Effect of the queen, brood and worker caste on haemolymph vitellogenin titre in Camponotus festinatus workers

Teresa Martinez, Diana E Wheeler

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Haemolymph concentration of vitellogenin and ovary development have been examined in Camponotus festinatus workers under inhibited (queenright) and uninhibited (queenless) conditions, in order to determine which social factors may affect worker oögenesis. While most queeright workers had very low vitellogenin titres, queenless workers maintained either in the presence or absence of pupae showed increasing vitellogenin titres. Mean vitellogenin concentration in 7-week-old queenless soldiers and 10-week-old queenless minor workers were 15-fold higher than those found in queenright workers of the same age. Larvae had an inhibitory effect on the haemolymph vitellogenin titres of workers, particularly of minor workers. Soldiers in the presence of minor workers showed significantly higher vitellogenin titres during early adult life. In spite of the accumulation of vitellogenin in the haemolymph of queenless workers, even far above the levels detected in some queens, oöcyte development did not occur in the majority of these animals.

Original languageEnglish (US)
Pages (from-to)347-352
Number of pages6
JournalJournal of Insect Physiology
Volume37
Issue number5
DOIs
StatePublished - 1991

Fingerprint

Vitellogenins
Camponotus
Hemolymph
vitellogenin
Social Class
hemolymph
Military Personnel
Pupa
Larva
pupae
Ovary
larvae

Keywords

  • ants
  • Camponotus
  • caste
  • Hymenoptera
  • oögenesis
  • reproduction
  • vitellogenin titre

ASJC Scopus subject areas

  • Insect Science
  • Physiology

Cite this

Effect of the queen, brood and worker caste on haemolymph vitellogenin titre in Camponotus festinatus workers. / Martinez, Teresa; Wheeler, Diana E.

In: Journal of Insect Physiology, Vol. 37, No. 5, 1991, p. 347-352.

Research output: Contribution to journalArticle

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