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1 June 2007 Acoustic Indicators for Mapping Infestation Probabilities of Soil Invertebrates
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Abstract

Acoustic and traditional excavation methods were used in consecutive summers to conduct two geospatial surveys of distributions of white grubs and other soil invertebrates in two forage fields. Indicator variables were constructed from listener- and computer-based assessments of sounds detected at each recording site and then applied in geostatistical analysis, contingency analysis, and spatial analysis of distance indices (SADIE) of soil invertebrate distributions. Significant relationships were identified between the acoustic indicators and the counts of sound-producing soil invertebrates in a majority of the geostatistical and contingency analyses. Significant clusterings and overall spatial associations were identified also in most of the SADIE analyses. In addition, significant local spatial associations were identified between acoustic indicators and counts of sound-producing soil invertebrates that could be of potential value in selection of specific sites as targets for treatment or for untreated reserves in integrated pest management programs. An example is presented of the relative efficiency of acoustic surveys for targeting of white grub treatments.

R. W. Mankin, J. L. Hubbard, and K. L. Flanders "Acoustic Indicators for Mapping Infestation Probabilities of Soil Invertebrates," Journal of Economic Entomology 100(3), 790-800, (1 June 2007). https://doi.org/10.1603/0022-0493(2007)100[790:AIFMIP]2.0.CO;2
Received: 12 November 2006; Accepted: 14 January 2007; Published: 1 June 2007
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