The grape or vine louse belongs to the Aphides, or Green Flies. The insect lives on the European vine. Galls are formed by the louse on each side of roots and leaves.

Grape or Vine Louse

The grape or vine louse belongs to the Aphides, or Green Flies. The insect lives on the European vine.…

Psylla pyrisuga is a type of aphide. It is very harmful to pear trees.

Psylla Pyrisuga

Psylla pyrisuga is a type of aphide. It is very harmful to pear trees.

The larva of psylla pyrisuga live on pear trees and sometimes apple trees. The larvae suck the juice from the leaves.

Larva of Psylla Pyrisuga

The larva of psylla pyrisuga live on pear trees and sometimes apple trees. The larvae suck the juice…