Laboratory Evaluation of the Flight Ability of Female Autographa nigrisigna (Lepidoptera: Noctuidae), Measured by Actograph and Flight Mill

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Abstract:

Autographa nigrisigna (Lepidoptera: Noctuidae) is the target species of the mating disruptant for vegetables, Confuser V. However, emergence of A. nigrisigna does not decrease in the Confuser V treated vegetable fields. As one of the reasons for this phenomenon, migration of mated females into the Confuser V treated area were considered. Thus, we studied the flight ability of female A. nigrisigna by using computer-interfaced actograph and flight mill devices. Flight measurements for mated and unmated individuals 4- to 6-d-old were recorded for 24 h. The results of the actograph assay revealed that mated females moved more actively than unmated females, possibly because of their oviposition behavior. Both the flight duration and flight range, which were measured by the flight mill device, decreased continuously with age and did not show a significant difference between mated and unmated females through the ages from 4 to 6 d. This result indicates that mating status did not directly affect the flight duration or range. From our experiments, it was suggested that females maintain physical energy after mating at the same level as before mating and then mated females locomote more actively around the host plants for oviposition. These speculations are discussed in relation to the control of A. nigrisigna by mating disruption.

Keywords: Autographa nigrisigna; actograph; flight ability; flight mill

Document Type: Research Article

DOI: http://dx.doi.org/10.1603/EC12272

Publication date: April 1, 2013

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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