Juvenile hormone esterases of Lepidoptera - I. Activity in the hemolymph during the last larval instar of 11 species

Davy Jones, Grace Jones, Keith D. Wing, Maria Rudnicka, Bruce D. Hammock

Research output: Contribution to journalArticle

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Abstract

The juvenile hormone esterase (JHE) titer was measured during the last larval instar of 11 species of Lepidoptera (Pieris rapae, Junonia coenia, Danaus plexippus, Hemileuca nevadensis, Pectinophora gossypiella, Spodoptera exigua, Orgyia vetusta, Ephestia elutella, Galleria mellonella, Manduca sexta and Estigmene acrea). All species had a peak of JHE at or near the time of wandering. The peak activity at this time ranged from 0.8 to 388 nmoles JH III cleaved/min·ml. All species except J. coenia had a second peak of JHE during the late prepupal stage. The height of the second peak ranged from 0.4 to 98.4 nmoles/min·ml. However, there was no apparent correlation between size of the first and second JHE activity peaks for the lepidopteran species examined. There was an apparent relationship between the height of the first and second JHE peaks and reports on titer of JH just prior to these peaks. These data support, with some qualifications, the extension of developmental information obtained on several well studied species to a variety of Lepidoptera.

Original languageEnglish (US)
Pages (from-to)1-10
Number of pages10
JournalJournal of Comparative Physiology ■ B
Volume148
Issue number1
DOIs
StatePublished - Mar 1982

Fingerprint

juvenile hormone esterase
Lepidoptera
Hemolymph
hemolymph
hormone
instars
Junonia coenia
Orgyia vetusta
Hemileuca
Estigmene acrea
Ephestia elutella
Danaus plexippus
Pectinophora gossypiella
Manduca
Pieris rapae
Spodoptera
Spodoptera exigua
Galleria mellonella
Manduca sexta

ASJC Scopus subject areas

  • Physiology (medical)
  • Environmental Science(all)
  • Physiology
  • Animal Science and Zoology

Cite this

Juvenile hormone esterases of Lepidoptera - I. Activity in the hemolymph during the last larval instar of 11 species. / Jones, Davy; Jones, Grace; Wing, Keith D.; Rudnicka, Maria; Hammock, Bruce D.

In: Journal of Comparative Physiology ■ B, Vol. 148, No. 1, 03.1982, p. 1-10.

Research output: Contribution to journalArticle

Jones, Davy ; Jones, Grace ; Wing, Keith D. ; Rudnicka, Maria ; Hammock, Bruce D. / Juvenile hormone esterases of Lepidoptera - I. Activity in the hemolymph during the last larval instar of 11 species. In: Journal of Comparative Physiology ■ B. 1982 ; Vol. 148, No. 1. pp. 1-10.
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