strange insect?

strange insect?

Observation - strange insect?. Description: Found on a diseased apple tree in my garden. There was a smaller version nearby but it moved too quickly for me to photograph or study. It seemed to be furry, had 6 legs and yellow/orange square on its back.

Found on a diseased apple tree in my garden. There was a smaller version nearby but it moved too quickly for me to photograph or study. It seemed to be furry, had 6 legs and yellow/orange square on its back.