Seasonal and Daily Patterns in Activity of the Western Drywood Termite, Incisitermes minor (Hagen)

Activity of colonies of the western drywood termite, Incisitermes minor, was measured with acoustic emission (AE) technology in five loquat (Eriobotrya japonica) logs. Termite activity, whether it was feeding, excavation or movement, was monitored for 11 months under ambient conditions in a small wo...

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Main Authors: Vernard Lewis, Shawn Leighton, Robin Tabuchi, Michael Haverty
Format: Article
Language:English
Published: MDPI AG 2011-12-01
Series:Insects
Subjects:
Online Access:http://www.mdpi.com/2075-4450/2/4/555/
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author Vernard Lewis
Shawn Leighton
Robin Tabuchi
Michael Haverty
author_facet Vernard Lewis
Shawn Leighton
Robin Tabuchi
Michael Haverty
author_sort Vernard Lewis
collection DOAJ
description Activity of colonies of the western drywood termite, Incisitermes minor, was measured with acoustic emission (AE) technology in five loquat (Eriobotrya japonica) logs. Termite activity, whether it was feeding, excavation or movement, was monitored for 11 months under ambient conditions in a small wooden structure maintained at the University of California Richmond Field Station. AE, temperature, and humidity data were measured in 3-minute increments. Termite activity was greater during the warmer summer months compared to the cooler winter months. Termites in all five logs displayed a similar daily cycle of activity, peaking in the late afternoon. Seasonal and daily fluctuations in termite activity were significantly associated with temperature, whereas humidity did not appear to have a noticeable effect on termite activity. Possible mechanisms that drive the seasonal and daily cycles in termite activity, as measured by AE technology, and the possible implications for inspections and post-treatment analysis are discussed.
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spelling doaj.art-38bf55bb096c40cf9e2247dd19d5490f2022-12-22T02:22:22ZengMDPI AGInsects2075-44502011-12-012455556310.3390/insects2040555Seasonal and Daily Patterns in Activity of the Western Drywood Termite, Incisitermes minor (Hagen)Vernard LewisShawn LeightonRobin TabuchiMichael HavertyActivity of colonies of the western drywood termite, Incisitermes minor, was measured with acoustic emission (AE) technology in five loquat (Eriobotrya japonica) logs. Termite activity, whether it was feeding, excavation or movement, was monitored for 11 months under ambient conditions in a small wooden structure maintained at the University of California Richmond Field Station. AE, temperature, and humidity data were measured in 3-minute increments. Termite activity was greater during the warmer summer months compared to the cooler winter months. Termites in all five logs displayed a similar daily cycle of activity, peaking in the late afternoon. Seasonal and daily fluctuations in termite activity were significantly associated with temperature, whereas humidity did not appear to have a noticeable effect on termite activity. Possible mechanisms that drive the seasonal and daily cycles in termite activity, as measured by AE technology, and the possible implications for inspections and post-treatment analysis are discussed.http://www.mdpi.com/2075-4450/2/4/555/feeding periodicityseasonalitydrywood termitesKalotermitidaeIsoptera
spellingShingle Vernard Lewis
Shawn Leighton
Robin Tabuchi
Michael Haverty
Seasonal and Daily Patterns in Activity of the Western Drywood Termite, Incisitermes minor (Hagen)
Insects
feeding periodicity
seasonality
drywood termites
Kalotermitidae
Isoptera
title Seasonal and Daily Patterns in Activity of the Western Drywood Termite, Incisitermes minor (Hagen)
title_full Seasonal and Daily Patterns in Activity of the Western Drywood Termite, Incisitermes minor (Hagen)
title_fullStr Seasonal and Daily Patterns in Activity of the Western Drywood Termite, Incisitermes minor (Hagen)
title_full_unstemmed Seasonal and Daily Patterns in Activity of the Western Drywood Termite, Incisitermes minor (Hagen)
title_short Seasonal and Daily Patterns in Activity of the Western Drywood Termite, Incisitermes minor (Hagen)
title_sort seasonal and daily patterns in activity of the western drywood termite incisitermes minor hagen
topic feeding periodicity
seasonality
drywood termites
Kalotermitidae
Isoptera
url http://www.mdpi.com/2075-4450/2/4/555/
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