Age determination in the adult screwworm (Diptera: Calliphoridae) by pteridine levels.

@article{Thomas1989AgeDI,
  title={Age determination in the adult screwworm (Diptera: Calliphoridae) by pteridine levels.},
  author={Donald B. Thomas and Andrew C .N. Chen},
  journal={Journal of economic entomology},
  year={1989},
  volume={82 4},
  pages={
          1140-4
        }
}
Fluorescence spectrophotometry was used to assess the possible use of pteridines in the compound eyes to estimate the age of adult screwworms, Cochliomyia hominivorax (Coquerel). Factors affecting the quantities of pteridines include temperature and head size. No difference in pteridine levels was found among flies fed protein or carbohydrate. A regression model for estimating the age of female screwworms was constructed. The model uses head capsule size and relative pteridine quantities and… CONTINUE READING
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