The Drumming Katydid is an introduced species of bush cricket in British Columbia that originates in Europe, and is now found throughout the Lower Mainland. It is a pale green katydid with a yellow stripe and is between 14 and 20 mm long; antennae are up to 40 mm long (RBCM 2012).
The Royal BC Museum provides the following information on this species: "The Drumming Katydid arrived on the east coast of North America around 1957 and has since become established in the northeast United States and in Ontario. It appeared in BC in 1991 near Vancouver, and since then, it has become fully established in the Lower Mainland." (RBCM 2012).
Read more about this species.