Oviposition by female Plodia interpunctella (Lepidoptera: Pyralidae) : description and time budget analysis of behaviors in laboratory studies
ID Sambaraju, Kishan R. (Author), ID Donelson, Sarah L. (Author), ID Božič, Janko (Author), ID Phillips, Thomas W. (Author)

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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.

Keywords:Plodia interpunctella, Indian meal moth, oviposition, behavior, scotophase, photophase, stored products
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Publication status:Published
Publication version:Version of Record
Number of pages:16 str.
Numbering:Vol. 7, iss. 1, art. 4
PID:20.500.12556/RUL-130318 This link opens in a new window
ISSN on article:2075-4450
DOI:10.3390/insects7010004 This link opens in a new window
COBISS.SI-ID:3839823 This link opens in a new window
Publication date in RUL:13.09.2021
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Shortened title:Insects
COBISS.SI-ID:519122457 This link opens in a new window


License:CC BY 4.0, Creative Commons Attribution 4.0 International
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:01.03.2016


Funder:Other - Other funder or multiple funders
Funding programme:USDA, Risk Avoidance and Mitigation Program
Project number:S05035
Name:Consortium for Integrated Management of Stored Product Insect Pests

Funder:Other - Other funder or multiple funders
Funding programme:Oklahoma Agricultural Experiment Station

Funder:Other - Other funder or multiple funders
Funding programme:Kansas Agricultural Experiment Station

Funder:Other - Other funder or multiple funders
Funding programme:Fulbright Fellowship

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