Red-banded Leafhopper – Graphocephala coccinea Family Cicadellidae – Leafhoppers Bugs Main | Bugs Index | Assassin Bugs | Plant Bugs | Ambush Bugs Live adult leafhoppers photographed at DuPage County, Illinois. Size: 8.5mm |
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"Sharpshooter" is one common name for the leafhopper subfamily Cicadellinae, which includes Paraulacizes, Oncometopia, Cuerna, Draeculacephala, Graphocephala and many other genera. They get this name from their habit of feeding on the watery sap of xylem tissue, which conducts moisture from the roots up to the leaves. Excess water droplets are forced out the tip of the abdomen with an audible popping noise, hence the common name. See figure 1. [1] The red-banded leafhopper is widely distributed in North and Central America, from Canada south to Panama. [3] |
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G. coccinea has been identified as one of several leafhopper vectors of a leaf scorch known as Pierce's disease, caused by the gammaproteobacteria Xylella fastidiosa. It is responsible for the decline of certain woody plants such as elm, oak, and other ornamental trees. According to the United States National Arboretum, "An understanding of the transmission of this bacterium by insect vectors is economically important because there is neither any known effective therapy for infected trees and shrubs nor a strategy for preventing infection." [4] |
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Order Hemiptera: True Bugs number almost 5,000 species in North America, and 40,000 worldwide. They have mouthparts formed into a beak, adapted for sucking plant juices or the liquefied insides of their animal prey.
Suborder Auchenorrhyncha – Cicadas & Planthoppers Suborder Sternorrhyncha – Aphids, scales, mealybugs, jumping plant lice. |