A Dry Ice-Baited Trap for the Collection and Field Storage of Hematophagous Diptera1

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Abstract
The described trap was baited with dry ice, the carbon dioxide from which attracted a wide variety of species of Simuliidae, Tabanidae, and Culicidae of the genus Aedes. Attracted in fewer numbers were species of Ceratopogonidae, bloodsucking Muscidae, Chloropidae (Hippelates), and mosquitoes of the genera Anopheles, Culex, Culiseta, and Mansonia. Captured Diptera slid, while still alive, into a dry ice chamber, and the frozen collections were removed at 2- to 3-day intervals. Material thus collected furnished information on seasonal occurrence of the Diptera and was suitable for attempted arbovirus isolations.

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