Dinoponera longipes

Dinoponera longipes is a queenless species of ants in the subfamily Ponerinae.

Dinoponera longipes
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Hymenoptera
Family:
Formicidae
Subfamily:
Ponerinae
Tribe:
Ponerini
Genus:
Dinoponera
Species:
D. longipes
Binomial name
Dinoponera longipes
Emery, 1901

Distribution

Dinoponera longipes have been collected in eastern Peru in the departments of Loreto, Amazonas, Huánuco, San Martín and Pasco, as well as Ecuador in the province of Pastaza. In Colombia it has been recorded near the Peruvian border in the department of Amazonas. In Brazil, Dinoponera longipes has been found in Acre, Amazonas as far east as Manaus, as well as along the Rio Madeira in Rondônia.[1]

Taxonomy

Doubt was raised by Kempf (1971) as to whether Dinoponera longipes was a valid species. Since few specimens have been collected from western Brazil a clinal variation in character form with Dinoponera gigantea or Dinoponera mutica was a possibility. Specimens from Brazil examined by Lenhart, Dash & MacKay (2013) showed no such integration. Additionally, evidence of species validity comes from the unique morphology of the male. The nearest known locality of another species is Dinoponera gigantea 550 km away at Estirón Rio Ampiacu in the Loreto Region, Perú. There is a possibility that these could be males of a yet undiscovered species. However, relatively intensive collecting of Dinoponera in the area by numerous collectors has not revealed any other form.[1]

Description

Workers of this species can easily be recognized by the golden luster of its conspicuous long, flagellate hairs especially on the frons. In addition this species has the following combination of character states: pronotal corner rounded without tooth-like process, no gular striations, a reflective, smooth and shiny integument. All specimens have a petiole which bulges on the dorso-anterior edge except for those from the Rio Madeira and Rio Negro in Brazil.[2]

Males can be distinguished from other Dinoponera by the following combination of character states: funiculus of antennae with short, thick decumbent setae; pygidial spine shorter than in Dinoponera gigantea and Dinoponera quadriceps but longer and narrower than in Dinoponera australis and Dinoponera snellingi, volsella with broad basal lobe covered in minute teeth.[3]

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References
  1. Lenhart, Dash & MacKay 2013, p. 145
  2. Lenhart, Dash & MacKay 2013, p. 143
  3. Lenhart, Dash & MacKay 2013, p. 144
  • Kempf WW (1971) A preliminary review of the ponerine ant genus Dinoponera Roger (Hymenoptera: Formicidae). Studia Entomologica 14: 369-394.
  • Lenhart, P.; Dash, S. T.; MacKay, W. P. (2013), "A revision of the giant Amazonian ants of the genus Dinoponera (Hymenoptera, Formicidae)", Journal of Hymenoptera Research, 31: 119–164, doi:10.3897/JHR.31.4335
  • This article incorporates text from a scholarly publication published under a copyright license that allows anyone to reuse, revise, remix and redistribute the materials in any form for any purpose: Lenhart, P.; Dash, S. T.; MacKay, W. P. (2013), "A revision of the giant Amazonian ants of the genus Dinoponera (Hymenoptera, Formicidae)", Journal of Hymenoptera Research, 31: 119–164, doi:10.3897/JHR.31.4335 Please check the source for the exact licensing terms.
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