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NOTE: this page is benefiting from the invaluable comments of Paco Hita-Garcia, and reflect some unpublished points of view about the genus structure.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, additional research shows that some species assigned to a species group show stronger affinities for a different species group. 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


To determine the group affinity of a specimen, use the Key to Afrotropical species groups.


aculeatum group (former Macromischoides genus)

Diagnosis, Key to species

angulinode group

Diagnosis, Key to species

bicarinatum group

Diagnosis, Key to species

bicarinatum species complex

cristatum species complex

emeryi species complex

caespitum group

Diagnosis

camerunenese group

Diagnosis, Key to species

camerunense species complex

capense group

Diagnosis, 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

Diagnosis, 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

Diagnosis, 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

Diagnosis, Key to species

somniculosum species group

shilohense species complex

dysderke species group

subcoecum species group

simillinum group

Diagnosis, Key to species

oculatum species complex

poweri 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, Key to species

There are three species present. These species form a discrete species complex. Additional complexes in the tortuosum species group occur in other regions.

capillosum species complex

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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