Journal article
Malathion Influences Competition Between Aedes albopictus and Aedes japonicus
Journal of medical entomology, v 47(6), pp 1011-1018
01 Nov 2010
PMID: 21175048
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Competitive interactions may facilitate or repel invaders into new communities, and these interactions may depend on other environmental conditions such as the presence of pesticides. Malathion is widely used in controlling agricultural pests and mosquitoes worldwide. Small amounts of malathion, previously considered inconsequential, may in fact increase in lethality when combined with biotic stressors in aquatic systems. We tested whether low concentrations of malathion (0.11 ppm) that are often detected in aquatic systems, affect competition between two invasive mosquito species Aedes albopictus (Skuse) and Aedes japonicus Theobald. There were no survivors of Ae. japonicus larvae in malathion. There was a significant negative effect of Ae. japonicus density on Ae. albopictus survival, but this effect was absent in the presence of malathion. There was also a moderate negative effect of Ae. japonicus density on Ae. albopictus female size, but this effect was absent in the presence of malathion. These findings indicate that pesticide-mediated alterations in competition and species-specific differences in susceptibility to pesticides could play a role in enhancing invasive potential of Ae. albopictus.
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Details
- Title
- Malathion Influences Competition Between Aedes albopictus and Aedes japonicus
- Creators
- Banugopan Kesavaraju - Rutgers, The State University of New JerseyBarry Alto - Illinois Department of Natural ResourcesAli Afify - Rutgers, The State University of New JerseyRandy Gaugler - Rutgers, The State University of New Jersey
- Publication Details
- Journal of medical entomology, v 47(6), pp 1011-1018
- Publisher
- Oxford Univ Press
- Number of pages
- 8
- Grant note
- D-08-08292-06-10 / New Jersey Agricultural and Experimental Station D-08-08292-10-09 / state of Illinois
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Biology
- Web of Science ID
- WOS:000284567500007
- Scopus ID
- 2-s2.0-78649392072
- Other Identifier
- 991021229888504721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Entomology
- Veterinary Sciences