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30 October 2024 Comparative efficacy and optimal positioning of traps and lures for monitoring of onion maggot Delia antiqua (Diptera: Anthomyiidae)
Nusrat Fatimah, Munazah Yaqoob, Fehim Jeelani Wani, Sajad Hussain Mir
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Abstract

Monitoring of pests is the cornerstone of any integrated pest management program, as it enables timely interventions, minimizes crop losses, and is essential for an eco-friendly and effective pest management strategy. Sticky traps represent a promising tool for monitoring the presence and abundance of insect species. However, their effectiveness is influenced by the measurable spectral reflectance of the colour, which impacts the attraction of diurnal insect species. The onion maggot (Delia antiqua Meigen) is one among the most destructive pests of onion. The present study evaluates the efficacy of four differently coloured sticky traps—yellow, blue, green, and white—installed at three different heights (25cm, 50cm, and 75cm) in trapping adult D. antiqua under field conditions. White coloured sticky traps were found to be the most attractive trap, capturing a mean population of 55.53 flies, followed by blue coloured sticky traps with 48.26 flies, yellow coloured sticky trap with 20.86 flies and green coloured sticky trap with 5.80 flies. The traps installed at 25cm were most effective in attracting D. antiqua capturing a population of 58.96 flies followed by traps installed at 50cm with 31.01 flies and traps installed at 75cm with 7.87 flies. The addition of lure increased the trapping efficiency of all the four coloured sticky traps without any influence on the attractiveness ranking of colours. The treatments were significantly different from each other and the control (no lure). Traps baited with enzymatic yeast hydrolysate proved most attractive for D. antiqua, trapping a mean population of 65.91 flies followed by traps baited with dipropyl-disulphide with 62.91 flies.

Nusrat Fatimah, Munazah Yaqoob, Fehim Jeelani Wani, and Sajad Hussain Mir "Comparative efficacy and optimal positioning of traps and lures for monitoring of onion maggot Delia antiqua (Diptera: Anthomyiidae)," Journal of the Kansas Entomological Society 97(3), 69-77, (30 October 2024). https://doi.org/10.2317/0022-8567-97.3.69
Received: 12 September 2023; Accepted: 17 September 2024; Published: 30 October 2024
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KEYWORDS
attract-and-kill
dipropyl-disulphide
enzymatic yeast hydrolysate
lures
onion management
sticky traps
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