Afrotropical Tetramorium species groups

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NOTE: this page is benefiting from the invaluable comments of Paco Hita-Garcia, and reflect some unpublished points of view about the genus structure.

The following species groups are defined according to Bolton (1980)[1] with the following modifications:

  • A new globulinode group is created with the former Rhoptromyrmex species
  • A new decem group is defined following Hita-Garcia & Fischer (2014)[4]
  • weitzeckeri group structure follows Hita-Garcia et al (2010)[5]

Although Bolton (1980) consistently defined the species groups, some species belong to a species group but are best identified in another. The full list for these species is:

Species Belongs to group Keyed in Reason
Tetramorium flabellum flabellum ericae, osiris, inezulae, gabonensis Branched pilosity
Tetramorium plumosum grassii ericae, osiris, inezulae, gabonensis Branched pilosity
Tetramorium rothschildi solidum ericae, osiris, inezulae, gabonensis Branched pilosity
Tetramorium pauper simillimum shiloense Small eyes

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Key to Afrotropical species groups

aculeatum group (former Macromischoides genus)

Key to species

angulinode group

Diagnosis, Key to species

bicarinatum group

Key to species

bicarinatum species complex

cristatum species complex

emeryi species complex

caespitum group

Diagnosis

This group is divided into a number of species complexes (follow the diagnosis section above for more details).

camerunenese group

Diagnosis, Key to species

camerunense species complex

capense group

Key to species

convexum group

Key to species

decem group

Diagnosis, Key to species

dumezi group

Diagnosis, Key to species

dumezi species complex

jauresi species complex

meressei complex

ericae group

Key to species

flabellum group

Key to species

coloreum species complex

flabellum species complex

granulatum species complex

pylacum species complex

gabonense group

Key to species

globulinode group

Key to species

grassii group

Key to species

inezulae group

Key to species

osiris group

Key to species

quadridentatum group

Diagnosis, Key to species

sericeiventre group

Diagnosis, Key to species

bequaerti species complex

sericeiventre species complex

setigerum group

Diagnosis, Key to species

perlongum species complex

youngi species complex

doriae species complex

setigerum species complex

shiloense group

Key to species

somniculosum species group

shilohense species complex

dysderke species group

subcoecum species group

simillinum goup

Diagnosis, Key to species

oculatum species complex

simillimum species complex

solidum group

Diagnosis, Key to species

squaminode group

Diagnosis, Key to species

repentinumspecies complex

squaminode species complex

tortuosum group

Diagnosis and world species complexes

This is a large group overall but it is not diverse in the Afrotropical region. The three species from this group in this region are grouped together in the:

capillosum species complex

Key to species

weitzeckeri group

Diagnosis and key to species complexes, Key to species

T. edouardi species complex

T. muralti species complex

T. weitzeckeri species group

incertae sedis

Doubtful ID. Indian species cited from Nigeria, needs review

References

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