Cephalotes goniodontus
Cephalotes goniodontus | |
---|---|
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Hymenoptera |
Family: | Formicidae |
Subfamily: | Myrmicinae |
Tribe: | Attini |
Genus: | Cephalotes |
Species: | C. goniodontus |
Binomial name | |
Cephalotes goniodontus De Andrade, 1999 |
Nothing is known about the biology of Cephalotes goniodontus.
Identification
A member of the multispinosus clade characterised, in the worker, by the sides of the propodeum armed with a broad, triangular tooth. Easily distinguishable from Cephalotes multispinosus by its sculpturation and by the absence of lamellae behind the propodeal teeth. (de Andrade and Baroni Urbani 1999)
Keys including this Species
Distribution
Latitudinal Distribution Pattern
Latitudinal Range: 21.233° to 19.11638889°.
North Temperate |
North Subtropical |
Tropical | South Subtropical |
South Temperate |
- Source: AntMaps
Distribution based on Regional Taxon Lists
Neotropical Region: Mexico (type locality).
Distribution based on AntMaps
Distribution based on AntWeb specimens
Check data from AntWeb
Countries Occupied
Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species. |
Estimated Abundance
Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species. |
Biology
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Castes
Nomenclature
The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.
- goniodontus. Cephalotes goniodontus De Andrade, in De Andrade & Baroni Urbani, 1999: 307, figs. 132, 133 (s.w.) MEXICO (Nayarit).
- Type-material: holotype worker, 2 paratype soldiers, 2 paratype workers.
- Type-locality: holotype Mexico: Compostela, 22.iv.1933 (W.M. Wheeler); paratypes: 1 worker with same data, 2 soldiers, 1 worker Mexico: vic. Compostela, 28.v.1933 (W.M. Wheeler).
- Type-depository: MCZC.
- [Cephalotes goniodontus Baroni Urbani, 1998: 326. Nomen nudum.]
- Distribution: Mexico.
Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.
Description
Worker
Kempf (1951), of the synonymized multispinosus - Length 6 mm. Median head length 1.41 mm; Weber's length of thorax 1.63. Black; the following ferruginous: Frontal carinae, tip of last funicular segment, tips of femora and tibiae. Pale yellowish: crests of thorax and peduncular spine. Yellow: a single spot on each anterior corner of the gaster.
Head subquadrate, subopaque. The anterior corners greatly rounded, the posterior corners subangulate, the sides parallel. Occipital border shallowly emarginate mesad, almost straight, with a very narrow light crest on each side. Frontal carinae not crenulate, without projecting setae from the border. Eyes very small, the maximum diameter less than 1/4 of the median head length. Vertex with a pair of small denticules. Upper surface of head densely foveolate, each foveola containing a short, broad, appressed, silvery, flat hair.
Thorax subopaque. Anterior border rounded, shoulders not separate from the lateral projections of pronotum. Sides of pronotum crested; the anterior half of the crest greatly projecting and bidenticulate, the posterior half constricted and narrow. Promesonotal suture vestigial. Mesonotum with a small lateral denticule. Mesoepinotal suture more or less distinct. Epinotum not differentiated into distinct basal and declivous faces, with a broad, large, flattened triangular tooth projecting from the anterior half of the lateral border, the posterior half carinate. Upper surface of thorax, except a small area mesially in front of the petiolar insertion, very finely shagreened, densely and coarsely foveolate, as the upper surface of head. Laterotergite of pronotum and sides of thorax finely reticulate-punctate, the laterotergite longitudinally striated, the remaining parts rugulose. Outer face of fore coxae finely longitudinally striated. Hind femora sharply angulate and denticulate above the half.
Petiole and postpetiole flattened above, the sides with a distinctly set off spine, the petiolar spine recurved, the postpetiolar spine pointing forward at base, recurved backward at apex.
Gaster subopaque, emarginate in front mesally, narrowly crested antero-laterad. All scales golden.
de Andrade and Baroni Urbani (1999) - Measurements (in mm) and indices: TL 5.40-5.92; HL 1.24-1.36; HW 1.64-1.70; EL 0.32-0.33; PW 1.42-1.52; PeW 0.69-0.76; PpW 0.77-0.82; HBaL 0.61-0.62; HBaW 0.15-0.16; CI 125.0-132.2; PI 111.8-115.5; PPeI 205.8-211.1; PPpI 184.4-185.4; HBaI 24.6-25.8.
Soldier
Kempf (1951), of the synonymized multispinosus - Length 7.7 mm. Median head length 1.78 mm. Weber's length of thorax 2.07 mm. Color as in worker. Quite similar to the worker, with the following differences: Upper surface of head subfulgid, not as shiny as in the race biguttatus, rather coarsely and densely foveolate. Each of the teeth on vertex sends out an oblique carina towards the sides, fading out shortly before reaching the lateral border of the head. Occipital angle rounded and crested. Pronotum with a bidenticulate lateral expansion, the sides converging obliquely towards the mesonotum behind the second denticule. Mesonotum with a blunt lateral lobe. Sculpture of thorax as coarse as on upper surface of head. Epinotum with a flat, triangular, large tooth, without a transparent crest behind. The basal and declivous faces slightly differentiated. Declivous face not excavated below. Spines of the peduncular segments shorter, less acute than in worker.
de Andrade and Baroni Urbani (1999) - Measurements (in mm) and indices: TL (approximate from two different specimens, one without gaster and one without head) 7.10-7.28; HL 1.60; HW 2.12; EL 0.40; PW 1.88-1.96; PeW 0.85-0.89; PpW 0.90-0.98; HBaL 0.70-0.72; HBaW 0.18; CI 132.5; PI 112.8; PPeI 220.2-221.2; PPpI 200.0-208.9; HBaI 25.0-25.7.
Type Material
Holotype worker from Compostela (Mexico), 22.IV.1933, W. M. Wheeler (Museum of Comparative Zoology); paratypes: 1 worker (same data as the holotype), 1 worker and 2 soldiers from vic. Compostela (Mexico), 28,V, 1 933, W. M. Wheeler, in MCZ.
Etymology
From the Greek term for angle and tooth, referred to the shape of the propodeal angles.
References
- de Andrade, M. L.; Baroni Urbani, C. 1999. Diversity and adaptation in the ant genus Cephalotes, past and present. Stuttgarter Beitrage zur Naturkunde Series B (Geolgie and Palaontologie). 271:1-889. (page 307, figs. 132, 133 soldier, worker described)
- Kempf, W. W. 1951. A taxonomic study on the ant tribe Cephalotini (Hymenoptera: Formicidae). Rev. Entomol. (Rio J.) 22: 1-244.
References based on Global Ant Biodiversity Informatics
- Dattilo W. et al. 2019. MEXICO ANTS: incidence and abundance along the Nearctic-Neotropical interface. Ecology https://doi.org/10.1002/ecy.2944
- Gordon, D. M. 2012. The dynamics of foraging trails in the tropical arboreal ant Cephalotes goniodontus. PLoS One 7: e50472.
- Vásquez-Bolaños M. 2011. Lista de especies de hormigas (Hymenoptera: Formicidae) para México. Dugesiana 18: 95-133
- de Andrade, M.L. & C. Baroni Urbani. 1999. Diversity and Adaptation in the ant genus Cephalotes, past and present. Stuttgarter Beitrage zur Naturkunde Serie B 271. 893 pages, Stuttgart