Landscape features determining the occurrence of Rhagoletis mendax (Diptera

Tephritidae) flies in blueberries

Cesar R. Rodriguez-Saona, Dean Polk, Peter V. Oudemans, Robert Holdcraft, Faruque U. Zaman, Rufus Isaacs, Daniel P Cariveau

Research output: Contribution to journalArticle

Abstract

Non-crop areas surrounding farms can support pest populations if they provide overwintering habitats or alternative hosts for them to feed and/or mate. Here we tested the hypothesis that a native North American pest of highbush blueberry, the blueberry maggot fly (Rhagoletis mendax Curran) is more abundant near forest habitats. For this, we monitored R. mendax adult occurrence using a trapping network across multiple farms and years (2009–2012) in New Jersey (USA), and then performed geospatial analysis on these data to determine whether traps in blueberry fields near forest habitats experience higher R. mendax adult captures than others. In addition, we conducted mark-release-recapture studies to determine the distance R. mendax flies can move into blueberry fields. Our results reveal that proximity to forest habitats positively affects R. mendax adult occurrence on traps. However, the type of forest was critical such that presence of flies on traps declined with increasing distance from upland forest while distance from wetland forest had no effect. We also showed that R. mendax flies can disperse up to 76 m into a blueberry field from adjacent wooded habitat within 48 h. In sum, our study identified landscape features important for R. mendax occurrence in blueberry fields, which can improve sampling methods and the development of precision-based pest management programs. Based on our findings, monitoring efforts and insecticide applications for R. mendax should be targeted mainly to fields close to upland forest and directed to the field borders within distances of less than 80 m from field edges.

Original languageEnglish (US)
Pages (from-to)113-120
Number of pages8
JournalAgriculture, Ecosystems and Environment
Volume258
DOIs
StatePublished - Apr 15 2018

Fingerprint

Rhagoletis mendax
blueberries
Tephritidae
habitat
forest habitats
traps
farm
pests
overwintering
pest control
alternative hosts
mark-recapture studies
Vaccinium corymbosum
farm area
insecticide
trapping
lowland forests
pest management
habitats
edge effects

Keywords

  • Blueberry maggot fly
  • Geospatial analysis
  • Mark-release-recapture
  • Vaccinium corymbosum

Cite this

Landscape features determining the occurrence of Rhagoletis mendax (Diptera : Tephritidae) flies in blueberries. / Rodriguez-Saona, Cesar R.; Polk, Dean; Oudemans, Peter V.; Holdcraft, Robert; Zaman, Faruque U.; Isaacs, Rufus; Cariveau, Daniel P.

In: Agriculture, Ecosystems and Environment, Vol. 258, 15.04.2018, p. 113-120.

Research output: Contribution to journalArticle

Rodriguez-Saona, Cesar R. ; Polk, Dean ; Oudemans, Peter V. ; Holdcraft, Robert ; Zaman, Faruque U. ; Isaacs, Rufus ; Cariveau, Daniel P. / Landscape features determining the occurrence of Rhagoletis mendax (Diptera : Tephritidae) flies in blueberries. In: Agriculture, Ecosystems and Environment. 2018 ; Vol. 258. pp. 113-120.
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