How do you get rid of cane borers?

To get rid of the two types of cane borers, keep an eye out for wilted tips. Once you see them, prune back the damaged canes to a point at least 6 inches below where the wilting stops. Likely, the section you’ve removed contains the troublesome larvae as well. Destroy (don’t compost) any tips you’ve pruned out.

What do cane borers look like?

The raspberry cane borer is a slender long-horned beetle measuring about 1/2 inch long. It is black in color except for a yellow-orange thorax with two or three black dots and has long antennae. The elongate, cylindrical, legless larva is white and attains a length of nearly 3/4 inch.

Why are my raspberry canes dying?

Cane blight is a disease of raspberries caused by the fungus Paraconiothyrium fuckelii, which infects the developing canes through wounds, causing them to die back. The fungus causing raspberry cane blight can also cause a canker disease of roses and a root rot of strawberries.

What is eating holes in my raspberry leaves?

The raspberry fruitworm is a small, light-brown beetle that measures approximately 1/8 inch long at maturity. The adult beetles feed between the veins of your raspberry leaves, creating elliptical holes in the foliage. These beetles lay their eggs around the flower buds of your raspberry.

What does a borer do to a raspberry plant?

Raspberry cane borers insert their eggs completely into the stem. Raspberry cane borers have been reported from brambles and raspberry as well as azalea, rose, and even oak. Raspberry cane borers usually cause the host stem to wilt. Raspberry cane borers usually cause the host stem to wilt.

What kind of beetle is a raspberry cane borer?

Raspberry cane borer damage. The raspberry cane borer is a slender long-horned beetle measuring about 1/2 inch long. It is black in color except for a yellow-orange thorax with two or three black dots and has long antennae.

When do you spray for raspberry cane borers?

If there is a severe pest infestation, pesticide sprays are targeted on the adults in the immediate prebloom period, just before the flowers open. Left, Close up of raspberry cane borer adult and recently chewed girdles, marking where the egg will be laid. Right, Raspberry cane borer larvae boring into raspberry cane.

What kind of bug eats Raspberry canes in Michigan?

If the answer is yes, I know they have the raspberry cane borer. Raspberry cane borer, Oberea bimaculata Oliver, is a beetle pest of raspberries that is widespread in Michigan. The beetle lives its life feeding on raspberries. The adults emerge in June. They feed on the tender shoot tips of new raspberry canes.