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The Ants of
Africa SUBFAMILY MYRMICINAE - Genus Decamorium |
Contents - Myrmicinae - MYRMICINAE Introduction |
In Tribe TETRAMORIINI.
Diagnostic Features - The key feature is the 10-segmented antenna, with a 3-segmented club.
Forel's (1913a) genus description is at Bolton (1976, 1995) listed only two species. Note: Hita Garcia & Fisher (2014) (see http://zookeys.pensoft.net/articles.php?id=3817) opine that Decamorium should be subsumed under Tetramorium, with Decamorium being a "species-group" |
Key following Hita Garcia
& Fisher (2014) |
1 |
Dorsum of promesonotum with
conspicuous longitudinally rugose/rugulose sculpture |
2 |
-- |
Dorsum of promesonotum
unsculptured, smooth, and usually very shiny |
3 |
2 |
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Cameroun,
Nigeria - raptor |
-- |
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West
Africa & Congo Basin - uelense |
3 |
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Kenya,
Tanzania, Zimbabwe - decem |
-- |
Generally smaller species (WL
0.85–0.98); propodeal teeth relatively shorter (PSLI 9–13); petiolar node relatively lower, in profile around 1.0 to
1.2 times higher than long (LPeI 86–100); usually of uniform brown colour, if
bicoloured, then only slightly so and never as well developed as above |
4 |
4 |
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Cameroun & East
Africa - ultor |
-- |
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Liberia
east to Uganda - venator |
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MYRMICINAE Introduction |
© 2007, 2011, 2012, 2015 - Brian Taylor CBiol FSB FRES 11, Grazingfield, Wilford, Nottingham, NG11 7FN, U.K. |
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