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The Deposition of Airborne Droplets on dead House-flies (Musca domestica L.)

Publisher: Cambridge University Press

E-ISSN: 1475-2670|50|2|327-332

ISSN: 0007-4853

Source: Bulletin of Entomological Research, Vol.50, Iss.2, 1959-08, pp. : 327-332

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Abstract

An experimental laboratory study of the deposition of droplets on dead house-flies (Musca domestica L.) was made, using a spinning-top sprayer to produce a spray of uniformly sized oil droplets and a cascade impactor to measure the concentration of the spray of droplets, which were dyed. The deposits obtained on a dead house-fly and a cascade-impactor slide when these were exposed in turn to a wind of 1 m. per sec. in a wind tunnel were compared colorimetrically, and determinations thus made of the collection efficiency of the flies, defined as the volume of liquid deposited on an object expressed as a percentage of the volume that would have passed through the same cross-section as the object had that not been there.