Sexual comparisons in immune ability, survival and parasite intensity in two damselfly species.

  title={Sexual comparisons in immune ability, survival and parasite intensity in two damselfly species.},
  author={Alex C{\'o}rdoba-Aguilar and Jorge Contreras-Gardu{\~n}o and H Peralta-V{\'a}zquez and Antonio Luna-Gonz{\'a}lez and {\'A}ngel Isidro Campa-C{\'o}rdova and Felipe Ascencio},
  journal={Journal of insect physiology},
  volume={52 8},
Recent evolutionary studies have suggested that females have a more robust immune system than males. Using two damselfly species (Hetaerina americana and Argia tezpi), we tested if females produced higher immune responses (as phenoloxidase and hydrolytic enzymes), had a higher survival (using a nylon implant inserted in the abdomen and measuring survival after 24h) and fewer parasites (gregarines and water mites) than males. We also tested whether immune differences should emerge in different… CONTINUE READING

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