Leafminers | Galls, Galls, Galls! | Leafminers | |
We are sorted by gall species - sort by host species | |||
Eriophyidae Gall Mite Eriophyidae underside galls on River Birch (Betula nigra) Sep 16, 2022 Arrowhead Park |
Eriophyidae Gall Mite Eriophyidae upperside galls on River Birch (Betula nigra) Sep 16, 2022 Arrowhead Park |
Oak Blister Gall Mite Aceria querci open gall on Bur Oak (Quercus macrocarpa) Aug 15, 2022 Arrowhead Park |
Oak Blister Gall Mite Aceria querci upperside gall on Bur Oak (Quercus macrocarpa) Aug 15, 2022 Arrowhead Park |
Oak Blister Gall Mite Aceria querci open gall on Bur Oak (Quercus macrocarpa) Sep 28, 2022 Russell R. Kirt Prairie |
Oak Blister Gall Mite Aceria querci upperside galls on Bur Oak (Quercus macrocarpa) Sep 28, 2022 Russell R. Kirt Prairie |
Ash Key Gall Mite Aceria fraxinivora galls on Green Ash (Fraxinus pennsylvanica) Jul 2, 2022 Naperville |
Ash Bead Gall Mite Aceria fraxini underside galls on Green Ash (Fraxinus pennsylvanica) Jul 23, 2022 Naperville |
Ash Bead Gall Mite Aceria fraxini upperside galls on Green Ash (Fraxinus pennsylvanica) Jul 23, 2022 Naperville |
Ash Bead Gall Mite Aceria fraxini underside galls on Green Ash (Fraxinus pennsylvanica) Aug 18, 2022 Arrowhead Park |
Ash Bead Gall Mite Aceria fraxini upperside galls on Green Ash (Fraxinus pennsylvanica) Aug 18, 2022 Arrowhead Park |
Lime Nail Gall Mite Eriophyes tiliae tip galls on American Linden (Tilia americana) Jul 5, 2022 Naperville |
Lime Nail Gall Mite Eriophyes tiliae upperside galls on American Linden (Tilia americana) Jul 5, 2022 Naperville |
Black Cherry Leaf Gall Mite Eriophyes cerasicrumena upperside galls on Black Cherry (Prunus serotina) Aug 15, 2022 Arrowhead Park |
Poison Ivy Leaf Mite Aculops rhois leaf galls on Poison Ivy (Toxicodendron radicans) Jun 27, 2022 Herrick Lake Forest Preserve |
Poison Ivy Leaf Mite Aculops rhois upperside galls on Poison Ivy (Toxicodendron radicans) Jun 27, 2022 Herrick Lake Forest Preserve |
Maple Bladdergall Mite Vasates quadripedes upperside galls on Silver Maple (Acer saccharinum) Jul 6, 2022 Arrowhead Park |
Maple Bladdergall Mite Vasates quadripedes upperside gall on Red Maple (Acer rubrum) Jul 20, 2022 McDowell Grove Forest Preserve |
Carbonifera Goldenrod Gall Midge Asteromyia carbonifera galls on Tall Goldenrod (Solidago altissima) Sep 6, 2022 Naperville |
Carbonifera Goldenrod Gall Midge Asteromyia carbonifera backlit galls on Tall Goldenrod (Solidago altissima) Sep 28, 2022 Russell R. Kirt Prairie |
Carbonifera Goldenrod Gall Midge Asteromyia carbonifera galls on Tall Goldenrod (Solidago altissima) Sep 28, 2022 Russell R. Kirt Prairie |
Cecidomyiidae Gall Midge Cecidomyiidae gall on Sawtooth Sunflower (Helianthus grosseserratus) Oct 5, 2022 Springbrook Prairie |
Cecidomyiidae Gall Midge Cecidomyiidae open gall on Sawtooth Sunflower (Helianthus grosseserratus) Oct 5, 2022 Springbrook Prairie |
Goldenrod Gall Fly Eurosta solidaginis gall larva on Canada Goldenrod (Solidago canadensis) Oct 25, 2006 Russell R. Kirt Prairie |
Goldenrod Gall Fly Eurosta solidaginis gall larva on Canada Goldenrod (Solidago canadensis) Apr 9, 2008 Russell R. Kirt Prairie |
Sawtooth Sunflower Midge Pilodiplosis helianthibulla underside gall on Sawtooth Sunflower (Helianthus grosseserratus) Jul 19, 2022 Herrick Lake Forest Preserve |
