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For Insects, Spiders & Their Kin
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Species Stirellus bicolor

Leafhopper - Stirellus bicolor - female Stirellus bicolor (Van Duzee) - Stirellus bicolor Cicadellidae, lateral - Stirellus bicolor Leafhopper - Stirellus bicolor Stirellus ? - Stirellus bicolor Leafhopper - Stirellus bicolor - male Tiny Striped Hopper - Stirellus bicolor Stirellus bicolor? - Stirellus bicolor
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)
Superfamily Cicadoidea (Cicadas, Leafhoppers, and Treehoppers)
Family Cicadellidae (Leafhoppers)
Subfamily Deltocephalinae
Tribe Stenometopiini
Genus Stirellus
Species bicolor (Stirellus bicolor)
Synonyms and other taxonomic changes
Stirellus obtusus (Van Duzee)
Explanation of Names
Stirellus bicolor (Van Duzee 1892)
4 mm (A. Hamilton comment)
Distinguished from other greyish leafhoppers by very narrow head, with eyes separated by only their own width.
Two color forms; one occurs in cooler temperatures, the other in hot summers. The bright colors are brought out by longer day lengths and higher temperatures. --Per Dr. Hamilton's comments
Winter forms:

Summer forms:
e. US to AZ (NJ-NE to FL-AZ) to Brazil(1)
year round
General grass feeder including Andropogon spp. (Whitcomb et al. 1972)
S. bicolor and S. obtutus are photoperiodically induced color forms of a single species. (Whitcomb et al. 1972)
Print References
Whitcomb R.F., Kramer J.P., Coan M.E. (1972) Stirellus bicolor and S. obtutus (Homoptera: Cicadellidae): Winter and summer forms of a single species. Annals of the Entomological Society of America 65: 797–798. Abstract
Internet References