website
Database assignments for author(s): Jabraeil Razmjou, Bahram Naseri

Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
Research topic(s) for beneficials or antagonists:
formulation/storage of bioagents
application technology

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Aphis gossypii
Akanthomyces muscarius (entomopathogen)	Aphis gossypii