Sawtooth Sunflower Midge Pilodiplosis helianthibulla upperside gall on Sawtooth Sunflower (Helianthus grosseserratus) Jul 19, 2022 Herrick Lake Forest Preserve |
Sawtooth Sunflower Midge Pilodiplosis helianthibulla open gall on Sawtooth Sunflower (Helianthus grosseserratus) Aug 12, 2023 Hinsdale Prairie |
Sawtooth Sunflower Midge Pilodiplosis helianthibulla underside gall on Sawtooth Sunflower (Helianthus grosseserratus) Aug 12, 2023 Hinsdale Prairie |
Sawtooth Sunflower Midge Pilodiplosis helianthibulla upperside gall on Sawtooth Sunflower (Helianthus grosseserratus) Aug 12, 2023 Hinsdale Prairie |
Goldenrod Bunch Gall Midge Rhopalomyia solidaginis gall pupa on Canada Goldenrod (Solidago canadensis) Sep 17, 2015 Russell R. Kirt Prairie |
Goldenrod Bunch Gall Midge Rhopalomyia solidaginis gall pupa dorsal on Canada Goldenrod (Solidago canadensis) Sep 17, 2015 Russell R. Kirt Prairie |
Oak majalis Gall Midge Macrodiplosis majalis gall on Red Oak (Quercus rubra) Jul 2, 2022 Naperville |
Oak majalis Gall Midge Macrodiplosis majalis gall on Pin Oak (Quercus palustris) Aug 22, 2022 Arrowhead Park |
Oak Leaf Gall Midge Polystepha pilulae upperside galls on Red Oak (Quercus rubra) Jun 27, 2022 Herrick Lake Forest Preserve |
Hickory Onion Gall Midge Caryomyia caryaecola underside galls on Shagbark Hickory (Carya ovata) Jun 24, 2022 Herrick Lake Forest Preserve |
Hickory Spiny Gall Midge Caryomyia echinata underside galls on Shagbark Hickory (Carya ovata) Jul 19, 2022 Herrick Lake Forest Preserve |
Hickory Spiny Gall Midge Caryomyia echinata underside galls on Shagbark Hickory (Carya ovata) Aug 22, 2023 Herrick Lake Forest Preserve |
Hickory Spiny Gall Midge Caryomyia echinata upperside galls on Shagbark Hickory (Carya ovata) Aug 22, 2023 Herrick Lake Forest Preserve |
Hickory Placenta Gall Midge Caryomyia thompsoni underside gall on Shagbark Hickory (Carya ovata) Jun 24, 2022 Herrick Lake Forest Preserve |
Citrina Gall Midge Contarinia citrina gall on American Linden (Tilia americana) Sep 16, 2024 Morton Arboretum |
Linden Wart Gall Midge Contarinia verrucicola underside gall on American Linden (Tilia americana) Sep 16, 2024 Morton Arboretum |
Linden Wart Gall Midge Contarinia verrucicola upperside gall on American Linden (Tilia americana) Sep 16, 2024 Morton Arboretum |
Hawthorn Gall Midge Blaesodiplosis canadensis underside gall on Cockspur Hawthorn (Crataegus crus galli) Oct 2, 2022 Danada Forest Preserve |
Hawthorn Gall Midge Blaesodiplosis canadensis upperside gall on Cockspur Hawthorn (Crataegus crus galli) Oct 2, 2022 Danada Forest Preserve |
Contarinia Gall Midge Contarinia open gall on Box Elder (Acer negundo) Aug 13, 2022 McDowell Grove Forest Preserve |
Contarinia Gall Midge Contarinia upperside gall on Box Elder (Acer negundo) Aug 13, 2022 McDowell Grove Forest Preserve |
Contarinia Gall Midge Contarinia underside gall on Box Elder (Acer negundo) Oct 10, 2022 Arrowhead Park |
Contarinia Gall Midge Contarinia upperside gall on Box Elder (Acer negundo) Oct 10, 2022 Arrowhead Park |
Contarinia Gall Midge Contarinia upperside open gall on Box Elder (Acer negundo) Oct 10, 2022 Arrowhead Park |
Cypress Twig Gall Midge Taxodiomyia cupressiananassa galls on Bald Cypress (Taxodium distichum) Oct 9, 2020 COD Main Campus |
Cedar-Quince Rust Gymnosporangium clavipes overwintering gall on Washington Hawthorn (Crataegus phaenopyrum) Oct 5, 2022 Springbrook Prairie |
