Anastrangalia sanguinolenta is a species of flower longhorn beetles belonging to the family Cerambycidae, subfamily Lepturinae. This beetle is a common species present in most of Europe and in the Near Eastern countries such as Caucasus, Transcaucasia, and Turkey, where they mainly inhabit mountainous coniferous forests. Head, antennae and pronotum are black in both sexes, while elytra are reddish-brown in the female and yellowish-brown in the male. The adults grow up to 8–13 millimetres (0.31–0.51 in) and can be encountered from May through August, completing their life cycle in 2–3 years.