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Rhododenron leafhopper, Scarlet and Green Leafhopper (Graphocephala fennahi)

Order: Homoptera (ho-MOP-ter-a) (Info)
Family: Cicadellidae (sik-ah-DELL-ih-dee) (Info)
Genus: Graphocephala (graf-o-SEF-a-la) (Info)
Species: fennahi


This bug has been reportedly found in the following regions:

Grenada, Mississippi
Merrimack, New Hampshire
Gouverneur, New York
Salem, Oregon
Verona, Pennsylvania
Greenback, Tennessee
Bremerton, Washington
Show all

Members' Notes:


On May 30, 2010, DWMike from Grenada, MS (Zone 8a) wrote:

The Rhododendron Leafhopper {Graphocephala fennahi} and the Scarlet and Green Leafhopper {Graphocephala coccinea} are not the same....there is a difference betweeen them, as described in the text below.

The rhododendron leafhopper, G. fennahi (7.3-9.0 mm), is the only one that feeds on that particular plant, and is the only one found on the Pacific Coast. The stripes are unequal, with the ones on the back being fainter. In addition, males have a distinct spine on the terminal segment (you have to lift up the wings to see this).

The northeastern G. picta looks very much like G. fennahi but is found on other plants and is somewhat shorter (6.9-8.7 mm).

The remaining 3 species (the widespread G. coccinea and... read more


On Jul 26, 2006, Vee8ch from Palm Bay, FL (Zone 9b) wrote:

Feeds on the juices of plants

Injects saliva that blocks the plants sap flow which causes leaf drop and sometimes death to the plant.

Eggs are laid in plant tissue.

Host plants are Rhododendron and Azalea.

Most commonly found in Eastern USA.