The Biology of Exechesops foliatus Frieser, 1995 (Coleoptera, Curculionoidea, Anthribidae) in the European Part of Its Range

The life cycle, host plants, distribution, and economic importance of Exechesops foliatus Frieser, 1995 in the European part of its range was studied. The species has a one-year generation. Its larvae feed and develop in the seeds of Acer tataricum and A. ginnala . Adult beetles are active from earl...

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Bibliographic Details
Published in:Entomological review 2018-11, Vol.98 (8), p.1017-1022
Main Authors: Nikulina, T. V., Martynov, V. V.
Format: Article
Language:English
Subjects:
Acer ginnala
Acer tataricum
Beetles
Biomedical and Life Sciences
Coleoptera
Economic importance
Exechesops foliatus
Host plants
Larvae
Legal fees
Life cycles
Life Sciences
Oviposition
Parasites
Plants (Organisms)
Pupation
Seeds
Zoology
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Description
Summary:The life cycle, host plants, distribution, and economic importance of Exechesops foliatus Frieser, 1995 in the European part of its range was studied. The species has a one-year generation. Its larvae feed and develop in the seeds of Acer tataricum and A. ginnala . Adult beetles are active from early June to mid-August, and oviposition continues from late June to early July. Larvae develop from the end of June to mid-August; late instar larvae hibernate, and pupation begins in May of the following year. From 1.5 to 97.0% of maple seeds were damaged. No parasites were found but up to 25% of the weevil larvae were infested with predatory mites of the genus Pyemotes, with 1 to 15 mites per larva.
ISSN:0013-8738
1555-6689
DOI:10.1134/S0013873818080080