European red mite
ulmi , is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack a large scale of other woody plants and is occasionally a problem [...] eggs are about 0.15 mm in diameter, dark red, and oval with small ridges running top to bottom, with a thin stalk on top. They look a bit like an onion. Adult [...] The European red mite overwinters in the egg stage; the “winter eggs” are laid in the wooden parts of the host plants in autumn.