elm bark beetle


elm bark beetle

n. Either of two bark beetles (Scolytus multistriatus or Hylurgopinus rufipes) that transmit one of the fungi that cause Dutch elm disease.

elm′ bark` bee`tle


n. 1. a shiny, dark reddish-brown European bark beetle, Scolytus multistriatus, now widespread in the U.S.: the primary vector of Dutch elm disease. 2. a bark beetle, Hylurgopinus opaculus, of E North America, that also transmits Dutch elm disease. [1905–10]