Volcano Mosquito Dissections

Dates

Publication Date: 2020-12-11
Start Date: 2017-08-21
End Date: 2017-11-16

Citation

LaPointe, D.A., and Crampton, L.M., 2020, Alakai Plateau, Kauai, and Volcano Village, Hawaii biopesticides and traps for the control of Culex quinquefasciatus, 2017-2018: U.S. Geological Survey data release, https://doi.org/10.5066/P96JOCVK.

Summary

Mosquito-borne avian malaria is a key limiting factor on Hawaiian forest bird populations. Preservation of endemic forest birds and restoration of Hawaiian forest bird communities will rely on mosquito control. While landscape level control is being developed managers need short term and reliable tools for monitoring and controlling mosquito populations to protect remaining breeding bird populations. As part of a larger study on the efficacy of the biopesticide VectoMax FG for control of larval Culex quinquefasciatus and adult mosquito traps for monitoring, USGS personnel evaluated host-seeking trap configurations and gravid trap lures for capturing adult mosquitoes (Culex quinquefasciatus and Aedes japonicus) in native forest habitat [...]

Summary

Mosquito-borne avian malaria is a key limiting factor on Hawaiian forest bird populations. Preservation of endemic forest birds and restoration of Hawaiian forest bird communities will rely on mosquito control. While landscape level control is being developed managers need short term and reliable tools for monitoring and controlling mosquito populations to protect remaining breeding bird populations. As part of a larger study on the efficacy of the biopesticide VectoMax FG for control of larval Culex quinquefasciatus and adult mosquito traps for monitoring, USGS personnel evaluated host-seeking trap configurations and gravid trap lures for capturing adult mosquitoes (Culex quinquefasciatus and Aedes japonicus) in native forest habitat from August to November 2017. Four trap sites were selected in a forest tract in Volcano Village. Traps were arranged in a 100-meter square and trap types and lures were rotated through each site during each week of the study in a latin square design. Both host-seeking traps (Biogents Sentinel Traps and CDC miniature light traps) and CDC Gravid Traps were operated nightly at each site from 1600 to 0700 hr the following morning. Collected mosquitoes were maintained on a 3% sucrose solution and later dissected for malarial diagnostics. Midguts and salivary glands were examined under compound microscopy (450X) for evidence of infection. Oocyst presence and intensity and sporozoite presence and relative intensity were recorded. The data provides for a comparison of trap types and lures for deriving malaria prevalence data and a useful measure of transmission risk at this time and place.

Contacts

Point of Contact :: Dennis Lapointe, Pacific Island Ecosystems Research Center
Process Contact :: Dennis Lapointe
Originator :: Dennis Lapointe, Lisa M. Crampton
Metadata Contact :: Dennis Lapointe
Publisher :: U.S. Geological Survey
Distributor :: U.S. Geological Survey - ScienceBase
SDC Data Owner :: Pacific Island Ecosystems Research Center
USGS Mission Area :: Ecosystems

Attached Files

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Volcano_Mosquito_Dissection.xlsx		49.9 KB	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
HawaiiDissections_FGDC_Final.xml Original FGDC Metadata	View	35.8 KB	application/fgdc+xml

Related External Resources

Type: Related Primary Publication

LaPointe, D.A., T.V. Black, M. Riney, K.W. Brinck, L.H. Crampton and J. Hite. 2021. Field trails to test new trap technologies for monitoring Culex populations and the efficacy of the biopesticide formulation VectoMax FG for control of larval Culex qinquefasciatus in the Alakai Plateau, Kauai, Hawaii. HCSU Technical Report Series: 96. Hawaii Cooperative Studies Unit, University of Hawaii at Hilo. pp 34. http://hdl.handle.net/10790/5384	http://hdl.handle.net/10790/5384

Purpose

The data was collected to attain baseline infection data from a known vector and a recently introduced potential vector. This data can be used to assess the disease risk to birds that may be translocated to the area and for comparisons of disease risk in critical habitat across the island or island chain or over time. It also can be used to evaluate which trap types and lures that might be best for collecting malaria prevalence data.

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