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2526-12. Reddish-green bladder galls on upper leaf surfaces of poison ivy produced by the eriophyid mite, Aculops rhois (A. toxicophagus, family Eriophyidae) in Bee Creek Park. College Station, Texas, June 10, 2019Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Puckered, irregular, wart-like galls on leaf surfaces of poison ivy produced by the eriophyid mite Aculops rhois (A. toxicophagus) in Bee Creek Park. College Station, Texas, June 10, 2019  Irregular, wart-like light green to reddish-green bladder galls on leaf surfaces of poison ivy produced by leaf gall mite Aculops toxicophagus in Bee Creek Park. College Station, Texas, June 10, 2019  Poison ivy leaf gall mite (irregular, wart-like light green to reddish-green bladder galls) in Bee Creek Park. College Station, Texas, June 10, 2019  Yellowish-green and brilliant red wart-like galls on leaf surfaces of poison ivy in Bee Creek Park. College Station, Texas, June 10, 2019  Red velvety patches on a birch leaf caused by the eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017  Red velvety patches on a birch leaf caused by the velvet erineum gall eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017  Velvety patches on a birch leaf caused by the velvet erineum gall eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, August 21, 2017  Galls (numerous pale green warts) on leaves of common ragweed (Ambrosia artemisiifolia) caused by eriophyid gall mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021  Some mite from a plant leaf under microscope, collected in Lick Creek Park. College Station, Texas, April 18, 2022  Persimmon leaf blister galls caused by bead gall mite Aceria theospyri on leaves of persimmon (Diospyros virginiana) on Richards Loop Trail in Sam Houston National Forest. Texas, May 26, 2022  Reddish young leaves of poison ivy in Bee Creek Park. College Station, Texas, March 21, 2024  Distorted leaves of common ragweed (Ambrosia artemisiifolia) with galls caused by eriophyid mites in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, August 25, 2021  Galls on a leaf of mustang grape in Bee Creek Park. College Station, Texas, March 26, 2026  Close up of reddish spots on a leaf of Drummond s beeblossom (Oenothera xenogaura, Gaura drummondii) developed under low light and cool growing conditions in Wolf Pen Creek Park. College Station, Texas, March 24, 2019  Small, reddish spheres of oak leaf galls (specifically from the gall wasp Belonocnema kinseyi or a related cynipid species) harvested by ants at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 14, 2025  A bud gall caused by an Eriophyid mite and a cone on a fallen loblolly pine on Richards Loop Trail in Sam Houston National Forest. Montgomery County, Texas, March 22, 2026  Green camouflage of common true katydid on a leaf in Lick Creek Park. College Station, Texas, June 8, 2022  Upper view of a small reddish-brown gilled mushroom in moss on Closed Trail in Lick Creek Park. College Station, Texas, May 6, 2024  Galls caused by eriophyid mites on leaves of common ragweed (Ambrosia artemisiifolia) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021  Leaves of common ragweed (Ambrosia artemisiifolia) with galls caused by eriophyid mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021  Distorted leaves of common ragweed (Ambrosia artemisiifolia) with galls caused by eriophyid mites at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 3, 2021  Orange and green leaves of poison ivy in Lick Creek Park. College Station, Texas, December 23, 2023  A bud gall caused by an Eriophyid mite, most likely from the genus Trisetacus (such as Trisetacus floridanus or a related species) on a fallen loblolly pine on Richards Loop Trail in Sam Houston National Forest. Montgomery County, Texas, March 22, 2026  Green leaves of eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, April 19, 2020  Leaf cutting ant mound on a sandy road in Lick Creek Park. College Station, Texas, June 6, 2019  Sporangia of bladder-moss (Physcomitrium pyriforme) on Post Oak Trail in Lick Creek Park. College Station, Texas, March 11, 2019  Red velvety patches on a birch leaf (velvet erineum galls) in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017  Close-up of a leaf of curly dock (Rumex crispus) with reddish purple blotches caused by fungus Ramularia rubella in Bee Creek Park. College Station, Texas, February 24, 2023  Underside of a leaf of curly dock (Rumex crispus) with reddish purple blotches caused by fungus Ramularia rubella in Bee Creek