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Insects 2016, 7(1), 4; doi:10.3390/insects7010004

Oviposition by Female Plodia interpunctella (Lepidoptera: Pyralidae): Description and Time Budget Analysis of Behaviors in Laboratory Studies

1
Department of Entomology and Plant Pathology, Oklahoma State University, Stillwater, OK 74078, USA
2
Natural Resources Canada, Canadian Forest Service, 1055 du PEPS, Québec, QC G1V 4C7, Canada
3
Monsanto Company, 800 North Lindbergh Blvd., St. Louis, MO 63167, USA
4
Department of Biology, University of Ljubljana, Ljubljana 1000, Slovenia
5
Department of Entomology, 123 W. Waters Hall, Kansas State University, Manhattan, KS 66506, USA
*
Author to whom correspondence should be addressed.
Academic Editors: Vincenzo Palmeri, Christos G. Athanassiou, Nickolas G. Kavallieratos and Orlando Campolo
Received: 9 December 2015 / Revised: 15 January 2016 / Accepted: 19 January 2016 / Published: 22 January 2016
(This article belongs to the Special Issue Alternatives to Chemical Control of Stored-Product Insects)
View Full-Text   |   Download PDF [1285 KB, uploaded 22 January 2016]   |  

Abstract

The oviposition behavior of the Indian meal moth, Plodia interpunctella (Hübner) (Lepidoptera: Pyralidae), a major insect pest of durable stored foods, was studied in small experimental arenas under laboratory conditions using videography, and a time budget analysis of its behaviors was documented. Resting gravid females typically became active shortly after the start of the scotophase. The characteristic behaviors exhibited by mated females prior to oviposition included antennal movement, grooming of antennae and mouth parts using the forelegs, walking or flying, and abdomen bending and dragging. Pre-oviposition behaviors such as antennal grooming and walking or flying were observed to alternate several times before females commenced the abdominal dragging behavior that preceded egg laying. Eggs were laid singly or sometimes in groups, either freely or stuck to food material. Gravid females showed little or no movement during the photophase; however, they actively flew and oviposited during the scotophase. Females allocated only a small portion of their time to oviposition while the rest of the time was spent away from food. Females oviposited on food material by making repeated visits, predominantly during the first four hours of the scotophase. Visits and time spent on food declined as the scotophase advanced. View Full-Text
Keywords: Plodia interpunctella; Indian meal moth; oviposition; behavior; scotophase; photophase; stored products Plodia interpunctella; Indian meal moth; oviposition; behavior; scotophase; photophase; stored products
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Sambaraju, K.R.; Donelson, S.L.; Bozic, J.; Phillips, T.W. Oviposition by Female Plodia interpunctella (Lepidoptera: Pyralidae): Description and Time Budget Analysis of Behaviors in Laboratory Studies. Insects 2016, 7, 4.

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