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

Species Stilpnochlora couloniana - Giant Katydid

resting in shade central florida  - Stilpnochlora couloniana - female Giant Katydid nymph - Stilpnochlora couloniana Napier unknown - Stilpnochlora couloniana Katydid - Stilpnochlora couloniana Katydid in Ormond Beach - Stilpnochlora couloniana Stilpnochlora couloniana - female Katydid nymph  - Stilpnochlora couloniana Stilpnochlora couloniana - female
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 Phaneropterinae (Phaneropterine Katydids)
Genus Stilpnochlora
Species couloniana (Giant Katydid)
Synonyms and other taxonomic changes
Stilpnochlora couloniana (Saussure 1861)

Type Locality: Cuba
Numbers
1 sp. in the genus in the U.S.
Identification
Largest katydid in U.S, over 65 mm long. Top margin of tegmen with two sites of significantly increased curvature.
Range
FL and southern GA; also in Caribbean Islands inc. Bahamas and Cuba.
Habitat
Crowns of deciduous trees. Comes to lights.
Season
Seems to be present in FL as nymphs and adults year-round.
Life Cycle
Very young nymphs have "morse code" banding on antennae and very long bowed hind legs

Older nymphs often have a black "hourglass" shape on their backs

Adult male

Adult female

Eggs are very similar to eggs of Microcentrum spp.
Remarks
Will feed on bramble and oak in captivity.