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  • Cutler, G Christopher  (2)
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  • 1
    Online Resource
    Online Resource
    Poecilus lucublandus (Coleoptera: Carabidae) and Pterostichus mutus Do Not Feed on Hair Fescue, Red Sorrel, and Poverty Oatgrass Seeds
    Oxford University Press (OUP) ; 2019
    In:  Journal of Insect Science Vol. 19, No. 2 ( 2019-03-01)
    Details
    In: Journal of Insect Science, Oxford University Press (OUP), Vol. 19, No. 2 ( 2019-03-01)
    Abstract: Poecilus lucublandus (Say), Pterostichus mutus (Say), and Harpalus rufipes (De Geer) are abundant Carabidae in lowbush blueberry fields and may contribute to weed seed predation. We used laboratory no-choice test experiments to determine if these beetles feed on seeds of hair fescue (Festuca filiformis Pourr., Poales: Poaceae), poverty oatgrass (Danthonia spicata L.), and red sorrel (Rumex acetosella L., Caryophyllales: Polygonaceae), which are common weeds in lowbush blueberry (Vaccinium angustifolium Ait., Ericales: Ericaceae) fields. Poecilus lucublandus and P. mutus did not feed on seeds of the test weed species, but H. rufipes consumed on average over 30 seeds of each species. There are other weed seeds in blueberry fields that could be palatable to P. lucublandus and P. mutus, which warrants further research on the granivory potential of these important carabid species.
    Type of Medium: Online Resource
    ISSN: 1536-2442
    URL: Article
    DOI: 10.1093/jisesa/iez027
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2019
    detail.hit.zdb_id: 2049098-7
    SSG: 12
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Short-Term Dispersal and Long-Term Spatial and Temporal Patterns of Carabidae (Coleoptera) in Lowbush Blueberry Fields
    Oxford University Press (OUP) ; 2020
    In:  Environmental Entomology Vol. 49, No. 3 ( 2020-06-13), p. 572-579
    Details
    In: Environmental Entomology, Oxford University Press (OUP), Vol. 49, No. 3 ( 2020-06-13), p. 572-579
    Abstract: Carabidae (Coleoptera) are important natural enemies of many insect pests in various cropping systems. Their population dynamics and how they disperse determine how effective they are at carrying out the natural enemy function. There are robust patterns of community dynamics in annual cropping systems, but it is unclear if these would carry over into a relatively underexplored North American perennial crop. In Nova Scotia lowbush blueberry fields, we found that Carabidae diversity did not change with distance from field edge nor with time. Their activity density also did not change with time, but it did change with distance from field edge. We also found that the most abundant carabid of lowbush blueberry, Harpalus rufipes (De Geer) (Coleoptera: Carabidae), can disperse approximately 14.5 m/d. Our results shed more light on the community dynamics of Carabidae in lowbush blueberry fields and can help growers make informed decisions when it comes to incorporating natural enemies into their pest management practices.
    Type of Medium: Online Resource
    ISSN: 0046-225X , 1938-2936
    URL: Article
    DOI: 10.1093/ee/nvaa047
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2020
    detail.hit.zdb_id: 2027540-7
    SSG: 12
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