''Scolytus schevyrewi'', the banded elm bark beetle, is a 3–4 mm long elm bark beetle species in the genus ''

Scolytus ''Scolytus'' is a genus of bark beetles (subfamily Scolytinae). It includes several species notorious for destroying trees in the forests. The Dutch elm disease is spread in North America by two species : the native elm bark beetle, ''Hylurgopin ...

'' native from Asia and accidentally introduced to North America. It is a

vector Vector most often refers to: * Euclidean vector, a quantity with a magnitude and a direction * Disease vector, an agent that carries and transmits an infectious pathogen into another living organism Vector may also refer to: Mathematics a ...

of the Dutch elm disease, caused by the

Ascomycota Ascomycota is a phylum of the kingdom Fungi that, together with the Basidiomycota, forms the subkingdom Dikarya. Its members are commonly known as the sac fungi or ascomycetes. It is the largest phylum of Fungi, with over 64,000 species. The def ...

'' Ophiostoma ulmi'' and '' Ophiostoma novo-ulmi''. In North America, it is displacing both the native elm bark beetle and the previously introduced smaller European elm bark beetle, which are becoming less common in their range with the expansion of ''S. schevyrewi''.

References

Scolytinae Insect pests of temperate forests Beetles described in 1802 Taxa named by Andrey Semyonov-Tyan-Shansky {{Scolytinae-stub