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

Jürgen Heınze | Zendy; S. P. Cover | Zendy; B. Hölldobler | Zendy

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

Author(s) -

Jürgen Heınze,

S. P. Cover,

B. Hölldobler

Publication year - 1995

Publication title -

psyche a journal of entomology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.168

H-Index - 22

eISSN - 1687-7438

pISSN - 0033-2615

DOI - 10.1155/1995/65249

Subject(s) - queen (butterfly) , caste , ant , biology , larva , zoology , ecology , hymenoptera , philosophy , linguistics

In addition to a queen and workers, colonies of the ant Crematogaster 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

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