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Species Graphocephala atropunctata - Blue-green Sharpshooter

Unk. Homopteran - Graphocephala atropunctata Green, yellow and black leafhopper - Graphocephala atropunctata Blue-Green Sharpshooter (Graphocephala atropunctata) - Graphocephala atropunctata Tiny (3/8 Leafhopper - Graphocephala atropunctata Leafhopper - Graphocephala atropunctata leafhopper - Graphocephala atropunctata Cicadellidae - Graphocephala atropunctata
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 Cicadellinae (Sharpshooters)
Tribe Cicadellini
Genus Graphocephala
No Taxon ("Hordnia species-group")
Species atropunctata (Blue-green Sharpshooter)
Synonyms and other taxonomic changes
Tettigonia atropunctata (Signoret, 1854)
Tettigonia circellata (Baker, 1898)
Cicadella atropunctata (Van Duzee, 1916)
Cicadella circellata (Van Duzee, 1916)
Neokolla circellata (Frazier, 1944)
Hordnia circellata (Oman, 1949)
Graphocephala atropunctata (Metcalf, 1965)
Explanation of Names
Graphocephala atropunctata (Signoret 1854)
atropunctata — 'dark-spotted'
Identification
A rather variable species ranging across a number of blue and green forms, usually based on population (due to genetic isolation). Populations in Northern California are often a dark green with fainter markings, while populations in Southern California are bright blue with darker markings.(1) The wings usually have dark/black venation which can sometimes appear very bold and imperfect as if drawn on with bleeding ink. There is a series of spots on the head (which is sometimes paler than the rest of the body) and pronotum, the placement of which can vary slightly based on population. The scutellum is often a pale to bright yellow.
Nymphs of this species are white/pale yellow with yellow markings on the abdomen developing with age. They are indiscernible from G. fennahi nymphs from Northern California to British Columbia, but are distinct throughout most of California.
Range
widespread throughout the western U.S. (recorded throughout Mexico and Central America, though this may potentially be a separate cryptic species)
Habitat
usually humid riparian areas, but can be found in a wide range of habitats
Food
a wide range of associated with vines and woody plants.(2) primarily found on wild grape and blackberry.
Remarks
a major vector of Pierce's disease of grape in coastal CA(2)
See Also
Graphocephala cythura — a similarly green sister species with more subtle markings and more wing venation. note faint striping on the pronotum.


Graphocephala minuenda — a species often green in colouration also found in the southwest with very different head markings. note the very bold pigmentation of the lowest wing vein.


Hortensia similis — a green species found in the gulf states—primarily Florida (and widespread in the neotropics). note the markings on the head and scutellum.
Works Cited
1.Genetic structure of Graphocephala atropunctata (Hemiptera: Cicadellidae) populations across its natural range in California rev
E. S. Ballman, P. F. Rugman-Jones, R. Stouthamer, M. S. Hoddle. 2011. Journal of Economic Entomology.
2.Garden Insects of North America : The Ultimate Guide to Backyard Bugs (Princeton Field Guides)
Whitney Cranshaw. 2004. Princeton University Press.