Aceria anthocoptes can be found on Cirsium arvense, the Canada thistle, and is a good potential biological pest control agent of this invasive weed.

Depending upon the stage of development, both nymphs and adults can appear white, tan, pink, or yellow.

[4] This mite normally spends the winter as fertilized female adults, remaining under bud scales of the thistle.

[4] Aceria anthocoptes is considered to be a good potential biological control agent for Cirsium arvense, the Canada thistle.

It damages both the epidermal cells and deeper mesophyll layers, on both the upper and lower surfaces of this invasive weed.