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An unusual worker morph of Myrmica rugulosa Nyl. (Hymenoptera: Formicidae)

Author(s): Wojciech CZECHOWSKI | Alexander RADCHENKO | Piotr ŚLIPIŃSKI

Journal: North-Western Journal of Zoology
ISSN 1584-9074

Volume: 4;
Issue: 1;
Start page: 42;
Date: 2008;
Original page

Keywords: Ants | Myrmica rugulosa | morphology | teratology | mutation

A morphologically highly atypical worker found in the nest of Myrmica rugulosa Nyl. in the Gorce Mountains (southern Poland) is described. The finding is discussed in the context of so far known manifestations of teratological mutability in ants. This unique specimen, noticeably bigger than its normal nestmates, was characterised by a lack of the propodeal spines and a reduced number (from 11 to 8) of funicular segments. The spurs on the middle and hind tibiae were reduced and not pectinate. At the same time, the main specific diagnostic features of M. rugulosa (sculpture, proportions) were well retained.
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