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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Grasshoppers, Crickets, Katydids (Orthoptera) » Grasshoppers (Caelifera) » Pygmy Grasshoppers (Tetrigidae) » Tetriginae » Tetrix » Obscure Pygmy Grasshopper (Tetrix arenosa)

Species Tetrix arenosa - Obscure Pygmy Grasshopper

Classification · Other Common Names · Numbers · Size · Identification · Range · Habitat · Season · Life Cycle · See Also · Print References · Internet References · Works Cited
Pygmy Grasshopper - Tetrix arenosa Obscure Pygmy Grasshopper - Tetrix arenosa Obscure Pygmy Locust - Tetrix arenosa
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Orthoptera (Grasshoppers, Crickets, Katydids)
Suborder Caelifera (Grasshoppers)
Family Tetrigidae (Pygmy Grasshoppers)
Subfamily Tetriginae
Genus Tetrix
Species arenosa (Obscure Pygmy Grasshopper)
Other Common Names
Sanded Pygmy Grasshopper
Numbers
Two subspecies: arenosa/um and angusta/um
Size
9-14 mm
Identification
Grayish, brownish, or dark. Sometimes has a large whitish band across pronotum. Pronotum has only a feeble median ridge, is almost flat, apparently separating from other members of genus (1).
Range
Eastern North America: Ontario south to Texas and eastward to Atlantic.
Habitat
Found, especially, along margins of ponds, streams, woodland pools. Also sometimes found in drier areas.
Season
Much of year. Over-winters as adults, nymphs only found in mid-summer.
Life Cycle
Overwinters as adult.
See Also
Tetrix ornatus
Print References
Helfer p. 88, fig. 150 (1)
Marshall, photos 89.7-9 (2)
Brimley, p. 27, Acrydium arenosum (3)
Bland, p. 128, photo of specimen (4)
Bland and Jacques, How to Know the Insects, fig. 91--illustration (5)
Internet References
Insects of Quebec
Insects of Cedar Creek illustrates genus Tetrix: T arenosa-angusta, T. ornata, T. subulata.
Works Cited
1.How to Know the Grasshoppers, Cockroaches, and Their Allies
By Jacques R. Helfer
2.Insects: Their Natural History And Diversity: With a Photographic Guide to Insects of Eastern North America
By Stephen A. Marshall
3.Insects of North Carolina
By C.S. Brimley
4.Orthoptera of Michigan
By Roger Bland
5.How to Know the Insects
By Roger G. Bland, H.E. Jaques
Contributed by Cotinis on 10 May, 2005 - 10:47am
Last updated 5 November, 2006 - 5:35am

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