Evaluating potential olive orchard sugar food sources for the olive fly parasitoid Psyttalia concolor

Evaluating potential olive orchard sugar food sources for the olive fly parasitoid Psyttalia concolor

Olive fruit fly Bactrocera oleae (Rossi) (Diptera: Tephritidae) is a major olive pest in the Mediterranean basin where increasing insecticide resistance has enhanced damage and necessitates more reliance on other control strategies, such as biological control. Provision of floral resources has been...

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Bibliographic Details
Published in:BioControl (Dordrecht, Netherlands) Vol. 61; no. 5; pp. 473 - 483
Main Authors: Furtado, C., Belo, A. F., Nunes, F. M., Ganhão, E., Müller, C. T., Torres, L., Rei, F. T.
Format: Journal Article
Language:English
Published: Dordrecht Springer Netherlands 01-10-2016
Springer Nature B.V
Subjects:
Agriculture
Anchusa azurea
Animal Biochemistry
Animal Ecology
Bactrocera oleae
Behavioral Sciences
Biological control
Biomedical and Life Sciences
Braconidae
Diptera
Entomology
Flowers & plants
Foeniculum vulgare
Food
Food sources
Foraging behavior
Fruit flies
Fruits
Honeydew
Hymenoptera
Insecticide resistance
Insecticides
Insects
Lavatera cretica
Life Sciences
Natural enemies
Nepeta
Olea
Orchards
Pest control
Pesticide resistance
Pesticides
Plant nectar
Plant Pathology
Psyttalia concolor
Rosmarinus officinalis
Sugar
Survival
Tephritidae
Nectar
Conservation biological control
Hymenoptera
Survival
Honeydew
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Summary:Olive fruit fly Bactrocera oleae (Rossi) (Diptera: Tephritidae) is a major olive pest in the Mediterranean basin where increasing insecticide resistance has enhanced damage and necessitates more reliance on other control strategies, such as biological control. Provision of floral resources has been reported to improve the effectiveness of natural enemies. Here, we tested the effect of six plant nectars and two honeydew sources on the survival of Psyttalia concolor (Szépligeti) (Hymenoptera: Braconidae), a parasitoid wasp used in the biological control of olive fruit fly. Our results showed a positive effect on survival associated with nectars of Anchusa azurea Mill., Rosmarinus officinalis L., Lavatera cretica L. and Calamintha nepeta (L.) Savi, while honeydew proved to be a valuable alternative food source. When offering flowers directly to insects, Anchusa azurea , Lavatera cretica , and Foeniculum vulgare L. were found to be the most beneficial species, indicating also that P. concolor feeds predominantly on shallow corollas.
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ISSN:1386-6141
1573-8248
DOI:10.1007/s10526-016-9732-5