Walnut tree insect (?) infestation

Asked August 19, 2019, 8:29 PM EDT

This walnut tree suffered storm damage last summer, losing about half of its canopy. I just noticed this insect (?) infestation. Can you tell me what this is?

Polk County Minnesota

1 Response

The photo shows lady beetle larva and pupa. These beetles prey on aphids and other insects so they will not damage the tree. Compare here: