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Probolomyrmex newguinensis
| Probolomyrmex newguinensis | |
|---|---|
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Family: | Formicidae |
| Subfamily: | Proceratiinae |
| Tribe: | Probolomyrmecini |
| Genus: | Probolomyrmex |
| Species: | P. newguinensis |
| Binomial name | |
| Probolomyrmex newguinensis Shattuck, Gunawardene & Heterick, 2012
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Probolomyrmex newguinensis has been collected only once from a nest under a rock in a regenerated rainforest in Papua New Guinea.
Identification
Petiolar node relatively long and narrow (best viewed dorsally), the dorsal face (in side view) moderately convex anteriorly and weakly convex posteriorly; posterodorsal margin of petiole in dorsal view produced medially into a rearward directed rounded projection; subpetiolar process reduced to a shallow convexity.
Probolomyrmex newguinensis is morphologically similar to Probolomyrmex watanabei from Malaysia, particularly in the shape of the petiole. It differs from that species in having the petiole more barrel-shaped in dorsal view rather than trapezoidal, and in having the anterior face of the node (in side view) more strongly convex, giving the petiole a higher appearance. Additionally, the head is more elongate (CI < 61 vs. > 62) and the scape is shorter (SI < 114 vs. > 124).
Keys including this Species
Distribution
Distribution based on Regional Taxon Lists
Indo-Australian Region: New Guinea.
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. |
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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. |
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Biology
Castes
Nomenclature
The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.
- newguinensis. Probolomyrmex newguinensis Shattuck, Gunawardene & Heterick, 2012: 45, fig. 4 (w.m.) NEW GUINEA (Papua New Guinea).
- Type-material: holotype worker, 8 paratype workers, 1 paratype male (head missing).
- Type-locality: Papua New Guinea: Morobe Dist., Bulolo, 31.xii.1970 (B.B. Lowery); paratypes with same data.
- Type-depository: ANIC.
- Distribution: Papua New Guinea.
Type Material
- Holotype, worker, Bulolo, Morobe District, Papua New Guinea, 7°12′0″S 146°39′0″E / 7.2°S 146.65°E, 31 Dec. 1970, B.B. Lowery, ANIC32-066450, Australian National Insect Collection; regenerated rainforest and bamboo, under small mossy rock in jet black soil.
- Paratype, 8 workers, 1 male (missing head), Bulolo, Morobe District, Papua New Guinea, 7°12′0″S 146°39′0″E / 7.2°S 146.65°E, 31 Dec. 1970, B.B. Lowery, ANIC32-066468, Australian National Insect Collection; regenerated rainforest and bamboo, under small mossy rock in jet black soil.
Description
Worker description. Body dark ferruginous brown. Head in full-face view with weakly convex sides and weakly and broadly concave posterior margin. Eyes absent. Antennae moderately long. Dorsal outline of mesosoma very weakly convex with a slight concavity at the metanotal groove; posterior margin of propodeal dorsum in dorsal view drawn posteriorly into a broad, rounded projection; posterior face of propodeum angled laterally and lacking a well-developed lamella. Petiole including subpetiolar process longer than high, its dorsal surface in profile relatively strongly convex anteriorly and rounding into a weakly convex to nearly flat surface posteriorly; subpetiolar process reduced to a weak convexity. Abdominal segment III (gastral segment I) in profile narrowed anteriorly, the ventral surface concave anteriorly and convex posteriorly.
Measurements. Worker (n=6)—CI 59–61; DPetW 0.21–0.24; HL 0.71–0.75; HTL 0.50–0.55; HW 0.43–0.46; LPetI 118–123; ML 0.97–1.03; PetH 0.30–0.31; PetNL 0.35–0.37; PronW 0.36–0.37; SI 110–114; SL 0.48–0.51
References
- Shattuck, S.O., Gunawardene, N.G. & Heterick, B. 2012. A revision of the ant genus Probolomyrmex (Hymenoptera: Formicidae: Proceratiinae) in Australia and Melanesia. Zootaxa 3444: 40–50.
References based on Global Ant Biodiversity Informatics
- Shattuck S. O., N. R. Gunawardene, and B. Heterick. 2012. A revision of the ant genus Probolomyrmex (Hymenoptera: Formicidae: Proceratiinae) in Australia and Melanesia. Zootaxa 3444: 40-50.