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5 June 2020 Aedes albopictus oviposits with other Aedes species in artificial oviposition cups: a case study in Knox County, Tennessee, U.S.A.
A. Dixson, R.N. Jackson, R.D. Rowe, R. Nease, R.T. Trout Fryxell
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Abstract

Interspecific associations between two mosquito species can lead to effects such as competition, species displacement, and species stability. To better understand Aedes albopictus (Skuse) and other Aedes species, we monitored eggs in artificial oviposition cups (ovitraps) within Knox County, TN, U.S.A., during the 2016 and 2017 mosquito seasons. In 2016, one black and one white ovitrap were placed at 18 sites for 21 weeks, while in 2017 black and white ovitraps baited with grass-infused or deionized water were placed at 11 sites for nine weeks. Eggs were identified to species and resulting counts were used to determine the degree of interspecific association using Cole's coefficients (C7) and the degree of heterogeneity across space and time using generalized linear mixed models (GLMM). Here, Aedes mosquitoes are generally ovipositing in black cups with grass-infused water, and Ae. albopictus eggs co-occurred with other Aedes species more often than would be expected. Finding a positive significant interspecific association between Ae. albopictus and other Aedes eggs suggests that methods used to control Ae. albopictus may also control other Aedes mosquitoes. Finding that Ae. albopictus co-occurs with other Aedes mosquitoes warrants additional research to evaluate outcomes associated with co-occurrence within the study area.

A. Dixson, R.N. Jackson, R.D. Rowe, R. Nease, and R.T. Trout Fryxell "Aedes albopictus oviposits with other Aedes species in artificial oviposition cups: a case study in Knox County, Tennessee, U.S.A.," Journal of Vector Ecology 45(1), 2-15, (5 June 2020). https://doi.org/10.1111/jvec.12368
Received: 10 June 2019; Accepted: 26 October 2019; Published: 5 June 2020
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KEYWORDS
Aedes
Culicidae
distribution
ecology
oviposition
surveillance
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