Sulcophanaeus imperator

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Sulcophanaeus imperator
Sulcophanaeus imperator imperator (Chevrolat, 1844) male (3274236157).jpg
Male Sulcophanaeus i. imperator
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Family:
Scarabaeidae
Genus:
Sulcophanaeus
Species:
S. imperator
Binomial name
Sulcophanaeus imperator
(Chevrolat, 1844)
Synonyms
  • Phanaeus dimidiatus Solier, 1851
  • Phanaeus imperator Chevrolat, 1844

Sulcophanaeus imperator is a brightly colored species of dung beetle belonging to the family Scarabaeidae. This diurnal, coprophagous beetle is native to south-central South America and generally common. [1] It is paracoprid, meaning that adults dig tunnels into the soil under the food source and move parts of the food source to a nest chamber where the eggs are laid. [2]

Contents

Distribution and habitat

This species can be found in central to northwestern Argentina, central and southern Bolivia and western Paraguay in dry and thorny forests, pastures and scrublands at an elevation of 320–3,000 m (1,050–9,850 ft) above sea level. [1] [3] [4] [5]

Subspecies

There are three subspecies, [6] [7] which alternatively have been considered as color phases. [3]

Description

Adults of Sulcophanaeus imperator are 18–28 mm (0.7–1.1 in) long. [3] [4] Males have a dark, long and curved horn on the forehead, whereas females at most have a small indication of a horn. [3]

There are three distinct subspecies (or color phases) that are similar, except for their color. All three have a black center of the head and a large black spot on the central pronotum, while the central and frontal parts of the elytra are shiny blue, shiny green or black. In S. i. imperator ("golden phase") the outer parts of the head and outer and rear parts of the pronotum are gold to coppery, often with some shiny green, and the rear part and outer edges of the elytra are gold, coppery or shiny green. In S. i. alticollis ("red phase") the outer parts of the head, outer and rear parts of the pronotum, and the rear part and outer edges of the elytra are shiny coppery red to brick red. In S. i. obscurus ("green phase") the outer parts of the head, outer and rear parts of the pronotum, and rear part and outer edges the elytra are shiny green. [3] [4]

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References

  1. 1 2 IUCN
  2. ↑ Sánchez, M.V.; L. Sarzetti; P.A. Dinghi; and J.F. Genise (2012): Nests and Brood Balls of Two South American Species of Sulcophanaeus Olsoufieff, 1924 (Coleoptera: Scarabaeidae: Scarabaeinae: Phanaeini). The Coleopterists Bulletin 66(1): 55-62.
  3. 1 2 3 4 5 Edmonds, W.D. (2000): Revision of Neotropical Dung Deetle Genus Sulcophanaeus. Folia Heyrovskyana, supplementum 6: 1-60.
  4. 1 2 3 Hamel-Leigue, A.H., et al. (2009): Distribución e historia natural de escarabajos coprófagos de la tribu Phanaeini (Coleoptera: Scarabaeidae: Scrarabaeinae) en Bolivia. Kempffiana 5(2): 43-95.
  5. ↑ Encyclopedia of life
  6. ↑ GBIF
  7. ↑ Arnaud, P. (2002): Descriptions d’espèces nouvelles dans les genres Coprophanaeus et Sulcophanaeus. Désignation de Lectotypes et Néotypes. Besoiro 7: 2-9.


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