Attracting dark-eyed fruit flies, drosophila repleta (diptera: drosophilidae), in swine facilities using color and odor
Hottel, Benjamin A.
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https://hdl.handle.net/2142/24170
Description
Title
Attracting dark-eyed fruit flies, drosophila repleta (diptera: drosophilidae), in swine facilities using color and odor
Author(s)
Hottel, Benjamin A.
Issue Date
2011-05-25T15:07:11Z
Director of Research (if dissertation) or Advisor (if thesis)
Ratcliffe, Susan T.
Department of Study
Entomology
Discipline
Entomology
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
Drosophila repleta
color attraction
volatile attraction
mass trapping
Abstract
Color and volatile preferences of Drosophila repleta were tested using sticky card and bottle traps. Species identity of D. repleta was confirmed using morphological characters; DNA COI sequence comparisons were inconclusive. Attraction to primary and secondary colors was tested with sticky cards in the laboratory; only primary colors were tested in the field. Laboratory trials were performed in clear plastic chambers. Other sticky card combinations included white, black, and grey. A white card with a black border was tested to examine contrast effects. Field trials were carried out at the University of Illinois Imported Swine Facility. Pinot Noir red wine, apple cider vinegar, and wet swine feed (the on-site material fed on by the flies) were used in volatile preference field trials. While there appeared to be some color preference in laboratory trials, field color trials failed to replicate laboratory results. Red wine was extremely attractive to D. repleta, but there were no differences in response to colors when tested in combination with a red wine volatile lure (P>0.05). It appears that odor plays a dominant role in attracting D. repleta, whereas color is less important.
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