Female Terrestrial Isopods, Porcellio laevis Latreille (Isopoda: Oniscidea) Reduce Brooding Duration and Fecundity in Response to Physical Stress
Abstract
Female Porcellio laevis (Isopoda: Oniscidea) brood eggs and young in ventral marsupial pouches, a reproductive strategy with pronounced physical and presumed fitness costs. This study examines the effect of physical stress on reproductive behavior. To induce excessive physical stress, gravid female P. laevis were subjected to five minutes of continuous locomotion daily throughout the brooding period. Stressed females exhibited significantly shorter brooding periods than controls. Although stressed and control groups did not differ in average body size, there was a strong trend of reduced fecundity in stressed females. These results indicate that female isopods modify critical elements of reproductive investment under conditions of physical stress.
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References 7 · Cited by 11
- Authors
- Kight, S. L., & Nevo, M.
- Affiliations
- Montclair State University (US)
- Corresponding author
- Kight, Scott L.
- ORCID
- Kight, Scott L.
- Venue
- Journal of the Kansas Entomological Society
- Publisher
- Kansas Entomological Society
- Published
- 2004-07
- Volume
- 77
- Issue
- 3
- Pages
- 285-287
- ISSN
- 0022-8567 (ISSN-L)
- OpenAlex
- W2178500781
- Cited by
- 11
- References
- 7
- Citations by year
- 2026: 1 · 2024: 1 · 2023: 1 · 2022: 1 · 2017: 1 · 2016: 1 · 2013: 1
- FWCI
- 0.30
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of the Kansas Entomological Society (publishedVersion)
- BioOne Complete (BioOne) (submittedVersion)
- Topics
- Physical Sciences › Environmental Science › Ecology › Crustacean biology and ecology
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
- Physical Sciences › Environmental Science › Ecology › Physiological and biochemical adaptations
- Keywords
- Porcellio laevis, terrestrial isopods, brooding, marsupial pouch, physical stress, fecundity, reproductive investment, locomotion, female reproductive behavior
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