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- Title
Artificial light at night has species‐specific effects on oviposition behavior of mosquitoes.
- Authors
Daufel, Sabrina M.; Bohenek, Jason R.; Sulliván, S. Mažeika Patricio
- Abstract
Artificial light at night (ALAN) is a pervasive and growing issue worldwide. ALAN disrupts the physiology and natural crepuscular and nocturnal behavior of organisms, with widely observed effects on insects. Mosquitoes (Diptera: Culicidae) are disease vectors that evaluate and select freshwater habitats as oviposition sites. This behavior has both ecological and epidemiological implications. However, it is unknown how ALAN affects mosquito oviposition. We compared oviposition rates in outdoor mesocosms exposed to light‐emitting diodes (LED, 3000 K, ca. 13 lux) with dark controls. We assayed the oviposition behavior of natural populations of mosquitoes by quantifying mosquito eggs (Culex restuans Theobald and Ochlerotatus japonicus Theobald) deposited in the experimental mesocosms over 7 days. Mosquitoes had species‐specific responses to ALAN. Mean cumulative Cx. restuans egg raft deposition was greater in control pools than in ALAN pools (21 vs. 10 eggs). We observed no response of Oc. japonicus, potentially reflecting the risk associated with the alternative oviposition strategies of the two species (eggs rafts vs. skip oviposition). Our results show that ALAN has species‐specific effects on organisms, thereby complicating our understanding of the behavioral and potential ecological and epidemiological effects of this novel anthropogenic stressor.
- Subjects
OVIPARITY; MOSQUITOES; DISEASE vectors; FRESHWATER habitats; CULEX; LIGHT emitting diodes; WEST Nile virus
- Publication
Entomologia Experimentalis et Applicata, 2023, Vol 171, Issue 10, p783
- ISSN
0013-8703
- Publication type
Article
- DOI
10.1111/eea.13346