Mites & Ticks
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Eriophyid Mite Galls        Phytoptus cerasicrumena
On Black Cherry
Assateague Island National Seashore
Worcester County, Maryland
June 11, 2007
Photographer:  Richard Orr
Maple Bladder Galls        Vasates quadripedes
Eriophyid mite galls on Maple leaf
Howard County, Maryland
May 3, 2008
Photographer:  Richard Orr
Poison Ivy Galls               Aculops toxicophagus
Eriophyid mite galls on Poison Ivy leaves
Lake Kittamaqundi environs
Howard County, Maryland
August 24, 2008
Photographer:  Richard Orr
Velvet Mite                        Trombidium sp.
Catoctin Mountain National Park
Frederick County, Maryland
June 7, 2009
Photographer:  Richard Orr
Blackgum Leaf Galls      Eriophyes nyssae
Eriophyid mite galls on Blackgum tree
Fulton environs, Maryland
Howard County, Maryland
April 30, 2010
Photographer:  Richard Orr
Elm Finger Gall                Eriophyes parulmi
Eriophyid mite galls on Elm Leaf
Patapsco Valley State Park
Howard County, Maryland
July 14, 2010
Photographer:  Richard Orr
Buttonbrush Leaf Gall     Eriophyes cephalanthi
Eriophyid mite gall on Buttonbrush
Triadelphia Reservoir
Howard County, Maryland
July 29, 2011
Photographer:  Richard Orr
Lone Star Tick (larva)     Amblyomma americanum
Kent Island
Queen Annes County
August 7, 2011
Photographer:  Richard Orr
Tarsonemid Mite        Chaetodactylus species
on bee Osmia bucephala (male)
Catoctin Mountain Park
Frederick County, Maryland
April 24, 2012
Photographer:  Richard Orr
Trombidiidae Mites         Eutrombidium sp.
feeding on wing veins of a Carolina Grasshopper
Potomac River near mouth of  Fifteen-mile Creek
Allegany County, Maryland
July 12, 2012
Photograph:  Richard Orr
Ash Bead Gall Mite          Aceria fraxini
Eriophyid mite gall on Ash leaves
Patapsco Valley State Park
Howard County, Maryland
July 17, 2014
Photographer:  Richard Orr
Beech Patches                 Acalites fagerinea
Eriophyid mite erineum patches on American Beech leaves
Ceder Lane Park
Howard County, Maryland
August 11, 2014
Photographer:  Richard Orr