European red mite

Panonychus ulmi European red mite General As the name implies, the European red mite, Panonychus ulmi , is mainly a pest of fruit trees (apple, pear, plum and cherry). However, it can attack a large s

Black vine weevil

Otiorhynchus sulcatus Black vine weevil General The black vine weevil, Otiorhynchus sulcatus, is a pest in many ornamental crops (e.g. rhododendron, cyclamen and azalea), as well as in strawberries an

Cabbage moth

Mamestra brassicae Cabbage moth General The cabbage moth (Mamestra brassicae) is a highly polyphagous defoliator. Besides being a major cabbage pest, it feeds on 70 plants of 22 families, among them c

Chafers

Amphimallon spp. Chafers General The chafers are beetles of the Scarabaeidae family. The larvae of both species live in the soil and feed on the roots of many plants. They are a serious pest that can

Click beetles

Agriotes spp. Click beetles General Click beetles are elongate beetles with a hard exoskeleton, with the head deeply retracted into the thorax. When disturbed they lie on their back feigning death and

Onion thrips

Thrips tabaci Onion thrips General The onion thrips (Thrips tabaci) is distributed throughout the world. It is found outdoors on many plants and particularly damaging on onions, leek, and in greenhous

Crane flies

Tipula spp. Crane flies General The larvae of crane flies , called leatherjackets, live in the soil and feed on roots and shoots (which they pull into the ground of mainly grasses and cereal crops. Th

Boisduval scale

Diaspis boisduvalii Boisduval scale General These three species of Diaspi s are very similar in their appearance and damage symptoms. Here, the Boisduval scale is described in more detail, as it is th

Woolly apple aphid

Eriosoma lanigerum Woolly apple aphid General The woolly aphid, Eriosoma lanigerum , is a serious worldwide apple pest. It is probably of North American origin and has been distributed to other parts

Yellow rose aphid

Rhodobium porosum Yellow rose aphid General The yellow rose aphid , Rhodobium porosum , is probably of North American origin but is now widely distributed in Europe, North Africa, parts of Asia and So