Female European corn borer (Lepidoptera: Crambidae) ovarian developmental stages: Their association with oviposition and use in a classification system

Kuang Xingquan, Dennis D. Calvin, Mary C. Knapp, F. L. Poston

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Reproductive development of female European corn borer, Ostrinia nubilalis (Hübner), was investigated and a classification system proposed. Females collected in a blacklight trap during 1982 and 1983 were dissected and their reproductive system examined. Female reproductive systems were divided into six stages based on ovum development within the ovarioles, ovum depletion, ovariole appearance, and fat body color and shape. The female reproductive systems were also staged on the basis of spermatophore appearance. The time necessary to classify a female is also reported. Based on the classification system, the relationship between female age and stage of ovarian development was quantified under three temperature regimes. Females were found to experience a 3- to 5-d preoviposition period before initiation of egg deposition under optimal temperature conditions. This delay between adult emergence and initiation of egg laying corresponded with more advanced ovarian developmental stages collected in blacklight traps and indicates that actively ovipositing females are primarily being collected in blacklight traps.

Original languageEnglish (US)
Pages (from-to)828-835
Number of pages8
JournalJournal of Economic Entomology
Volume97
Issue number3
DOIs
StatePublished - Jan 1 2004

Fingerprint

Crambidae
Ostrinia nubilalis
developmental stage
oviposition
blacklight traps
maize
Lepidoptera
developmental stages
female reproductive system
ovarioles
ova
ovarian development
spermatophores
reproductive system
fat body
egg
spermatophore
eclosion
temperature
fat

All Science Journal Classification (ASJC) codes

  • Ecology
  • Insect Science

Cite this

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Female European corn borer (Lepidoptera : Crambidae) ovarian developmental stages: Their association with oviposition and use in a classification system. / Xingquan, Kuang; Calvin, Dennis D.; Knapp, Mary C.; Poston, F. L.

In: Journal of Economic Entomology, Vol. 97, No. 3, 01.01.2004, p. 828-835.

Research output: Contribution to journalArticle

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