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Genus Obolopteryx - Short-wing Katydids

Pterophylla camellifolia nymph  ? - Obolopteryx brevihastata - female Common Short-wing Katydid (Dichopetala brevihastata) - Obolopteryx brevihastata - female short wing katydid? - Obolopteryx castanea Dichopetala - Obolopteryx - male green katydid - Obolopteryx Short-wing Katydid - Obolopteryx brevihastata - male Dichopetala castanea - Obolopteryx - male Obolopteryx - male
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 Phaneropterinae (Phaneropterine Katydids)
Genus Obolopteryx (Short-wing Katydids)
Synonyms and other taxonomic changes
Dichopetala Brunner von Wattenwyl, 1878
Obolopteryx Cohn, Swanson & Fontana, 2014
Explanation of Names
Most of our U.S. species formerly placed in the genus Dichopetala were transferred to a new genus, Obolopteryx, by Cohn, Swanson, & Fontana 2014 (with the exception of D. pollicifera, which was placed in genus Planipollex). The genus Dichopetala now contains only one species D. mexicana, which is not found in the U.S.
7 spp. in our area, 14 spp. total (1)(2)
13-25 mm body length (D. brevihastata)
Medium-sized, robust, flightless katydids. Forewings of females essentially absent (present as small scales). Males have short forewings used only in stridulation. Determination of species requires examining characters including the male cercus, female subgenital plate, and ovipositor.
sw. US, extending into Mexico(2); D. brevihastata is widespread (se. AZ to so. TX), our other spp. largely restricted to TX(3)
Species occur in a wide range of habitats, including mountains, low woodlands, shrublands and deserts (Cohn, Swanson, & Fontana 2014)
July-October (D. brevihastata)
Probably mostly herbivorous. Some species reported to eat flowers(4)
See Also
Arethaea may look similar as nymphs
Print References
Capinera et al., pp. 168-169, plate 35 (5)
Helfer, pp. 281-282 (4)
Cohn, Swanson & Fontana. 2014. Misc. Publ. Univ. Mich. Mus. Zool. 203:26
Internet References
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.Orthoptera Species File Online
3.Singing Insects of North America
4.How to Know the Grasshoppers, Cockroaches, and Their Allies
Jacques R. Helfer. 1962. Wm. C. Brown Company.
5.Field Guide To Grasshoppers, Katydids, And Crickets Of The United States
John L. Capinera, Ralph D. Scott, Thomas J. Walker. 2004. Cornell University Press.