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Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

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Genus Meconema

Drumming Katydid - Meconema thalassinum - female Nymph - Meconema thalassinum katydid - Meconema thalassinum - female Meconema thalassinum - female Green Bug - Meconema thalassinum - male Meconema thalassinum Cricket? - Meconema thalassinum - female  Species Meconema thalassinum - Drumming Katydid - male ? - Meconema thalassinum - male
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
Synonyms and other taxonomic changes
Meconema Serville 1831. Type species: Locusta varia Fabricius [= Meconema thalassina De Geer]
Locusta (Meconema) (Serville) Wesmaƫl 1838
Numbers
Two European species introduced in our area.
Identification
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.
Range
Europe; Japan; 2 spp. introduced