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Species Meconema thalassinum - Drumming Katydid

Tree Cricket ??? - Meconema thalassinum - male Drumming Katydid - Meconema thalassinum - male Katydid - Meconema thalassinum - female Katydid - Meconema thalassinum - female Orthoptera? - Meconema thalassinum - female Drumming Katydid - Meconema thalassinum - female Orthoptera  Bush cricket? - Meconema thalassinum Vashon BioBlitz 2012 - Is this Meconema thalassinum? - Meconema thalassinum
Classification
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 Meconematinae (Quiet-calling Katydids)
Genus Meconema
Species thalassinum (Drumming Katydid)
Other Common Names
Oak Bush-Cricket, Sea-Green Katydid
Explanation of Names
At William Whitaker's Words, "thalassinum" translates to "sea-green".
Size
14 - 19 mm
Identification
A tiny, sea-green katydid with a tympanum fully exposed on each foretibia. Forewings longer than hindwings. No stridulatory area apparent at base of male forewings. Male cerci long, slender, tubular, curving upwards (1).
Range
Southern New England and British Columbia. See also BugGuide range map for an indication of the expansion of the range into neighboring states.
Habitat
Deciduous trees and the vegetation beneath.
Season
July-Oct. One generation per year.
Remarks
According to the Singing Insects of North America website, the subfamily Meconematinae is represented in the US by only one species, M. thalassinum, which has been introduced from Europe.
This species calls by drumming the hind tarsus on a leaf (1)
Commonly preyed upon by wasps in the genus Isodontia.
Internet References
Singing Insects of North America has lots of info, range maps, and even a chart of the drumming sequence.
Works Cited
1.Guide to Night-Singing Insects of the Northeast
Michael DiGiorgio & John Himmelman. 2009. Stackpole Books.