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Ornamentals: Trees

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Image Subject Name Scientific Name Description
5458623 blade spruce Gall adelgid Adelges laricis Waxy secretion on larch needles.
5458595 oak bullet gall Disholcaspis quercusglobulus Oak bullet galls caused by cynipid wasps.
5458338 ash flower gall mite Eriophyes fraxiniflora Ash flower gall mite damage(distorted male flowers which have turned brown) as it appeared in August.
5458325 walnut twig beetle Pityophthorus juglandis Entrance and exit holes of the walnut twig beetle on black walnut.
2187057 spider mites abundant webbing
2721028 granulate ambrosia beetle Xylosandrus crassiusculus
2187056 longtailed mealybug Pseudococcus longispinus spots of honeydew on leaf
1540919 pine spittlebug Aphrophora parallela catskin
1540920 pine spittlebug Aphrophora parallela catskin
1540921 pine spittlebug Aphrophora parallela catskin
5422213 western drywood termite Incisitermes minor frass
5422216 western drywood termite Incisitermes minor frass
5078064 wool sower gall maker Callirhytis seminator insect gall
5393596 bronze birch borer Agrilus anxius Exit hole in bark
5392784 Asian longhorned beetle Anoplophora glabripennis pupal chamber frass
5392761 Asian longhorned beetle Anoplophora glabripennis egg and exit sites
5392762 Asian longhorned beetle Anoplophora glabripennis egg and exit sites
5392763 Asian longhorned beetle Anoplophora glabripennis egg and exit sites
5392764 Asian longhorned beetle Anoplophora glabripennis egg and exit sites
5392765 Asian longhorned beetle Anoplophora glabripennis egg and exit sites
5392766 Asian longhorned beetle Anoplophora glabripennis egg and exit sites
5392768 Asian longhorned beetle Anoplophora glabripennis egg sites
5392772 Asian longhorned beetle Anoplophora glabripennis egg and exit sites; bark removed
5392773 Asian longhorned beetle Anoplophora glabripennis egg and exit sites
5389253 tent caterpillar Eriogaster lanestris tent on tree
5389262 tent caterpillar Eriogaster lanestris
5334079 gouty oak gall Callirhytis quercuspunctata Wasp Gall
5371063 knopper gall Andricus quercuscalicis asexual gall
5371372 blade spruce Gall adelgid Adelges laricis
5371047 Acantholyda sawflies Acantholyda spp. frass
0656062 oriental beetle Anomala orientalis Last ventral segment of Blitopertha orientalis larva, showing longitudinal rows of spines and characteristic transverse anal opening. Raster pattern.  Black and white image
5369696 magnolia scale Neolecanium cornuparvum Drop of honeydew being exuded from adult scale
5304002 European elm scale Gossyparia spuria Sooty mold characteristic of chronic infestation by European elm scale in sites with little rainfall.
5304003 European elm scale Gossyparia spuria Sooty mold characteristic of chronic infestation by European elm scale in sites with little rainfall.
5304029 fall webworm Hyphantria cunea Frass collected at base of tent
5171037 emerald ash borer Agrilus planipennis root sprouts and crown dieback are typical indicatiors of an infested tree
2182058 basswood thrips Neohydatothrips tiliae antennae
5026013 smaller European elm bark beetle Scolytus multistriatus emergence hole
2721034 fall webworm Hyphantria cunea web on pecan
2187055 longtailed mealybug Pseudococcus longispinus honeydew on leaf
1626007 aphids Aphids excrete a sugary waste produce called honeydew. Notice the clear drop on the left side of this picture. Ants, bees, and wasps collect honeydew for food. Black and brown fungi, appropriately called sooty molds, cover leaves and other objects below aphid colonies where honeydew collects.
1435133 wax scales Ceroplastes spp.
2089040 fall webworm Hyphantria cunea on pecan
2666050 yellow pecan aphid Monelliopsis pecanis honeydew

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