Park. College Station, Texas, February 24, 2023  Orange sporangia of bladder-moss (Physcomitrium pyriforme) on a side of Post Oak Trail in Lick Creek Park. College Station, Texas, February 20, 2019  Flowers of poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, May 1, 2019  Cap surfaces of Trametopsis cervina mushrooms on an oak log in Bee Creek Park. College Station, Texas, November 4, 2017  Eastern poison ivy (Toxicodendron radicans) in Wolf Pen Creek Park. College Station, Texas, March 24, 2019  Bright, yellow-green, densely packed tufts of very small, rosette-like shoots of a young growth of Common Bladder-moss (Physcomitrium pyriforme), or potentially a Weissia species, on a lawn in Bee Creek Park. College Station, Texas, February 24, 2025  Green and orange foliose lichens on a fallen oak twig in Lick Creek Park. College Station, Texas, June 18, 2019  Green lynx spider on a yellow flower of aster family in Lick Creek Park. College Station, Texas, October 17, 2010  Galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014  Galls under an oak leaf in Birch Creek Unit of Somerville Lake State Park. Texas, November 11, 2012  Upper and lower cap surfaces of bicoloured bracket mushroom (Gelatoporia dichroa, Vitreoporus dichrous) on a dry red cedar tree without bark at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2020  Gills and dirty green caps of brittlegill mushrooms Russula aeruginea(?) in Lick Creek Park. College Station, Texas, June 28, 2019  Close up of galls on an oak leaf near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014  Some tiny mite under a microscope, fallen from a polypore collected a day before in Lick Creek Park. College Station, Texas, September 21, 2022  Buttonbush with leaf galls caused by mites Aceria cephalanthi in Watson Rare Native Plant Preserve. Warren, Texas, June 25, 2022  Blob of foam (masses of frothy bubbles) produced by spittlebugs on grass in Lick Creek Park. College Station, Texas, April 18, 2008  Blob of foam (masses of frothy bubbles) produced by spittlebugs on grass in Lick Creek Park. College Station, Texas, April 12, 2021  Leaf tip of common green moss through a microscope, collected on a lawn in Bee Creek Park. College Station, Texas, February 11, 2022  Reddish-brown bitter bolete mushrooms (Tylopilus rubrobrunneus) in Lick Creek Park. College Station, Texas, June 2, 2020  Blob of foam (masses of bubbles) produced by spittlebugs on Iron Bridge Trail in Lick Creek Park. College Station, Texas, April 27, 2010  Leaf of common green moss through a microscope at low magnification, collected on a lawn in Bee Creek Park. College Station, Texas, February 11, 2022  Green flowers of lily family in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, June 3, 2019  Blister-like pustules on underside and yellow-orange sunken spots on upper leaf surface of Carolina bristlemallow (Modiola caroliniana) caused by rust fungus Puccinia modiolae, taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019  Plant cells of a leaf of common green moss through a microscope, collected on a lawn in Bee Creek Park. College Station, Texas, February 11, 2022  Olive brown rotting leaf of green ash on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022  Fluffy seed head of a plant of aster family in Wolf Pen Creek Park. College Station, Texas, April 24, 2019  Fresh reddish leaves on a tree of rose family in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 7, 2019  Spotted leaves of Chinese Tallow exhibiting a phenomenon known as the "green island" effect. The infection sites produce or retain cytokinins (plant hormones) that keep the chlorophyll active in that specific spot. As a result, while the rest of the leaf receives the signal to shut down for winter (losing its green chlorophyll and revealing the red anthocyanin pigments), the infected "islands" stay green and photosynthetically active. Bee Creek Park. College Station, Texas, November 7, 2025  Leaf of sycamore in Lick Creek Park. College Station, Texas, July 21, 2019  Venation of sycamore leaf in Lick Creek Park. College Station, Texas, August 2, 2019  Back lit sycamore leaf in Lick Creek Park. College Station, Texas, August 2, 2019  Dry galls of hackberry in Bee Creek Park. College Station, Texas, August 31, 2023  Brown moths on a leaf near Angliyskaya Alley in Upper Park. Oranienbaum (Lomonosov), a suburb of Saint Petersburg, Russia, June 22, 2014  Oak leaf galls (specifically from the gall wasp Belonocnema kinseyi or a related cynipid species) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Ants harvest the