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  • STUDIES OF LATHROMEROIDEA SP.NOV. (HYMENOPTERA: TRICHOGRAMMATIDAE), A PARASITOID OF GERRID EGGS
  • Nidia Priscila Henriquez, John R. Spence
  • Journal: The Canadian Entomologist / Volume 125 / Issue 4 / August 1993
  • Published online by Cambridge University Press: 31 May 2012, pp. 693-702
  • Print publication: August 1993
  • View abstract

    Use of gerrids (Hemiptera: Gerridae) as primary hosts by the solitary egg parasitoid Lathromeroidea sp.nov. is established and parasitoid reproductive behaviour is described. Four species of Limnoporus (L. dissortis Drake and Harris, L. notabilis Drake and Hottes, L. rufoscutellatus Latreille, and L. esakii Miyamoto) and two of Gerris (G. buenoi Kirkaldy and G. pingreensis Drake and Hottes) were successfully parasitized in the laboratory. A greater proportion of wasps eclosed successfully from eggs of Gerris than from Limnoporus. Host size was directly proportional to both weight and body length of adult parasitoids. Sex ratios were female-biased, with males emerging before females.