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Species: Tetramorium pusillum   Emery, 1895 


Classification:
Download Data

Taxonomic History (provided by Barry Bolton, 2017)

Tetramorium pusillum Emery, 1895i PDF: 38 (w.q.) SOUTH AFRICA. Afrotropic. AntCat AntWiki HOL

Taxonomic history

Senior synonym of Tetramorium ladismithensis, Tetramorium tablensis: Bolton, 1980 PDF: 318.

Taxon Page Images:

Tetramorium pusillum. Intaka Island, Cape Town, South Africa; 6 January 2017. Photo and collection by Philip Herbst.

Distribution:

(based on species list records)
Afrotropical Region: Africa, South Africa, Southern Africa, Western Cape
Palearctic Region: Northern Africa, Tunisia

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Emery, C., 1895, Voyage de M. E. Simon dans l'Afrique australe (janvier-avril 1893). 3 e mémoire. Formicides., Annales de la Société Entomologique de France 64, pp. 15-56

T. pusillumHNS, n. sp.

- Ferrugineo-testacea, capite obscuro, abdomine piceo, puis subclavatis parce conspersa, pedibus breviter pubescentibus, capite subrectangulari, laminis frontalibus subrectis, fere usque ad marginem posticum productis, confertim punctato, genis antice et fronte subtiliter longitrorsum costulatis, mandibulis nitidis, punctatis, Ihorace hand marginato, dorso continuo, longitrorsum rugoso-punctulato, metanoto utrinque obtuse bidentata, pedunculi punctati segmento 1 ° cum nodo superne angulato, parum longiore quam crassiore, 2 ° subgloboso, reliquo abdomine nitido. - Long. 1 3 / 4 mill.

[[ queen ]]. Picea, mandibulis, antennis, pedibus anoque testaceis, capite pedunculoque ut in [[ worker ]] sculptis, mesonoto et scutello longitrorsum striatis, metanolo acute bidentato, petiolo magis robusto, segmento 2 ° transversim ovato. - Long. 2 1 / 2 mill. - Cape Town.

On dirait a premiere vue un tout petit T. caespitumHNS, mais les aretes frontales prolongees jusqu'a, petite distance du bord posterieur de la tete et limitant un long sillon antennaire finement pointille constituent une difference importante. La femelle est bien plus petite que celle des plus petites varietes de T. caespitumHNS. La forme du pedicule est assez exactement la meme que chez T. caespitumHNS, mais, chez l'ouvriere, il est plus etroit et le 1 er n oe ud plus eleve et plus nettement anguleux sur le profil.

Specimen Habitat Summary

Found most commonly in these habitats: 1 times found in sand, garden.

Found most commonly in these microhabitats: 1 times ground, partly under rock, partly underground, mites, in garden in leaf litter below shrubs.

Collected most commonly using these methods: 1 times turning over rocks.

Type specimens: syntype: casent0280862; syntype of Tetramorium caespitum ladismithensis: casent0901222; syntype of Tetramorium pusillum: casent0904833; syntype of Tetramorium pusillum tablensis: casent0901223; syntype of Tetramorium caespitum ladismithensis: casent0909148; syntype of Tetramorium pusillum tablensis: casent0909145



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