Seasonal Adult Sex Ratio Shift in the Praying Mantid Iris oratoria (Mantodea: Mantidae)

@article{Maxwell1998SeasonalAS,
  title={Seasonal Adult Sex Ratio Shift in the Praying Mantid Iris oratoria (Mantodea: Mantidae)},
  author={Michael R. Maxwell},
  journal={Environmental Entomology},
  year={1998},
  volume={27},
  pages={318-323}
}
  • M. R. Maxwell
  • Published 1 April 1998
  • Psychology
  • Environmental Entomology
The adult sex ratio of the praying mantid Iris aratoria L. becomes increasingly female-biased as the season progresses. This 3-yr field study examines 3 possible causes of this shift in sex ratio: differences between the sexes in the date of adult eclosion, movement to and from the census area, and adult lifespan. In the field, male and female eclosion dates did not differ significantly. Movement to and from the census area was low for females and males. For each year, the number of females… 
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