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]
| Black-spotted longhorn beetle | |
|---|---|
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Infraorder: | Cucujiformia |
| Family: | Cerambycidae |
| Genus: | Rhagium |
| Species: | R. mordax
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| Binomial name | |
| Rhagium mordax (DeGeer, 1775)
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| Synonyms | |
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Subtaxa edit
There are five formally described varieties:[2]
- Rhagium mordax var. altajense Plavilstshikov, 1915
- Rhagium mordax var. klenkai Heyrovský, 1914
- Rhagium mordax var. mediofasciatum Plavilstshikov, 1936
- Rhagium mordax var. morvandicum Pic, 1927
- Rhagium mordax var. subdilatatum Pic, 1917