Acromyrmex insinuator new species: an incipient social parasite of fungus-growing ants

T.R. Schultz, D. Bekkevold, Jacobus Jan Boomsma

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The two known social parasites of fungus-growing ants (tribe Attini) occupy an advanced grade of social parasitism characterized by absence of a worker caste and highly derived morphology and behavior. In contrast, the Panamanian Acromyrmex insinuator new species, described here, appears to occupy an early grade of social parasitism in which males, females, and minor workers are nearly indistinguishable from those of the host species. Based on allozyme and morphological evidence, the host, A. octospinosus ssp. echinatior, is clearly different and reproductively isolated from the sympatric A. octospinosus ssp. octospinosus, and is therefore elevated to species status.
Original languageEnglish
JournalInsectes Sociaux
Volume45
Issue number4
Pages (from-to)457-471
ISSN0020-1812
DOIs
Publication statusPublished - 1998
Externally publishedYes

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