Stictoleptura rubra

Stictoleptura rubra, the Red-brown Longhorn Beetle, is a species of beetles belonging to the family Cerambycidae.

Stictoleptura rubra
Stictoleptura rubra, male
Stictoleptura rubra, female
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Family:
Cerambycidae
Genus:
Stictoleptura
Species:
S. rubra
Binomial name
Stictoleptura rubra
Synonyms
  • Aredolpona rubra (Linnaeus), Nakane & Ohbayashi, 1957
  • Corymbia rubra (Linnaeus) Villiers, 1974
  • Leptura belga flava Voet, 1804-6
  • Leptura dispar Preyssler, 1793
  • Leptura rubra Linnaeus, 1758
  • Leptura rubrotestacea Illiger, 1805
  • Leptura testacea Linnaeus, 1761
  • Leptura umbellatarum Laicharting, 1784[1]

Subspecies
  • Stictoleptura rubra dichroa (Blanchard, 1871)
  • Stictoleptura rubra numidica (Peyerhimoff, 1917)
  • Stictoleptura rubra rubra (Linnaeus, 1758)
  • Stictoleptura rubra succedanea (Lewis, 1873)

Description

Stictoleptura rubra can reach a length of 10–20 millimetres (0.39–0.79 in).[2] This species has an evident sexual dimorphism, with variations in color and shape. Elytrae and pronotum of the females are uniformly reddish-brown or reddish-orange, while in males head and pronotum are black. Moreover the males have brown or pale ochre elytrae and often they are smaller and narrower than the females.[3]

Biology

Life cycle of this species lasts two - three years. Adults can be encountered from May to September, but mainly in July and August). They visit flowering plants for nectar and/or pollen, while larvae develop and feed within dead wood and tree stumps of coniferous trees (Picea, Pinus, Abies, Larix).[2][4] To develop and reach maturity they need nutrients provided by fungi.[5][6] Theirs gut contains cellulase-producing yeasts[7] to enable xylophagy, or wood-digestion.

Distribution

The species is found throughout the European mainland, Russia and North Africa. It can also be found in Turkey and Great Britain.[2][8][9]

  • Mating couple
  • Female, take-off
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References
  1. "Stictoleptura rubra (Linnaeus, 1758)". Biolib.cz. Retrieved February 22, 2012.
  2. Cerambyx
  3. Nature Spot
  4. Stictoleptura rubra (Linnaeus, 1758) (Red Longhorn Beetle)
  5. Filipiak, Michał; Sobczyk, Łukasz; Weiner, January (9 April 2016). "Fungal Transformation of Tree Stumps into a Suitable Resource for Xylophagous Beetles via Changes in Elemental Ratios". Insects. 7 (2): 13. doi:10.3390/insects7020013. PMC 4931425.
  6. Filipiak, Michał; Weiner, January; Wilson, Richard A. (23 December 2014). "How to Make a Beetle Out of Wood: Multi-Elemental Stoichiometry of Wood Decay, Xylophagy and Fungivory". PLoS ONE. 9 (12): e115104. doi:10.1371/journal.pone.0115104. PMC 4275229. PMID 25536334.
  7. Grünwald, S.; M. Pilhofer; W. Höll (January 2010). "Microbial associations in gut systems of wood- and bark-inhabiting longhorned beetles Coleoptera: Cerambycidae]". Systematic and Applied Microbiology. 33 (1): 25–34. doi:10.1016/j.syapm.2009.10.002. ISSN 0723-2020. PMID 19962263.
  8. "Stictoleptura rubra (Linnaeus, 1758)". Fauna Europaea. Retrieved February 22, 2012.
  9. Vitali F.: Cerambycoidea


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