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oak apple gall from an Oregon Oak that was induced by the California gallfly Andricus californicus, Andricus quercuscalifornicus.
Red, crowned galls of the cone gall aphid on a witch hazel leaf, Hamamelis virginiana, in springtime at Blackledge Falls Park in Glastonbury, Connecticut.
Biorhza pallida on Quercus robur
Close up photo of Beech nut on tree
Close-up of large Galls on Common oak leaves created by gall wasp Cynips quercusfolii in Estonian boreal forest
Diseased Black currant leaf. It is caused by aphids/mites (under the leaf and red blisters/tumors form on the top of the leaf.
Tiny black Leptoconops nipponensis (Tokunagakuronukaka) midge wanders around, and the white galls of a small Diplolepis japonica (Barahatamabachi) wasp are growing.
Astata unicolor forages a centaury in summer.
Fungal disease on the fruit of a plant in a botanical garden, Odessa
View of an acorn plant.
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Oak galls
Macro of a pinecone gall on a willow tree.
White webbed cocoon of an unknown butterfly species on a stinging nettle
Bee nest
Sweetgum tree in the autumn, close up of a tree
Beechnuts
Fremontodendron californicum, with the common names California flannelbush, California fremontia, and flannel bush, is a flowering shrub native to diverse habitats in southwestern North America.  Seed pod. Malvaceae.
Rose bedeguar gall, Robin's pincushion gall, moss galls Diplolepis rosae on rose.
seeds on autumn tree
A ripe selection of fruits hangs from the branches of a lush tree
A tapered buffalo ceresis in Quebec in summer.
Japanese grape tree or Japanese grape, Hovenia dulcis loaded with fruits in a farm in Brazil
Hemlock woolly adelgid (HWA) infestation on underside of eastern hemlock branch in Connecticut. This tiny sapsucking insect from Asia, discovered in Virginia in 1951, is a major killer of eastern hemlocks, which are vitally important to Northeastern forest ecosystems. HWA is named for its woolly egg masses. Thanks to introduction of the Japanese ladybeetle, a predator of HWA, many hemlocks in Connecticut have survived since the first waves of tree mortality some 35 years ago.
Macro  -  Forest - Europe, Romania, Suceava region
A dead flower that will need deadheading.
Leaf of grapevines with galls of Grape phylloxera, Daktulosphaira vitifoliae
bud of a Pincushion Protea flower
blackcurrant gall or big bud mite (Cecidophyopsis ribis).
Bugs
Free Images: "bestof:Neuroterus quercusbaccarum (Gall wasp sp.) gall, Nijmegen, the Netherlands.jpg en Neuroterus quercusbaccarum Gall_wasp sp gall Nijmegen the Netherlands nl"
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