Evaluation of Novel Trapping Lures for Monitoring Exotic and Native Container-Inhabiting Aedes spp. (Diptera: Culicidae) Mosquitoes

Evaluation of Novel Trapping Lures for Monitoring Exotic and Native Container-Inhabiting Aedes spp. (Diptera: Culicidae) Mosquitoes

Surveillance for diurnal container-inhabiting mosquitoes such as Aedes albopictus (Skuse), Aedes japonicus japonicus (Theobald), and Aedes triseriatus (Say) have routinely relied on the deployment of multiple trap types, including CO2-baited light traps, gravid traps, oviposition traps, and BG-Senti...

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Bibliographic Details
Published in:Journal of medical entomology Vol. 57; no. 2; pp. 534 - 541
Main Authors: Eastwood, Gillian, Donnellycolt, Andrew K., Shepard, John J., Misencik, Michael J., Bedoukian, Robert, Cole, Lacey, Armstrong, Philip M., Andreadis, Theodore G.
Format: Journal Article
Language:English
Published: US Entomological Society of America 27-02-2020
Oxford University Press
Subjects:
Aedes
Aedes albopictus
Analysis
Animals
Aquatic insects
arbovirus
Attractants
Canyons
Carbon dioxide
Connecticut
container-inhabiting
Containers
Culicidae
Diurnal
Female
Health aspects
Insecticides
Light traps
lure
Monitoring
mosquito
Mosquito Control - instrumentation
Mosquitoes
Odorants
Oviposition
Perfumes
Species richness
Species Specificity
Surveillance
VECTOR-BORNE DISEASES, SURVEILLANCE, PREVENTION
Vectors
Viruses
Connecticut
United States
container-inhabiting
surveillance
lure
arbovirus
mosquito
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Summary:Surveillance for diurnal container-inhabiting mosquitoes such as Aedes albopictus (Skuse), Aedes japonicus japonicus (Theobald), and Aedes triseriatus (Say) have routinely relied on the deployment of multiple trap types, including CO2-baited light traps, gravid traps, oviposition traps, and BG-Sentinel. These trap configurations have met with varying degrees of effectiveness and in many instances likely under-sample these key mosquito vectors. Most recently, the BG-Sentinel trap used in conjunction with the human-scent lure has been largely accepted as the gold-standard for monitoring Ae. albopictus. However, its ability to attract other container-inhabiting Aedes species has not been fully evaluated. During 2018, we tested new scent lures, Trap Tech Lure-A and Lure-H (Bedoukian Research, Inc.), using BG-Sentinel traps with CO2 in two regions of Connecticut, Stamford and Hamden, against the BG-Lure. Pooled mosquitoes were additionally screened for arbovirus infection. A total of 47,734 mosquitoes representing 8 genera and 32 species were captured during the study, with the Stamford site deriving on average three times as many mosquitoes per trap, adjusting for sampling effort. Lure-A and Lure-H outperformed the BG-Lure in terms of total numbers, diversity evenness, and the proportion of both Ae. j. japonicus and Ae. triseriatus. There were no significant differences among lures in capturing Ae. albopictus, and in terms of species richness. Fifty-seven isolates of virus (West Nile, Jamestown Canyon, and La Crosse viruses) were obtained during the study, with no significant difference between trap-lure. We highlight both novel lures as effective attractants for use in mosquito surveillance=, which either outperform, or equal, BG-Lure.
ISSN:0022-2585
1938-2928
DOI:10.1093/jme/tjz200