galls, carry them back to the nest to consume the nutritious outer layer, and often discard the hard inner "seed" (which contains the wasp larva) unharmed. This is a newly discovered form of "myrmecochory" (ant dispersal) where the gall wasp manipulates the ants to transport its offspring to the safety of the ant nest. Texas, December 14, 2025  Underside of a young sycamore leaf in Lick Creek Park. College Station, Texas, August 2, 2019  Reddish brown caps of polypore mushrooms Picipes virgatus (Polyporus virgatus, P. amygdalinus) on an oak log in Lick Creek Park. College Station, Texas, June 3, 2018  Leaf of greenbrier (Smilax) in Bee Creek Park in College Station, Texas, June 21, 2012  Back lit hickory like leaf on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 22, 2019  Hydnoid mushrooms Mycoaciella bispora on a leaf under an oak log in Lick Creek Park. College Station, Texas, November 26, 2019  Insect galls on mustang grape(?) in Bee Creek Park. College Station, Texas, April 9, 2021  Upper view of velvet tooth mushrooms Hydnellum spongiosipes enveloping oak leaves in Lick Creek Park. College Station, Texas, July 5, 2019  Veination of a leaf of greenbrier (Smilax) in Bee Creek Park in College Station, Texas, June 21, 2012  Back lit leaf of greenbrier (Smilax) in dew in Bee Creek Park in College Station, Texas, June 21, 2012  Leaf of mustang grape in Lick Creek Park. College Station, Texas, June 20, 2012  Back lit leaf of mustang grape in Bee Creek Park in College Station, Texas, June 21, 2012  Close up of a leaf of greenbrier (Smilax) in dew in Bee Creek Park in College Station, Texas, June 21, 2012  Leaf texture of an icy leaf of curly dock near the creek in Bee Creek Park. College Station, Texas, January 4, 2022  Upper view of wine glass fungus (Podoscypha petalodes) taken from Lick Creek Park. College Station, Texas, June 16, 2018  Reddish shoot of elm(?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019  Leaf of silk tree (Albizia julibrissin) in Bee Creek Park. College Station, Texas, June 24, 2022  Common true katydid on a leaf in Lick Creek Park. College Station, Texas, June 8, 2022  Leaf of poison ivy in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Grape Tomato Gall, Lasioptera vitis (mass of irregular swellings produced by the larva of a small two-winged fly) on mustang grape on Iron Bridge Trail in Lick Creek Park. College Station, Texas, May 4, 2010  Cystidia of bladder stalks fungus (Physalacria inflata) collected in Lick Creek Park. College Station, Texas, April 29, 2023  Spores of bladder stalks fungus (Physalacria inflata) collected a day before in Lick Creek Park. College Station, Texas, April 30, 2023  Basidioles(?) of bladder stalks fungus (Physalacria inflata) collected in Lick Creek Park. College Station, Texas, April 29, 2023  Ivy leaf Morning glory (Ipomoea cordatotriloba) in Lick Creek Park. College Station, June 15, 2008  Leaf cutter ant highway across a sandy road in Lick Creek Park. College Station, Texas, June 6, 2018  Leaf of mustang grape (Vitis mustangensis) in Lick Creek Park. College Station, Texas, June 14, 2012  Silver-leaf nightshade (Solanum elaeagnifolium) in Lick Creek Park. College Station, Texas, June 21, 2018  Pattern of a leaf of silk tree (Albizia julibrissin) in Bee Creek Park. College Station, Texas, June 24, 2022  Upper view of wine glass mushrooms (Podoscypha petalodes) on a sandy path in Lick Creek Park. College Station, Texas, June 21, 2018  Tough brown hair on upper side of a hexagon bracket mushroom (Cerrena hydnoides) in Bee Creek Park. College Station, Texas, June 17, 2026  Green flowers of lily family in Antique Rose Emporium. Independence, Texas, August 10, 2019  Tissues and hyphae of bladder stalks fungus (Physalacria inflata) collected in Lick Creek Park. College Station, Texas, April 29, 2023  Bladder stalks fungus (Physalacria inflata) on an oak log on Iron Bridge Trail in Lick Creek Park. College Station, Texas, April 29, 2023  Cystidia and basidioles(?) of bladder stalks fungus (Physalacria inflata) collected in Lick Creek Park. College Station, Texas, April 29, 2023  Tissues of bladder stalks fungus (Physalacria inflata) at low magnification collected in Lick Creek Park. College Station, Texas, April 29, 2023  Narrow-leaf water-primrose (Ludwigia octovalvis) with dew in Lick Creek Park. College Station, June 15, 2008  Side view of common true katydid on a leaf in Lick Creek Park. College Station, Texas, June 8, 2022  Rustweed (juniper leaf, Polypremum procumbens) on a new cutting in Lick Creek Park. College Station, Texas, June 4, 2018 |