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]
^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.
^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)
^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.
.jpg)
_(4606504959)_(2).jpg){kind=small}
