Santschiella

AntWiki: The Ants --- Online

A monotypic genus. Specimens of Santschiella kohli have only been collected a few times and this species is only known from workers collected as stray individuals.

At a Glance • Monotypic  

Identification

The genus is similar to Gesomyrmex: two very large eyes, widely separated antennal insertions, and scapes that pass below the eyes.  

Distribution

Distribution and Richness based on AntMaps

Species by Region

Number of species within biogeographic regions, along with the total number of species for each region.

Afrotropical Region Australasian Region Indo-Australian Region Malagasy Region Nearctic Region Neotropical Region Oriental Region Palaearctic Region
Species 1 0 0 0 0 0 0 0
Total Species 2840 1735 3042 932 835 4378 1740 2862

Biology

See Santschiella kohli for details.

Castes

Only known from the worker caste.

Morphology

Worker Morphology

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• Antennal segment count: 12 • Antennal club: gradual • Palp formula: 6,4 • Total dental count: 7-8 • Eyes: >100 ommatidia • Scrobes: absent • Pronotal Spines: absent • Mesonotal Spines: absent • Propodeal Spines: dentiform • Petiolar Spines: absent • Caste: none or weak • Sting: absent • Metaplural Gland: present • Cocoon: present

Male Morphology

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 • Caste unknown

Phylogeny

Formicinae
Myrmelachistini
Lasiini
Melophorini
Formicini
Gesomyrmecini

Gesomyrmex  (7 species, 12 fossil species)

Oecophyllini

Oecophylla  (15 species, 16 fossil species)

Plagiolepidini
Gigantiopini

Gigantiops  (1 species, 0 fossil species)

Santschiellini

Santschiella  (1 species, 0 fossil species)

Myrmoteratini

Myrmoteras  (41 species, 0 fossil species)

Camponotini

See Phylogeny of Formicinae for details.

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • SANTSCHIELLA [Formicinae: Gesomyrmecini]
    • Santschiella Forel, 1916: 434. Type-species: Santschiella kohli, by monotypy.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.

Worker. Antennes de 12 articles. Ouverture du cloaque apicale, circulaire, ciliee. Mandibules triangulaires de forme ordinaire. Epistorne triangulaire, arrondi derriere et prolonge entre les insertions des antennes. Aretes frontales presque nulles, limitees au bord interieur de l'insertion des antennes. Yeux enormes, meme plus grands que chez les Gigantiops; ils convergent d'arriere en avant ou ils se rapprochent fortement l'un de l'autre. Trois ocelles frontaux. Tete bordee en dessous, derriere, d'une arete transparente, terminee par un bord abrupt et suivie d'une dent. Thorax profondement echancre entre le mesonotum et l'epinotum. Ce dernier bossu, arme de deux epines a sa face declive. Petiole surmonte d’un noeud tres epais, qui est tronque et borde derriere. Gesier inconnu.

References

  • Bolton, B. 2003. Synopsis and Classification of Formicidae. Mem. Am. Entomol. Inst. 71: 370pp (page 109, Santschiella in Formicinae Gesomyrmecini)
  • Cantone S. 2018. Winged Ants, The queen. Dichotomous key to genera of winged female ants in the World. The Wings of Ants: morphological and systematic relationships (self-published).
  • Emery, C. 1925d. Hymenoptera. Fam. Formicidae. Subfam. Formicinae. Genera Insectorum 183: 1-302 (page 48, Santschiella in Formicinae, Santschiellini)
  • Forel, A. 1916. Fourmis du Congo et d'autres provenances récoltées par MM. Hermann Kohl, Luja, Mayné, etc. Rev. Suisse Zool. 24: 397-460 (page 434, Santschiella as genus)
  • Forel, A. 1917. Cadre synoptique actuel de la faune universelle des fourmis. Bull. Soc. Vaudoise Sci. Nat. 51: 229-253 (page 232, Santschiella in Camponotinae, Santschiellini)
  • Wheeler, W. M. 1922i. Ants of the American Museum Congo expedition. A contribution to the myrmecology of Africa. VII. Keys to the genera and subgenera of ants. Bull. Am. Mus. Nat. Hist. 45: 631-710 (page 694, 928, Santschiella in Formicinae, Santschiellini)