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1 March 2008 Effect of Conveyance Pipe Dimension and Orientation on Mosquito Oviposition in a Simulated Stormwater Management Device
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Abstract

Simulated stormwater management devices baited with alfalfa infusion were constructed to test conveyance pipe dimension and orientation as a potential deterrent to mosquito oviposition. Various configurations of pipe diameter, length, and orientation were evaluated based on egg raft counts. Field trials tested pipes of 1.3-, 5-, and 10-cm diam and 0-, 90-, or 270-cm lengths, in both horizontal and vertical orientations. Additional trials of 10-cm-diam horizontal pipe evaluated the effects of a 90° bend, single or dual entry points, and lengths greater than 270 cm. Significantly fewer egg rafts were collected in pipes of smaller diameter and longer length in both horizontal and vertical orientations. A 90° bend or removal of an entry point to pipes of fixed length had no significant effect on oviposition. A maximum tested length of 24.4 m did not preclude oviposition. The results of this study suggest that manipulating diameter and length of conveyance pipe in stormwater management devices may not be an effective strategy to deter oviposition. The need for integrating improved, novel, nonchemical mosquito control measures into designing and operating stormwater management structures is discussed.

Justin E. Harbison, Marco E. Metzger, Renjie Hu, Curtis L. Fritz, and Vicki L. Kramer "Effect of Conveyance Pipe Dimension and Orientation on Mosquito Oviposition in a Simulated Stormwater Management Device," Journal of the American Mosquito Control Association 24(1), 98-104, (1 March 2008). https://doi.org/10.2987/5628.1
Published: 1 March 2008
JOURNAL ARTICLE
7 PAGES

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