Feeding Habits and Gut Fauna of Zootermopsis angusticollis (Isoptera: Termopsidae) in Response to Wood Species and Fungal Associates

M E Mankowski; T D Schowalter; Jeffrey J Morrell; B Lyons

doi:10.1093/ee/27.6.1315

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Feeding Habits and Gut Fauna of Zootermopsis angusticollis (Isoptera: Termopsidae) in Response to Wood Species and Fungal Associates

Journal article

Peer reviewed

Feeding Habits and Gut Fauna of Zootermopsis angusticollis (Isoptera: Termopsidae) in Response to Wood Species and Fungal Associates

M E Mankowski, T D Schowalter, Jeffrey J Morrell and B Lyons

Environmental Entomology, Vol.27(6), pp.1315-1322

1998

DOI: https://doi.org/10.1093/ee/27.6.1315

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Abstract

Zootermopsis angusticollis

Trichoderma viride

Stereum sanguinolentum

gut protozoa

feeding behavior

Feeding preferences and consumption were evaluated to measure rate of wood consumption and the response of the gut fauna of Zootermopsis angusticollis to 4 conifers and 2 fungal species. In both choice and forced-feeding tests, exposure to Trichoderma viride Pers.:Fr. reduced consumption of Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] and western hemlock [Tsuga heterophylla (Raf.) Sarg.] but did not affect noble fir (Abies procera Rehd.) or western redcedar (Thuja plicata Donn ex D. Don). Exposure to Stereum sanguinolentum Albertini & Schwein.:Fr. increased consumption of Douglas-fir but reduced consumption of western hemlock in a choice feeding test and increased consumption of Douglas-fir and western redcedar in a forced-feeding test. Numbers of gut protozoa increased in Douglas-fir-conditioned termites fed T. viride-inoculated wood in the choice test and in termites fed Douglas-fir or noble fir in the forced-feeding test. Fungal exposure had no effect on termite mortality in the choice test, but mortality was significantly lower in termites feeding on western redcedar exposed to S. sanguinolentum. Significant treatment interactions indicated that prior experience and fungal preconditioning affected choice of wood species and populations of gut protozoa.

Details

Title: Feeding Habits and Gut Fauna of Zootermopsis angusticollis (Isoptera: Termopsidae) in Response to Wood Species and Fungal Associates
Authors: M E Mankowski (Author) - Oregon State University, United States
T D Schowalter (Author) - Oregon State University, United States
Jeffrey J Morrell (Author) - Oregon State University, United States
B Lyons (Author) - Oregon State University, United States
Publication details: Environmental Entomology, Vol.27(6), pp.1315-1322
Publisher: Oxford University Press
Date published: 1998
DOI: 10.1093/ee/27.6.1315
ISSN: 0046-225X
Organisation Unit: University of the Sunshine Coast, Queensland; National Centre for Timber Durability and Design Life
Language: English
Record Identifier: 99450753702621
Output Type: Journal article

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