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1 March 2018 Attraction of Thrips (Thysanoptera) to Colored Sticky Traps in a Florida Olive Grove
Sandra A. Allan, Jennifer L. Gillett-Kaufman
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Abstract

A study was conducted in 4 plots within a newly established olive grove in Florida to assess surveillance methods for insects present around the period of olive bloom. Over 99% of thrips collected were Frankliniella bispinosa (Morgan) (Thysanoptera: Thripidae), with occasional collections of predacious Leptothrips pini (Watson) (Thysanoptera: Phlaeothripidae). Collections of thrips using sticky traps or in tap or brush samples were high at the time of bloom, with low numbers before bloom and very low numbers after bloom. No differences in collections were seen among plots for thrips numbers when sampled using sticky cards. However, one plot had higher thrips numbers when sampled using tap and brush samples. Overall, and especially during bloom, blue sticky traps were most attractive, followed by yellow and then white sticky traps. Clear (color-free) traps collected the fewest thrips. Using tap samples, more thrips were collected on the edges than in the middle of the grove. Highly localized high densities of thrips were detected by the tap samples. Although sticky traps were highly effective for collecting thrips, only tap samples detected the localized hot spots.

Sandra A. Allan and Jennifer L. Gillett-Kaufman "Attraction of Thrips (Thysanoptera) to Colored Sticky Traps in a Florida Olive Grove," Florida Entomologist 101(1), 61-68, (1 March 2018). https://doi.org/10.1653/024.101.0112
Published: 1 March 2018
KEYWORDS
aceitunas
Frankliniella bispinosa
Leptothrips pini
olives
surveillance
vigilancia
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