Moulting hormone level during the last instar of Galleria mellonella larva

Péter Maróy, Krisztina Tarnóy

Research output: Contribution to journalArticle

31 Citations (Scopus)


Using radioimmunoassay the moulting hormone titres of the greater wax moth were determined during the last larval instar. Two peaks were observed, one when the larvae start to spin and another just before the pupation. The second peak exhibits the higher MH level, equivalent to 3600 ng/g ecdysterone. By TLC-RIA analysis three compounds were detected: ecdysone, ecdysterone and a very polar metabolite (VPM). The pattern of MHs during the last larval instar is described and the possible changes in the activity of enzymes of MH metabolism and ecdysone-ecdysterone conversion is discussed.

Original languageEnglish
Pages (from-to)325-327
Number of pages3
JournalJournal of Insect Physiology
Issue number4
Publication statusPublished - 1978

ASJC Scopus subject areas

  • Physiology
  • Insect Science

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