Skip to Main navigation Skip to Left navigation Skip to Main content Skip to Footer

University of Minnesota Extension

Extension > Garden > Diagnose a problem > What's wrong with my plant? > Fruit > Raspberry > Holes in berries

Print Icon Email Icon Share Icon

Raspberry > Fruit > Holes in berries

1 of 3
  • Image: Sap Beetle 1
  • Image: Sap Beetle 2

Sap Beetle
Glischrochilus spp., Carpophilus spp.

  • Adults feed on ripe and overripe fruit, causing small (< ¼ inch) cavities in the drupelets
  • Beetles are approximately ¼ inch long, mostly black insects that are flattened and broadly oval with four yellowish-orange spots on their backs
  • Beetles appear at harvest and are attracted to overripe fruit
  • More information on Sap Beetle...
2 of 3
  • Image: Multicolored Asian Lady Beetle
  • Image: Multicolored Asian Lady Beetle 2

Multicolored Asian Lady Beetle
Harmonia axyridis

  • Adults are most likely feeding on the juice from insect damaged or diseased raspberries
  • Adults are present at/near harvest of fall bearing raspberries (September)
  • Adults are approximately ⅓ inch long and round. The coloration of MALB adults ranges from orange to red with zero to 19 black spots
  • More information on Multicolored Asian Lady Beetle...
3 of 3
  • Image: Yellowjackets

Vespula spp.

  • Adults feed on overripe or damaged raspberries
  • Adults are present at/near harvest of fall bearing raspberries (September)
  • Adult is ½ inch long and has alternating yellow and black bands on the abdomen
  • More information on yellowjackets...

Don't see what you're looking for?

  • © Regents of the University of Minnesota. All rights reserved.
  • The University of Minnesota is an equal opportunity educator and employer. Privacy