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Genus Empoa

Erythroneura? - Empoa gillettei Mostly white leafhopper - Empoa Brown-banded leafhopper - Empoa gillettei Typhlocyba casta? - Empoa gillettei Empoa casta Leafhopper - Empoa querci Empoa - female Empoa saffrana - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Auchenorrhyncha (True Hoppers)
Infraorder Cicadomorpha
Superfamily Membracoidea (Leafhoppers and Treehoppers)
Family Cicadellidae (Typical Leafhoppers)
Subfamily Typhlocybinae
Tribe Typhlocybini
Genus Empoa
Explanation of Names
Empoa (Fitch, 1851)
Numbers
16 spp. (all in the nominate subgenus) in our area, 24 spp. in 3 subgenera total(1)
Empoa albicans (Walsh, 1862)
Empoa apicata (McAtee, 1926
Empoa aureotecta (Sanders & DeLong, 1917)
Empoa bella (Hamilton, 1983)
Empoa casta (McAtee, 1926)
Empoa gillettei (Van Duzee, 1917)
Empoa latifasciata (Christian, 1953)
Empoa platana (Christian, 1953)
Empoa querci (Fitch, 1851)
Empoa rubricola (Christian, 1954)
Empoa saffrana (McAtee, 1926)
Empoa scripta (McAtee, 1919)
Empoa spinosa (Beamer, 1943)
Empoa unifasciata (Hamilton, 1983)
Empoa venusta (McAtee, 1926)
Empoa vestita (McAtee, 1926)
Range
the nominate subgenus is confined to the US & Canada, two other subgenera in E. Palaearctic(1)
Remarks
"[...] most species cannot be separated based on genitalia, only albicans and spinosa have distinct genitalia. We have limited barcode data, but what we do have suggests little or no differentiation within the gillettei complex at least. However, there is supposedly some association of the different colour forms with specific hosts. I think if the species are all truly distinct they must be very recently diverged." - J. Kits pers. comm. to S. Hendrix