Homoptera (minus Cicadas, Aphids & Treehoppers)
Leafhopper                                                      Coelidia olitoria
On Dogbane
Columbia environs
Howard County, Maryland
October 18, 2008
Photographer:  Richard Orr
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Leafhopper                                                     Tylozygus geometricus
On Wavy-leaf Basket Grass
Patapsco Valley State Park
Howard County, Maryland
April 20, 2011
Photographer:  Richard Orr
Coccid scale on Vaccinium                        Parthenolecanium corni
Assateague Island National Seashore
Worcester County, Maryland
June 11, 2007
Photographer:  Richard Orr
Spittlebug (larval foam)                                Cercopidae
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
June 12, 2009
Photographer:  Richard Orr
Dictyopharid Planthopper                            Rhynchomitra sp.   
Middle Patuxent Environmental Area
Howard County, Maryland
September 5, 2010
Photographer:  Bonnie Ott                  
Acanaloniid Planthopper                             Acanalonia sp.
Mt. Pleasant (Howard County Conservancy)
Howard County, Maryland
August 26, 2010
Photographer:  Bonnie Ott
Leafhopper                                               Graphocephala (subgenus graphocephala) sp.
Meadow Brook Park
Howard County, Maryland
July 4, 2011
Photographer:  Bonnie Ott
Two-lined Spittlebug                                     Prosapia bicincta
Middle Patuxant Environmental Area
Howard County, Maryland
September 11, 2011
Photographer:  Bonnie Ott
Leafhopper                                                     Oncometopia orbona
Howard County, Maryland
June 8, 2012
Photographer:  Kathy Litzinger
Water Lily Planthopper                                Megamelus davisi
Lake Allen, Patuxent Research Refuge
Anne Arundel County, Maryland
April 6, 2013
Photographer: Richard Orr
Blackberry Psyllid                                          Trioza tripunctata
On Blackberry
Inlet stream at Wilde Lake
Howard County, Maryland
September 8, 2013
Photographer:  Richard Orr
Broad-headed Sharpshooter Leafhopper    Oncometoia orbona
Finzel Swamp
Garrett County, Maryland
June 23, 2014
Photographer:  Richard Orr
European Alder Spittlebug                           Aphrophora alni
Finzel Swamp
Garrett County, Maryland
June 23, 2014
Photographer:  Richard Orr
Pine Spittlebug                                               Aphrophora parallela
Finzel Swamp on Scotch Pine
Garrett County, Maryland
June 23, 2014
Photographer:  Richard Orr
Northern Flatid Planthopper                        Flatormenis proxima
Patapsco Valley State Park
Howard County, Maryland
August 7, 2014
Photographer:  Richard Orr
Kermesidae on Oak                                      Allokermes galliformis
On Willow Oak
Meadowbrook Park
Howard County, Maryland
September 4, 2014
Photographer:  Richard Orr
Hemlock Woolly Adelgid                              Adelges tsugae
On Eastern Hemlock
Centennial Park
Howard County, Maryland
March 17, 2015
Photographer:  Richard Orr
Spittlebug                                                        Lepyronia sp.
Middle Patuxent Environmental Area
Howard County, Maryland
June 24, 1015
Photographer:  Richard Orr
Two-striped Planthopper (pink form)       Acanalonia bivittata
Mt. Pleasant, Howard County Conservancy
Howard County, Maryland
August 5, 2015
Photographer:  Richard Orr
Pine Needle Scale                                         Chionaspis pinifoliae
on Loblolly Pine
Patuxent Wildlife Refuge
Anne Arundel County, Maryland
February 20, 2016
Photographer:  Richard Orr