(Enchenopa binotata)
Conservation Status | IUCN Red List |
not yet assessed |
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NatureServe |
NNR - Unranked |
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Minnesota |
not listed |
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Occurrence |
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Flight/Season |
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Habitat |
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Size | 3 ⁄16″ to ¼″ |
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Identification | This is a small, 3 ⁄16″ to ¼″ long jumping insect. Like other treehoppers, it has the overall appearance of a thorn. The wings, pronotum, and legs are dark brown. The eyes are brown. The pronotum covers the thorax and abdomen, projects forward like a horn, and is slightly expanded at the tip. It has yellow spots near the center of the dorsal (upper) ridge. The first two pairs of legs are broad and flattened. |
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Similar Species |
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Nymphal Hosts |
Each of the nine species of this species complex (see Coments below) inhabits a single host plant species. Six species are found in Minnesota: American bittersweet, black locust. black walnut, butternut, common hop-tree, and nannyberry, |
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Adult Food | Adults are often found on non-host plants. |
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Life Cycle | The female deposits her eggs in a mass under the bark of a branch, then covers them with a foamy, white secretion (egg froth). The egg froth contains a chemical that attracts other females and signals them to deposit their eggs. Ten or more egg masses are often deposited on a single branch. Offspring overwinter as eggs. Eggs hatch the following spring. Nymphs produce sugary secretions that attract ants. Attendance by ants in the late season significantly reduces mortality. |
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Behavior | Adults are often seen in groups on a twig. They are usually in single file with their heads all pointing in the same direction. They puncture the twig and extract the sap. |
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Distribution | ![]() |
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Comments | Taxonomy |
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Taxonomy | Order: |
Hemiptera (true bugs, cicadas, hoppers, aphids and allies) |
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No Rank: |
Euhemiptera |
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No Rank: |
Clypeorrhyncha |
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Suborder: |
Auchenorrhyncha (free-living hemipterans) |
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Infraorder: |
Cicadomorpha |
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Superfamily: |
Membracoidea |
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Family: |
Membracidae (treehoppers) |
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Subfamily: |
Membracinae |
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Synonyms | Membracis binotata |
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Common Names |
two-marked treehopper two-spotted treehopper twomarked treehopper |
Glossary
Pronotum
The saddle-shaped, exoskeletal plate on the upper side of the first segment of the thorax of an insect.
Slideshows | ||
treehopper (Enchenopa) Bill Keim |
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Enchenopa binotata (Two-spotted Treehopper) Allen Chartier |
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