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Optimising Vine Weevil, Otiorhynchus sulcatus F. (Coleoptera: Curculionidae), Monitoring Tool Design.

Fezza, E; Roberts, JM; Bruce, T; Walsh, LE; Gaffney, MT; Pope, TW

Optimising Vine Weevil, Otiorhynchus sulcatus F. (Coleoptera: Curculionidae), Monitoring Tool Design. Thumbnail


Authors

E Fezza

JM Roberts

LE Walsh

MT Gaffney

TW Pope



Abstract

Vine weevil, Otiorhynchus sulcatus F. (Coleoptera: Curculionidae), is an economically important insect pest of horticultural crops. To identify an effective and reliable monitoring system for adult vine weevil, this study investigated the influence of colour, height and entrance position on the efficacy of a model monitoring tool using modified paper cups as refuges. Vine weevil preferences were determined by the number of individuals recorded within a refuge. When provided with a binary choice between black or white refuges, vine weevil adults showed a preference for black refuges. Vine weevils provided with a range of coloured refuges (blue, green, red and yellow) in addition to black and white refuges showed a preference for black and blue over the other colours and white refuges in group choice experiments. Refuge height and entrance position also influenced vine weevil behaviour with individuals exhibiting a preference for taller refuges and those with entrance openings around the refuge base. These results provide insights into refuge selection by adult vine weevils, which can be exploited to improve monitoring tool design. The importance of developing an effective monitoring tool for vine weevil adults as part of an integrated pest management programme is discussed.

Citation

Fezza, E., Roberts, J., Bruce, T., Walsh, L., Gaffney, M., & Pope, T. (2022). Optimising Vine Weevil, Otiorhynchus sulcatus F. (Coleoptera: Curculionidae), Monitoring Tool Design. Insects, https://doi.org/10.3390/insects13010080

Acceptance Date Jan 7, 2022
Publication Date Jan 12, 2022
Journal Insects
Publisher MDPI
DOI https://doi.org/10.3390/insects13010080
Keywords horticulture; monitoring; integrated pest management; visual cues; Curculionidae
Publisher URL https://www.mdpi.com/2075-4450/13/1/80

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