Examining the Relationship between Flower Thrips (Thysanoptera: Thripidae) Spatial Distribution and Blueberry (Ericales: Ericaceae) Flower Density

Rhodes, Elena M.; Liburd, Oscar E.; Grunwald, Sabine

doi:10.1653/024.099.0126

Cited by 1 publication

(1 citation statement)

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“…Population levels of flower thrips are strongly correlated with the percentage of bloom on crops (Arévalo-Rodriguez 2006) and flower density (Rhodes et al 2016). The rapid drop in thrips collection noted by F. bispinosa in this study after bloom was similar to that noted by Childers & Brecht (1996).…”

Section: Discussionsupporting

confidence: 76%

Attraction of Thrips (Thysanoptera) to Colored Sticky Traps in a Florida Olive Grove

Allan

Gillett-Kaufman

2018

Florida Entomologist

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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.

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Section: Discussionsupporting

confidence: 76%