Advertisement

Experimental & Applied Acarology

, Volume 25, Issue 2, pp 143–149 | Cite as

Male Morph Determination in Rhizoglyphus Echinopus (Acaridae)

  • Jacek Radwan
Article

Abstract

In Rhizoglyphus echinopus (Fumouze and Robin) two male morphs occur: heteromorphs, with a thickened and sharply terminated third pair of legs that serve as a weapon in intrasexual conflicts, and homeomorphs, with unmodified legs. This study investigated the system of male morph determination. No significant heritability of male morph was found, but cues emanating from a dense colony were found to suppress the production of heteromorphs. Developmental plasticity was retained throughout the protonymphal stage. Diet did not influence morph expression, but lowered temperature decreased the proportion of heteromorphs emerging.

Acari polymorphism polyphenism alternative mating tactics phenotypic plasticity intrasexual conflict 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. Bradshaw, A.D. 1973. Homeostasis and polymorphism in vernal development of Chaoborus americanus. Ecology 54: 1247-1259.Google Scholar
  2. Diaz, A.,Okabe, K.,Eckenrode, C.J.,Villani, M.G. andOConnor, B.M. 2000. Biology, ecology, and management of the bulb mites of the genus Rhizoglyphus (Acari: Acaridae). Exp. Appl. Acarol. 24: 85-113.Google Scholar
  3. Foa, A. 1919. Studio del polimorfismo unisessuale del Rhizolyphus echinopus. Memoria Accad. Pontificia Nuovi Lincei. Roma Ser. V 12: 3-109.Google Scholar
  4. Gerson, U.,Capua, S. andThorens, D. 1983. Life history and life tables of Rhizoglyphus robini Claparede (Acari: Astigmata: Acaridae). Acarologia 24: 439-448.Google Scholar
  5. Gross, M.R. 1996. Alternative reproductive strategies and tactics: diversity within sexes. Trends Ecol. Evol. 11: 92-98.Google Scholar
  6. Hughes, A.M. 1976. The mites of stored food and houses. Tech. Bull. 9, Minis. Agric. Fish. Food, London.Google Scholar
  7. Manson, D.C.M. 1972. A contribution to the study of the genus Rhizoglyphus Claparede, 1969 (Acarina: Acaridae). Acarologia 13: 621-650.Google Scholar
  8. Moran, N.A. 1992. The evolutionary maintenance of alternative phenotypes. Am. Nat. 139: 971-989.Google Scholar
  9. Oliver, J.H. Jr 1977. Cytogenetics of mites and ticks. Ann. Rev. Entomol. 22: 407-429.Google Scholar
  10. Radwan, J. 1993a. The adaptive significance of male polymorphism in the acarid mite Caloglyphus berlesei. Behav. Ecol. Sociobiol. 33: 201-208.Google Scholar
  11. Radwan, J. 1993b. Kin recognition in the acarid mite, Caloglyphus berlesei-negative evidence. Anim. Behav. 45: 200-202.Google Scholar
  12. Radwan, J. 1995. Male morph determination in two species of acarid mites. Heredity 74: 669-673.Google Scholar
  13. Radwan, J. andBogacz, I. 2000. Comparison of life-history traits of the two male morphs of the bulb mite, Rhizoglyphus robini. Exp. Appl. Acarol. 24: 115-121.Google Scholar
  14. Radwan, J.,Czyz M.,Konior, M. andKolodziejczyk, M., 2000. Aggressiveness in the two male morphs of the bulb mite, Rhizoglyphus robini. Ethology 106: 53-62.Google Scholar
  15. Radwan, J. andKlimas, M. 2001. Male dimorphism in the bulb mite: fighters survive better. Ethol. Ecol. Evol. 13: 69-79.Google Scholar
  16. Roff, D.A. 1996. The evolution of threshold traits in animals. The Quart. Rev. Biol. 71: 1-35.Google Scholar
  17. Timms, S.,Ferro, D.N. andEmberson, R.M. 1980a. Selective advantage of pleomorphic male Sancassania berlesei (Michael) (Acari: Acaridae). Int. J. Acarol. 6: 97-102.Google Scholar
  18. Timms, S.,Ferro, D.N. andWaller, J.B. 1980b. Suppression of production of pleomorphic males in Sancassania berlesei (Michael) (Acari: Acaridae). Int. J. Acarol. 6: 91-96.Google Scholar
  19. Timms, S.,Ferro, D.N. andEmberson, R.M. 1981. Andropolymorphism and its heritability in Sancassnia berlesei (Michael) (Acari: Acaridae). Acarologia 22: 391-398.Google Scholar
  20. Wcislo, W.T. 1989. Behavioral environments and evolutionary change. Annu. Rev. Ecol. Syst. 20: 137-169.Google Scholar
  21. Woodring, J.P. 1969a. Environmental regulation of andropolymorphism in Tyroglyphids (Acari). In: Proceedings of the 2nd International Congress of Acarology, G.O. Evans (ed.), pp. 433-440. Academiai Kiado, Budapest.Google Scholar
  22. Woodring, J.P. 1969b. Observations on the biology of six species of acarid mites. Ann. Entomol. Soc. Am. 62: 102-108.Google Scholar

Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  • Jacek Radwan
    • 1
  1. 1.Institute of BiologyPedagogical AcademyCracowPoland

Personalised recommendations