Eutypella Canker Eutypella parasitica canker on Sugar Maple (Acer saccharum) May 4, 2023 Morton Arboretum |
Cedar-Apple Rust Gymnosporangium juniperi-virginianae gall on Eastern Red Cedar (Juniperus virginiana) Jun 16, 2022 Arrowhead Park |
Cedar-Apple Rust Gymnosporangium juniperi-virginianae side gall on Eastern Red Cedar (Juniperus virginiana) Apr 30, 2024 Arrowhead Park |
Cedar-Apple Rust Gymnosporangium juniperi-virginianae top gall on Eastern Red Cedar (Juniperus virginiana) Apr 30, 2024 Arrowhead Park |
Globular Hickory Phylloxera Phylloxera caryaeglobuli underside galls on Shagbark Hickory (Carya ovata) Jul 19, 2022 Herrick Lake Forest Preserve |
Globular Hickory Phylloxera Phylloxera caryaeglobuli upperside galls on Shagbark Hickory (Carya ovata) Jul 19, 2022 Herrick Lake Forest Preserve |
Phylloxera Aphid Phylloxera underside gall on Shagbark Hickory (Carya ovata) Aug 22, 2023 Herrick Lake Forest Preserve |
Phylloxera Aphid Phylloxera upperside gall on Shagbark Hickory (Carya ovata) Aug 22, 2023 Herrick Lake Forest Preserve |
Poplar Leaf-base Gall Aphid Pemphigus populicaulis gall on Cottonwood (Populus deltoides) Jul 6, 2022 Arrowhead Park |
Poplar Petiole Gall Aphid Pemphigus populitransversus gall on Cottonwood (Populus deltoides) Oct 8, 2011 COD Seed Collection |
Hackberry Nipplegall Psyllid Pachypsylla celtidismamma underside galls on Hackberry (Celtis occidentalis) Aug 31, 2021 Naperville |
Oriental Grass Root Aphid Tetraneura akinire upperside galls on American Elm (Ulmus americana) Jul 2, 2022 Naperville |
Grape Phylloxera Daktulosphaira vitifoliae underside gall on Riverbank Grape (Vitis riparia) Jul 19, 2022 Herrick Lake Forest Preserve |
Grape Phylloxera Daktulosphaira vitifoliae underside galls on Riverbank Grape (Vitis riparia) Jul 19, 2022 Herrick Lake Forest Preserve |
Grape Phylloxera Daktulosphaira vitifoliae upperside gall on Riverbank Grape (Vitis riparia) Jul 19, 2022 Herrick Lake Forest Preserve |
Grape Phylloxera Daktulosphaira vitifoliae upperside galls on Riverbank Grape (Vitis riparia) Jul 19, 2022 Herrick Lake Forest Preserve |
Oak Rough Bulletgall Wasp Disholcaspis quercusmamma Bald-faced Hornet drinking gall Aug 31, 2021 Naperville |
Hedgehog Gall Wasp Acraspis erinacei gall on White Oak (Quercus alba) Feb 26, 2008 Russell R. Kirt Prairie |
Hedgehog Gall Wasp Acraspis erinacei gall Lacewing egg on White Oak (Quercus alba) Jul 29, 2021 Russell R. Kirt Prairie |
Jewel Oak Gall Wasp Acraspis quercushirta underside gall on Bur Oak (Quercus macrocarpa) Aug 30, 2021 Arrowhead Park |
Jewel Oak Gall Wasp Acraspis quercushirta underside gall on Bur Oak (Quercus macrocarpa) Jun 24, 2022 Herrick Lake Forest Preserve |
Jewel Oak Gall Wasp Acraspis quercushirta underside gall on Bur Oak (Quercus macrocarpa) Jul 19, 2022 Herrick Lake Forest Preserve |
Jewel Oak Gall Wasp Acraspis quercushirta open gall on Bur Oak (Quercus macrocarpa) Aug 15, 2022 Arrowhead Park |
Jewel Oak Gall Wasp Acraspis quercushirta upperside gall on Bur Oak (Quercus macrocarpa) Aug 15, 2022 Arrowhead Park |
Larger Empty Oak Apple Wasp Amphibolips quercusinanis empty gall on Red Oak (Quercus rubra) Jun 27, 2022 Herrick Lake Forest Preserve |
Larger Empty Oak Apple Wasp Amphibolips quercusinanis gall on Red Oak (Quercus rubra) Jun 27, 2022 Herrick Lake Forest Preserve |
