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Genus Meconema

very small katydid? - Meconema thalassinum - male Orthoptera? - Meconema thalassinum - female katydid - Meconema thalassinum - male Orthoptera  Bush cricket? - Meconema meridionale Katydid? - Meconema thalassinum - male Southern Oak Bush-cricket - Meconema meridionale - female Unknown Orthopteran - Meconema thalassinum Green katydid? - Meconema thalassinum - 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 Meconematinae (Quiet-calling Katydids)
Genus Meconema
Synonyms and other taxonomic changes
Meconema Serville 1831. Type species: Locusta varia Fabricius [= Meconema thalassina De Geer]
Locusta (Meconema) (Serville) Wesmaƫl 1838
Two European species introduced in our area.
Most similar to Shield-backed Katydids, best distinguished from most by combination of smallish pronotum, long slender cerci in male or gently curved stout ovipositor nearly equally abdomen in length in female, nearly even green coloring with cream to brown stripe along middle of back with (only adults) two small but prominent dark markings at rear of top of pronotum, and lack of obvious stridulatory mechanism on adult male tegmina. One species is fully-winged and difficult to confuse with any other, the other species is also easily recognized by comparison with photos.
Youngest nymphs of the two species may not distinguishable from one another, but older nymphs can be distinguished by the size of the wing pads.
Europe; Japan; 2 spp. introduced