MALLY, C. W.
Reprinted from the Fanners'Weekly
In South Africa the adult stage of the house-fly (Musca domestica) is reached 11 days after oviposition. The total number of eggs deposited by a single female is about 500, and if conditions are favourable there are 12 generations annually.
The use of sodium arsenite as a means of control is given at some length [see this Review, Ser. B, iii, pp. 220-221]. In addition to the use of branches of Acacia cyclopis as a carrier for the sweetened solution, sawdust, oiled paper, sacking, canvas, straw, etc. may be utilised. Where carriers are not available, the bait should be sprinkled freely over the breeding places.
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