Rhagium mordax

Last updated

Rhagium mordax
Rhagium mordax Geer, 1775 (3431254773).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Infraorder: Cucujiformia
Family: Cerambycidae
Genus: Rhagium
Species:
R. mordax
Binomial name
Rhagium mordax
(DeGeer, 1775)
Synonyms
  • Cerambyx mordax(DeGeer) Gmelin, 1790
  • Leptura mordaxDeGeer, 1775
  • Rhagium linneiLaicharting, 1784
  • Rhagium vulgareSamouelle, 1819

Rhagium mordax, the black-spotted longhorn beetle, [1] is a species of long-horned beetle. [2] This beetle is found throughout Europe and to Kazakhstan and Russia. [2] Larvae develop in silver fir, hazel, European weeping birch, European beech, and the European chestnut. [2] Ischnoceros rusticus is an ichneumonid parasitoid wasp that feds on Rhagium mordax larvae. [2]

Contents

Description

Rhagium mordax grows from 13 to 26 millimetres (0.51 to 1.02 in) long. [3] [4] : 97  In colour, they are mixed ochre and black, with one black splotch on each elytron accompanied by two pale lines on either side. [5] The beetles' bodies are covered with small yellow hairs, [6] although one distinguishing feature of the species is two bald spots on its elytra. [7]

Rhagium mordax has a long, narrow head with a distinct neck. The insect's face bears a suture and the temples are elongate with some stiff hairs. The antennae are relatively short and the first segment is wider at its tip and longer. [8]

Taxonomy

Rhagium mordax was first named Leptura mordax by Charles De Geer in 1775. [9]

Subtaxa

There are five formally described varieties: [2]

References

  1. ↑ "Longhorn Beetles | Great Fen". www.greatfen.org.uk. Retrieved 2018-07-21.
  2. 1 2 3 4 5 BioLib Taxon profile — species Rhagium mordax (DeGeer, 1775)
  3. ↑ "Rhagium mordax". www.cerambyx.uochb.cz. Retrieved 2025-01-28.
  4. ↑ Cherepanov, A. I.; Cherepanov, A. I.; SSSR), Biologicheskiĭ institut (Akademii︠a︡ nauk; States, United; States, United (1988). Cerambycidae of Northern Asia. Vol. v.1 (1988). New Delhi: Translated and published under an agreement for the U.S. Dept. of Agriculture, Washington, D.C., by Amerind Pub. Co.
  5. ↑ "Black-spotted longhorn beetle | Surrey Wildlife Trust". www.wildlifetrusts.org. Retrieved 2025-01-28.
  6. ↑ Hofmann, Ernst (1908). The young beetle-collector's handbook. London: S. Sonnenschein & Co., lim. p. 150.
  7. ↑ Riggall, E.C. (1951). Baker, F.T.; Roebuck, A. (eds.). "Coleoptera". Transactions / Lincolnshire Naturalists' Union. 12 (4). Lincolnshire Naturalists' Union: 206.{{cite journal}}: CS1 maint: date and year (link)
  8. ↑ Cherepanov, A. I.; Cherepanov, A. I.; SSSR), Biologicheskiĭ institut (Akademii︠a︡ nauk; States, United; States, United (1988). Cerambycidae of Northern Asia. Vol. v.1 (1988). New Delhi: Translated and published under an agreement for the U.S. Dept. of Agriculture, Washington, D.C., by Amerind Pub. Co.
  9. ↑ "Leptura mordax Degeer, 1775". www.gbif.org. Retrieved 2025-01-28.


This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.