Journal article
Role of relative humidity in colony founding and queen survivorship in two carpenter ant species
Journal of Economic Entomology, Vol.104(3), pp.740-744
2011
Abstract
Conditions necessary for optimal colony foundation in two carpenter ant species, Camponotus modoc Wheeler and Camponotus vicinus Mayr, were studied. Camponotus modoc and C. vicinus queens were placed in Douglas-fir, Pseudotsuga menziesii (Mirb. Franco) and Styrofoam blocks conditioned in sealed chambers at 70, 80, or 100% RH. Nanitic workers produced after 12 wk were used to assess the effects of substrate and moisture content on colony initiation. Queens of C. vicinus in Douglas-fir and Styrofoam produced worker numbers that did not differ significantly with moisture content; however, the number of colonies initiated by C. modoc differed significantly with moisture content. The results indicate that colony founding in C. vicinus is less sensitive to moisture content than C. modoc for Douglas-fir and Styrofoam. In another test, groups of queens of each species were exposed to 20, 50, 70, and 100% RH and the time until 50% mortality occurred was recorded for each species. C. vicinus lived significantly longer at each of the test humidities than C. modoc, suggesting that the former species is adapted to better survive under xeric conditions.
Details
- Title
- Role of relative humidity in colony founding and queen survivorship in two carpenter ant species
- Authors
- M E Mankowski (Author) - Rio Tinto Minerals, United StatesJeffrey J Morrell (Author) - Oregon State University, United States
- Publication details
- Journal of Economic Entomology, Vol.104(3), pp.740-744
- Publisher
- Oxford University Press
- Date published
- 2011
- DOI
- 10.1603/EC10319
- ISSN
- 0022-0493; 0022-0493
- Organisation Unit
- University of the Sunshine Coast, Queensland; National Centre for Timber Durability and Design Life
- Language
- English
- Record Identifier
- 99451427502621
- Output Type
- Journal article
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