Neither Worker, Nor Queen: An Ant Caste Specialized in the Production of Unfertilized Eggs

J. Heinze, S. P. Cover, B. Holldobler

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

In addition to a queen and workers, colonies of the ant Cremato- gaster smithi Creighton from Chiricahua Mountains, Arizona, may contain one or several conspicuous “large workers,” whose size, external morphology, and number of ovarioles are intermediate between that of queens on one side and that of workers on the other. According to laboratory observations, “large workers” are specialized for the production of unfertilized eggs, which are mainly eaten by the larvae and the queen but may develop into males in queenless colonies. We describe the morphology and the behavior of “large workers” and discuss their evolutionary significance.

Original languageEnglish (US)
Pages (from-to)173-185
Number of pages13
JournalPsyche (New York)
Volume102
Issue number3-4
DOIs
StatePublished - Jan 1 1995
Externally publishedYes

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Insect Science

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