The dispersal ability of wood cricket (Nemobius sylvestris) (Orthoptera:Gryllidae) in a wooded landscape

N.C. Brouwers; A.C. Newton; S. Bailey

doi:10.14411/eje.2011.015

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The dispersal ability of wood cricket (Nemobius sylvestris) (Orthoptera:Gryllidae) in a wooded landscape

Journal article

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Peer reviewed

The dispersal ability of wood cricket (Nemobius sylvestris) (Orthoptera:Gryllidae) in a wooded landscape

N.C. Brouwers, A.C. Newton and S. Bailey

European Journal of Entomology, Vol.108(1), pp.117-125

2011

DOI: https://doi.org/10.14411/eje.2011.015

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Abstract

Gryllidae

Nemobius sylvestris

dispersal ability

woodland

forest

population spread

landscape

habitat network

Information on the dispersal ability of flightless insect species associated with woodlands is severely lacking. Therefore, a study was conducted examining the dispersal ability of wood cricket (Nemobius sylvestris) juveniles (nymphs) and adults in a wooded landscape on the Isle of Wight, UK, to further our understanding of the ecology and management of this and other flightless insects. A series of experiments were conducted where nymphs and adults were released and observed at a range of spatial-temporal scales within different habitat environments. The results of this investigation indicated no difference in the dispersal ability of wood cricket nymphs and adults. However, adult females moved less than adult males. Adult males were found to spread twice as fast as females, and males were found capable of traversing up to 55 m away from woodland habitat through semi-natural and grazed grassland. Additionally, rates of population spread of both wood cricket nymphs and adults (males and females) were found to be accurately described by the inverse-power function, predicting only few individuals dispersing over time. Together this indicates that overall colonization success and rate of population spread, being female dependent, is likely to be low for this species. Wood crickets were found to live in and able to move along mature woodland edges directly bordering agricultural land. This indicates that conservation initiatives focusing on creating woodland corridors and developing woodland habitat networks have the potential to facilitate the spread and population viability of wood crickets, if the woodland edges are given enough time to develop. However, long-term monitoring is needed to evaluate the overall effectiveness of such approaches.

Details

Title: The dispersal ability of wood cricket (Nemobius sylvestris) (Orthoptera:Gryllidae) in a wooded landscape
Authors/Creators: N.C. Brouwers (Author/Creator)
A.C. Newton (Author/Creator)
S. Bailey (Author/Creator)
Publication Details: European Journal of Entomology, Vol.108(1), pp.117-125
Publisher: Akademie Ved Ceske Republiky
Number of pages: 9
Identifiers: 991005543627007891
Copyright: European Journal of Entomology
Murdoch Affiliation: School of Environmental Science; Centre of Excellence for Climate Change and Forest and Woodland Health
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.40 Forestry; 3.40.195 Biodiversity Conservation
Web Of Science research areas: Entomology
ESI research areas: Plant & Animal Science