. Bulletin. Agriculture; Agriculture. The Mosquitoes of New Jersey 91. Evaluating the Effect of the Work in Terms of Density of Mosqui- toes on the Wing Some method of estimating the results^ in terms of mosquitoes found must be devised, and it is probable that regular weekly or semi-weekly night collections will serve the purpose. Depending upon the citizens' reports is very unsatisfactory, because they are us- ually widely divergent and in many cases diametrically opposed. The method of making and interpreting night collections is set forth in the following Fig. 54. An unusual b
. Bulletin. Agriculture; Agriculture. The Mosquitoes of New Jersey 91. Evaluating the Effect of the Work in Terms of Density of Mosqui- toes on the Wing Some method of estimating the results^ in terms of mosquitoes found must be devised, and it is probable that regular weekly or semi-weekly night collections will serve the purpose. Depending upon the citizens' reports is very unsatisfactory, because they are us- ually widely divergent and in many cases diametrically opposed. The method of making and interpreting night collections is set forth in the following Fig. 54. An unusual breeding place of the house mosquito; sewage beds when water-logged become prolific breeders of mosquitoes. (Photo by Monmouth County Mosquito Extermination Commission). There is no occasion to begin making evening collections until the breeding conditions indicate that mosquitoes are beginning to get on the wing or some adults are discovered incidentally. In the spring when we have the salt-marsh, the woodland-pool, and the fresh- water swamp species to deal with, daylight collections will be satis- factory, provided they are made in the same manner, at the same time and in similar (preferably weedy or shrubby) places. When, however, as in early summer the house mosquitoes must be taken in-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New Jersey Agricultural Experiment Station. [New Brunswick, N. J. ] : The Station
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