If individual raspberry canes wilt, the problem is usually due to feeding by cane borer
Grape cane borer
. University of Nebraska Viticulture Program, Lincoln.
Battle against Venezuela's cane borer
. Preliminary investigations and the launching of a general campaign.
New species of Trichogramma (Hym., Trichogrammatidae) associated with the sugar cane borer
Diatraea saccharalis (F.) (Lep., Pyralidae) in Brazil.
Your berry plants are being attacked by cane borers--probably the larvae of the black and orange raspberry cane borer
beetle or of the raspberry crown borer.
The southwestern corn borer and the sugar cane borer
are important insect pests in tropical and subtropical areas of maize production in Central America and the southern USA.
, their loss to cane yield and sugar content and their bio-control.