Reproductive performance and longevity of female European corn borer, Ostrinia nubilalis: Effects of multiple mating, delay in mating, and adult feeding

Henry Y. Fadamiro, Thomas C. Baker

Research output: Contribution to journalArticlepeer-review

83 Scopus citations

Abstract

In a recent study on the pheromone-mating disruption of the European corn borer, Ostrinia nubilalis (Lepidoptera: Crambidae), we recorded a significant reduction in mating frequency, as well as a marked delay in mating in fetal females captured in disruptant-treated fields. In order to be able to accurately interpret the results in terms of effective population control, the current study was undertaken on the effects of multiple matings and a delay in mating on reproductive performance. Female O. nubilalis that mated at least twice had significantly higher fecundity and fertility, compared with once-mated females. In addition, multiple-mated females deposited a significantly larger portion of their egg complement, relative to single-mated or unmated females. Females that experienced a 3-day delay in mating showed a significant reduction in fecundity compared with females that mated soon after emergence. A 1-week delay in mating resulted in a further reduction in fecundity and a near zero fertility. The effect of sugar feeding on reproduction was not significant. In general, unmated females lived longer than mated females, and sugar-fed mated females had a higher longevity than water-fed mated females.

Original languageEnglish (US)
Pages (from-to)385-392
Number of pages8
JournalJournal of Insect Physiology
Volume45
Issue number4
DOIs
StatePublished - Apr 1999

All Science Journal Classification (ASJC) codes

  • Physiology
  • Insect Science

Fingerprint

Dive into the research topics of 'Reproductive performance and longevity of female European corn borer, Ostrinia nubilalis: Effects of multiple mating, delay in mating, and adult feeding'. Together they form a unique fingerprint.

Cite this