Monday, 18 November 2002 - 2:00 PM
0525

This presentation is part of : Student Competition Ten-Minute Papers, Section D. Medical and Veterinary Entomology

Comparison of physiological and chronological techniques to measure age of female stable flies, Stomoxys calcitrans

Paula A. Macedo, University of Nebraska, Department of Entomology, Plant Industry Bldg, Lincoln, NE, Philip J. Scholl, USDA/ARS, UNL - Department of Entomology, Plant Industry Bldg, Lincoln, NE, and Alberto B. Broce, Kansas State University, Department of Entomology, 123 West Waters, Manhattan, KS.

All techniques currently in use for determination of the age of adult stable flies, Stomoxys calcitrans, have limitations. We conducted an investigation to measure relative sensitivity and accuracy of two current methods of age grading: chronological age using near-infrared spectroscopy (NIRS) and physiological or gonotrophic age by dissection of field-collected females. More than two thousand female stable flies collected from April-November 2001-2002 were initially dissected to determine physiological age and their heads individually placed on vials for subsequent analysis by NIRS.

Species 1: Diptera Muscidae Stomoxys calcitrans (stable fly)
Keywords: age grading, near-infrared spectroscopy

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