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Scolytus schevyrewi, the banded elm bark beetle, is a 3–4 mm long elm bark beetle species in the genus Scolytus native from Asia and accidentally introduced to North America. [2] It is a vector of the Dutch elm disease, caused by the Ascomycota Ophiostoma ulmi and Ophiostoma novo-ulmi. In North America, it is displacing both the native elm ...
Dutch elm disease. Dutch elm disease (DED) is caused by a member of the sac fungi (Ascomycota) affecting elm trees, and is spread by elm bark beetles. Believed to be originally native to Asia, the disease was accidentally introduced into America, Europe, and New Zealand. In these regions it has devastated native populations of elms that did not ...
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, Hylurgopinus rufipes, and the European elm bark beetle, Scolytus multistriatus. In Europe, while the aforementioned ...
Scolytus punctatus Müller, 1776. Scolytus scolytus var. variabilis Sokanovsky, 1958. Scolytus triarmatus Eggers, 1912. Scolytus scolytus, the larger European elm bark beetle or large elm bark beetle, is a 3.5–6 mm long bark beetle species. [4][5] It is of significant importance in Eurasia as a vector of Dutch elm disease.
Description. Elm leaf beetle, side view. The imago (adult beetle) is 6–8 mm in length, and ranges from yellow to green in colour, with a spot on its head, an hourglass mark and two spots on the pronotum, and a broad, dark stripe along the edge of each elytron. The larvae are usually black, occasionally black and yellow, with multiple rows of ...
The climbers found minimal damage from bark beetles after climbing into the top-most canopy of the 275 foot tree. Researchers were specifically looking for signs of damage from bark beetle, which ...
A bark beetle is the common name for the subfamily of beetles Scolytinae. [1] Previously, this was considered a distinct family (Scolytidae), but is now understood to be a specialized clade of the "true weevil " family (Curculionidae). Although the term "bark beetle" refers to the fact that many species feed in the inner bark (phloem) layer of ...
Ophiostoma ulmi is a species of fungus in the family Ophiostomataceae. It is one of the causative agents of Dutch elm disease. It was first described under the name Graphium ulmi, [2] and later transferred to the genus Ophiostoma. [3] Dutch elm disease originated in Europe in the early 1900s. [4] Elm trees were once an ecologically valuable ...