Live Oak Apple Gall Wasp Amphibolips quercuspomiformis gall on California Live Oak (Quercus agrifolia) Feb 11, 2024 San Diego River Trail |
Live Oak Apple Gall Wasp Amphibolips quercuspomiformis open gall on California Live Oak (Quercus agrifolia) Feb 11, 2024 San Diego River Trail |
Oak Petiole Gall Wasp Andricus quercuspetiolicola galls on Swamp White Oak (Quercus bicolor) Sep 5, 2021 Naperville |
Lobed Oak Gall Wasp Andricus quercusstrobilanus galls on Swamp White Oak (Quercus bicolor) Sep 7, 2011 Russell R. Kirt Prairie |
Lobed Oak Gall Wasp Andricus quercusstrobilanus galls on Swamp White Oak (Quercus bicolor) Aug 23, 2013 Russell R. Kirt Prairie |
Lobed Oak Gall Wasp Andricus quercusstrobilanus galls on Swamp White Oak (Quercus bicolor) Sep 3, 2015 Danada Forest Preserve |
Lobed Oak Gall Wasp Andricus quercusstrobilanus galls on Swamp White Oak (Quercus bicolor) Sep 10, 2015 Russell R. Kirt Prairie |
Lobed Oak Gall Wasp Andricus quercusstrobilanus galls on Swamp White Oak (Quercus bicolor) Sep 5, 2021 Russell R. Kirt Prairie |
Oak Wart Gall Wasp Callirhytis quercusfutilis underside gall on White Oak (Quercus alba) Aug 6, 2022 Herrick Lake Forest Preserve |
Oak Wart Gall Wasp Callirhytis quercusfutilis upperside gall on White Oak (Quercus alba) Aug 6, 2022 Herrick Lake Forest Preserve |
Lacuna Oak Gall Wasp Disholcaspis lacuna galls on Gambel Oak (Quercus gambelii) Oct 19, 2024 Flagstaff |
Oak Rough Bulletgall Wasp Disholcaspis quercusmamma galls on Swamp White Oak (Quercus bicolor) Aug 25, 2016 Russell R. Kirt Prairie |
Oak Rough Bulletgall Wasp Disholcaspis quercusmamma gall on Swamp White Oak (Quercus bicolor) Aug 31, 2021 Naperville |
Oak Rough Bulletgall Wasp Disholcaspis quercusmamma gall on Swamp White Oak (Quercus bicolor) Sep 5, 2021 Russell R. Kirt Prairie |
Oak Rough Bulletgall Wasp Disholcaspis quercusmamma gall on Chinquapin Oak (Quercus muehlenbergii) Jul 20, 2022 McDowell Grove Forest Preserve |
Oak Rough Bulletgall Wasp Disholcaspis quercusmamma open gall on Chinquapin Oak (Quercus muehlenbergii) Jul 20, 2022 McDowell Grove Forest Preserve |
Druon ignotum Oak Gall Wasp Druon ignotum underside galls on Bur Oak (Quercus macrocarpa) Jun 24, 2022 Herrick Lake Forest Preserve |
Druon ignotum Oak Gall Wasp Druon ignotum underside gall on Bur Oak (Quercus macrocarpa) Oct 10, 2022 Arrowhead Park |
Succulent Oak Gall Wasp Dryocosmus quercuspalustris open gall on Pin Oak (Quercus palustris) May 30, 2023 Naperville |
Succulent Oak Gall Wasp Dryocosmus quercuspalustris underside gall on Pin Oak (Quercus palustris) May 30, 2023 Naperville |
Oak Button Gall Wasp Neuroterus umbilicatus underside galls on Swamp White Oak (Quercus bicolor) Sep 21, 2023 DuPage County |
Oak Button Gall Wasp Neuroterus umbilicatus upperside galls on Swamp White Oak (Quercus bicolor) Sep 21, 2023 DuPage County |
Jumping Oak Gall Wasp Neuroterus underside galls on White Oak (Quercus alba) Jun 29, 2006 Russell R. Kirt Prairie |
Conical Oak Gall Wasp Phylloteras volutellae underside galls on Bur Oak (Quercus macrocarpa) Aug 30, 2021 Arrowhead Park |
Conical Oak Gall Wasp Phylloteras volutellae underside galls on Swamp White Oak (Quercus bicolor) Sep 5, 2021 Russell R. Kirt Prairie |
Other Fauna | 48 species, 103 photos this page. | photographer: |