volume 120, issue 4, P410-a-411 1963
DOI: 10.1176/ajp.120.4.410-a
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FRANZ J. KALLMANN

Abstract: This monograph presents the detailed methods and findings of a highly complex series of entomological studies that have culminated in techniques for the accurate age grading of adult female mosquitoes, gnats and sand flies. The techniques are based on microscopic examination of the ovaries to observe physical changes associated with the taking of a blood-meal and subsequent maturation and deposition of eggs. In application to Anopheles mosquitoes a sample of a field population can now be age graded and for ea…

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