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Species Metrioptera roeselii - Roesel’s Katydid

Katydid ID - Metrioptera roeselii - female Cricket - Metrioptera roeselii - female Cricket type with large appendage  - Metrioptera roeselii - female Shield-backed Katydid - Metrioptera roeselii Metrioptera roeselii - female Metrioptera roeselii - male Metrioptera roeselii - male Metrioptera roeselii - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Orthoptera (Grasshoppers, Crickets, Katydids)
Suborder Ensifera (Long-horned Orthoptera)
Infraorder Tettigoniidea (Katydids, Camel Crickets, and relatives)
Family Tettigoniidae (Katydids)
Subfamily Tettigoniinae (Shield-backed Katydids)
Genus Metrioptera
Species roeselii (Roesel’s Katydid)
Synonyms and other taxonomic changes
Locusta roeselii (Hagenbach), 1822. Type locality: Basel, Switzerland
Locusta brevipennis Charpentier, 1825. Type locality: unknown
Locusta diluta Charpentier, 1825. Type locality: unknown
Decticus brevipennis (Charpentier) H. Burmeister, 1838
Metrioptera pellucida Herrich-Schäffer, 1840. Type locality: unknown
Chelidoptera sinuatus Fischer von Waldheim, 1846. Type locality: unknown
Decticus (Platycleis) brevipennis (Charpentier) Fischer, 1853
Platycleis brevipennis (Charpentier) Selys-Longchamps, 1868
Platycleis roeselii (Hagenbach)Brunner von Wattenwyl, 1882
Platycleis pulchra Werner, 1901. Type locality: probably Smyrna, West Anatolia
Chelidoptera roeselii (Hagenbach)W.F. Kirby, 1906
Chelidoptera brevipennis (Charpentier) W.F. Kirby, 1906
Chelidoptera pellucida (Herrich-Schäffer) W.F. Kirby, 1906
Chelidoptera pulchra (Werner) W.F. Kirby, 1906
Metrioptera roeselii (Hagenbach) Caudell, 1908
Metrioptera pulchra (Werner) Caudell, 1908
Roeseliana roeselii (Hagenbach) Zeuner, 1941
Roeseliana roeselii diluta (Charpentier) Zeuner, 1941
Metrioptera (Roeseliana) roeselii (Hagenbach) Cejchan, 1960
Roeseliana azami minor Nadig, 1961. Type locality: ? Umspannwerk Pian Scairolo, Cantone Ticino, Switzerland [as Piano Scairolo, Tessin, Italy]
Metrioptera (Roeseliana) azami minor (Nadig) Harz, 1969
Bicolorana (Roeseliana) roeselii (Hagenbach) Bellmann & Luquet, 1995
Metrioptera (Metrioptera) roeselii (Hagenbach) B. Nagy, 2005
Song is a "high-pitched quavering buzz" (species account with sound recordings.)
Northeastern United States west to Iowa, and adjacent Canada.
Introduced from Old World.
Found in grassy fields
Nymphs appear in April/May, mature by late June/early July, and last into August/September.
Life Cycle
Click on the image to see life cycle photos:
An introduced species from Europe first found in Montreal in 1953 (1).

Both long and short-winged forms exist. The long-winged forms can fly some distance and are more commonly collected here than in Europe.
Print References
"Field Guide To Grasshoppers, Katydids, And Crickets Of The United States" (1) p. 189
Works Cited
1.Field Guide To Grasshoppers, Katydids, And Crickets Of The United States
John L. Capinera, Ralph D. Scott, Thomas J. Walker. 2004. Cornell University Press.