Local extinction of the Asian tiger mosquito (Aedes albopictus) following rat eradication on Palmyra Atol
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Abstract
The Asian tiger mosquito, Aedes albopictus, appears to have been extirpated from Palmyra Atoll following rat eradication. Anecdotal biting reports, collection records, and regular captures in black-light traps showed the species was present before rat eradication. Since then, there have been no biting reports and no captures over 2 years of extensive trapping (black-light and scent traps). By contrast, the southern house mosquito, Culex quinquefasciatus, was abundant before and after rat eradication. We hypothesize that mammals were a substantial and preferred blood meal for Aedes, whereas Culex feeds mostly on seabirds. Therefore, after rat eradication, humans and seabirds alone could not support positive population growth or maintenance of Aedes. This seems to be the first documented accidental secondary extinction of a mosquito. Furthermore, it suggests that preferred host abundance can limit mosquito populations, opening new directions for controlling important disease vectors that depend on introduced species like rats.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Local extinction of the Asian tiger mosquito (Aedes albopictus) following rat eradication on Palmyra Atol |
| Series title | Biology Letters |
| DOI | 10.1098/rsbl.2017.0743 |
| Volume | 14 |
| Issue | 2 |
| Year Published | 2018 |
| Language | English |
| Publisher | The Royal Society Publishing |
| Contributing office(s) | Western Ecological Research Center |
| Description | Article 20170743; 4 p. |
| Other Geospatial | Palmyra Atoll |
| Google Analytic Metrics | Metrics page |