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larose forest photos | profile | all galleries >> INSECTS (INSECTA) >> Insect Galls tree view | thumbnails | slideshow

Insect Galls

Galls can be found on just every plant, either on stems, leaves, twigs, roots, flowers. While some galls are formed by fungi, bacteria, or viruses, many are caused by insects. Gall-making insects are usually flies or wasps, but aphids and micro-moths can also create galls. Most are tiny, just about invisible to the naked eye. One exception is the fly that makes the familiar round Goldenrod gall. For the most part, galls are not detrimental to plants, being very self-contained, not spreading through roots, stem, leaves, etc. I find them fascinating and there are so many different types that it becomes a bit of a game to try and find and ID them.

New images are at the beginning.

Willow gall with larva
Willow gall with larva
Cocoons from bur oak galls
Cocoons from bur oak galls
Galls on Leaves
:: Galls on Leaves ::
Galls on wild grapes
Galls on wild grapes
Gall on the Mexican Muhli grass (Muhlenbergia mexicana)
Gall on the Mexican Muhli grass (Muhlenbergia mexicana)
Galls on Ninebark (Physocarpus opulifolius)
Galls on Ninebark (Physocarpus opulifolius)
Galls on Ninebark (Physocarpus opulifolius)
Galls on Ninebark (Physocarpus opulifolius)
Galls on Ninebark (Physocarpus opulifolius)
Galls on Ninebark (Physocarpus opulifolius)
Ash flower galls
Ash flower galls
Willow beaked-gall
Willow beaked-gall
Willow beaked-gall
Willow beaked-gall
Willow  gall
Willow gall
Willow  pinecone gall
Willow pinecone gall
Willow pinecone gall
Willow pinecone gall
Goldenrod gall made by a Tortricid moth
Goldenrod gall made by a Tortricid moth
Goldenrod gall made by a Tortricid moth
Goldenrod gall made by a Tortricid moth
Goldenrod gall made by a Tortricid moth
Goldenrod gall made by a Tortricid moth
Rough Goldenrod flower gall
Rough Goldenrod flower gall
Galls on Rough goldenrod (Solidago rugosa) flowers
Galls on Rough goldenrod (Solidago rugosa) flowers
Bunch gall on a Tall Goldenrod
Bunch gall on a Tall Goldenrod
Bunch gall on a Tall Goldenrod
Bunch gall on a Tall Goldenrod
Goldenrod bunch galls on Tall Goldenrod
Goldenrod bunch galls on Tall Goldenrod
Double goldenrod galls chewed open by squirrels
Double goldenrod galls chewed open by squirrels
Goldenrod Gall Fly pupal case (Eurosta solidaginis)
Goldenrod Gall Fly pupal case (Eurosta solidaginis)
Goldenrod Gall Fly pupal case (Eurosta solidaginis)
Goldenrod Gall Fly pupal case (Eurosta solidaginis)
Goldenrod gall
Goldenrod gall
Goldenrod gall
Goldenrod gall
Goldenrod gall and Goldenrod Gall Fly
Goldenrod gall and Goldenrod Gall Fly
Goldenrod gall
Goldenrod gall
Goldenrod gall collage
Goldenrod gall collage
Oak rough bullet galls
Oak rough bullet galls
Bur oak gall
Bur oak gall
Rough bullet gall on bur oak
Rough bullet gall on bur oak
A big cluster of oak rough bullet galls
A big cluster of oak rough bullet galls
Oak rough bullet galls on Bur Oak
Oak rough bullet galls on Bur Oak
Opened Oak rough bullet galls showing wasp cocoon
Opened Oak rough bullet galls showing wasp cocoon
Rough bullet galls on a Bur oak (Quercus macrocarpa)
Rough bullet galls on a Bur oak (Quercus macrocarpa)
Oak apple gall
Oak apple gall
Oak apple gall
Oak apple gall