Journal
JOURNAL OF ENVIRONMENTAL BIOLOGY
Volume 41, Issue 5, Pages 1132-1137Publisher
TRIVENI ENTERPRISES
DOI: 10.22438/jeb/41/5(SI)/MS_03
Keywords
Clutch weight; Color preference; Honey; Sugar
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Funding
- National Institute of Food and Agriculture (NIFA) Capacity Building Grant [201938821-29047]
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Aim: The aims of this study were to determine the preference of adults H. illucens to different sugar types, followed by examining which color background encourages feeding. Methodology: Three separate experiments were conducted; first, the feeding preference of H. illucens adults to three different sugar types were examined. Second, whether six different colors influenced feeding preference. Thirdly, oviposition frequency/clutch weight among two different colors and three bait types. Results: Honey was more preferred as compared to white sugar, brown sugar or water. A white background was preferred when feeding, while blue color was completely avoided. In contrast, blue was preferred over white for oviposition, based on significantly more clutches and weights. Moreover, baiting H. illucens adults with spent coffee grounds led to significantly more clutches and weights compared to sweet potato or spoiled fish feeds. Thus, using white backgrounds with honey can encourage feeding while a blue background can encourage oviposition. Interpretation: Feeding and oviposition activities can be easily separated in a simple and cost-effective way for commercial production.
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