Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Subfamily Tettigoniinae - Shield-backed Katydids

What kind of hopper is this ? - Metrioptera roeselii Katydid? - Atlanticus monticola Anabrus - Mormon Cricket? - Anabrus simplex - female Shield-backed Katydid - Decticita brevicauda - female Roesel's? - Metrioptera roeselii Shield-backed Katydid? - Steiroxys Roesel’s Katydid - Metrioptera roeselii - female Eremopedes - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Orthoptera (Grasshoppers, Crickets, Katydids)
Suborder Ensifera (Long-horned Orthoptera)
Family Tettigoniidae (Katydids)
Subfamily Tettigoniinae (Shield-backed Katydids)
Other Common Names
Predaceous Katydids
Numbers
Singing Insects of North America lists approximatley 25 genera. (1)
Capinera (2) lists 122 North American species in this subfamily.
Size
18-50 (a few, 85) mm
Identification
Usually have short wings, brown or black coloration. Pronotum usually shield-like, extends back over wings. Resemble robust crickets. True "shieldbacks", e.g., Atlanticus, have reduced wings, especially in females, and are flightless.
Range
Most genera (21 or so) in western North America. Four genera in east, Atlanticus is widespread.
Habitat
Varied: open country, croplands, a few in forests
Season
Summer, early fall
Food
Some species are active predators of other insects. Many also eat plant material and scavenge dead insects.
Remarks
Formerly called subfamily Decticinae. May bite if handled. In Europe, called "Wart Biters". Some species are pests of crops, such as the "Mormon Cricket", Anabrus simplex.
Print References
Capinera, pp. 184-191, plates 41-42 (2)
Arnett, pp. 163-164, figs. 11.19--Anabrus, 11.2--Atlanticus, 11.21--Peranabrus, 11.22--Hubbellia. (3)
Helfer, pp. 281-303, figs. 437-481 illustrates several genera. (4)
Internet References
SINA (1): subfamily page
key to Eastern genera, species list--has links to several accounts with photos
Insects of Cedar Creek--Minnesota, only Atlanticus is listed