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Image Subject Name Scientific Name Description
5488693 Asian chestnut gall wasp Dryocosmus kuriphilus Dryocosmus kuriphilus galls on European chestnut
5488695 Asian chestnut gall wasp Dryocosmus kuriphilus Developing Dryocosmus kuriphilus galls on European chestnut
5488703 Asian chestnut gall wasp Dryocosmus kuriphilus Dryocosmus kuriphilus gall on European chestnut twig
5488706 Asian chestnut gall wasp Dryocosmus kuriphilus Dryocosmus kuriphilus galls on European chestnut twig
1329045 gall midge Mikiola fagi Leaf galls. Italy
1329016 oak phylloxera Phylloxera quercus Roselle Grosseto, Italy June 2000. The aphids live on the lower side of the leaf.
1329048 alder gall buprestid Eupristocerus spp. Pollinello, Italy June 1990; Damage results from the girdling of the stem by the tunnel of the larva before pupation
1329017 oak phylloxera Phylloxera quercus Roselle Grosseto, Italy June 2000.Lower side of the leaf with aphids and damage.
1329049 alder gall buprestid Eupristocerus spp. Pollinello, Italy June 1991; Girdling of the stem by the tunnel of the larva before pupation
5383055 gall midge Obolodiplosis robiniae
5383036 Asian chestnut gall wasp Dryocosmus kuriphilus adult in the gall  
5383037 Asian chestnut gall wasp Dryocosmus kuriphilus
1329014 cooley spruce gall adelgid Adelges cooleyi Adult and nymphs. Vallombrosa, Italy 23 April 1991, both the host and the insect were introduced from N America.

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