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Genus Empoa

I am Curious (Yellow) - Empoa saffrana Leafhopper - Empoa gillettei Leafhopper  - Empoa albicans yellow and brown leafhopper - Empoa venusta Leafhopper - Empoa rubricola Brown band bug - Empoa gillettei Empoa casta Empoa n. sp. - Empoa n-species - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Auchenorrhyncha (Free-living Hemipterans)
Infraorder Cicadomorpha
Superfamily Membracoidea (Leafhoppers, Treehoppers and Aetalionids)
Family Cicadellidae (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. comments to S. Hendrix