Raspberry Cane Midge

Resseliella theobaldi

Raspberry cane midge is a pest of raspberries throughout Europe, loganberries can also be affected.  There are three to four generations throughout the summer and early autumn period.  The second and third generations occur at a time when susceptible varieties develop splits in the new canes. The raspberry cane midge is a widespread and serious pest of summer fruiting raspberry varieties. The midge, which is a small reddish-brown fly, does not itself cause much harm, however its larvae which are pink and grow up to 4mm in length, which cause the harm by feeding and damaging the canes opening them up to infection by diseases such as raspberry cane blight.

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