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Friday 23 January 2015

Gum Leaf Katydid: Torbia viridissima

Gum Leaf Katydid
Notice the visible tip of the inner wing: Phaneroptera

Knock, knock
Who's there?
It's a Katydid
Katydid who?
Torbia viridissima


This Katydid was actually knocking on my front door one non windy summer night. It was attracted to the light and perched on the glass door till we switched the lights off. It is the Gum Leaf Katydid belonging to the subfamily of katydids called Phaneroptera. It is called Gum Leaf Katydid because the wings look exactly like a gum leaf, complete with venation. These katydids are arboreal and this feature makes for an excellent camouflage. They are large and agile. This one has reddish eyes, reddish colouration on the dorsum and reddish legs. The tips of the inner wing are exposed, which is a characteristic feature Phaneroptera, meaning 'visible wing'. 

Location: South West Coast, Western Australia
Season: Summer, January
Order: Orthoptera
Family: Tettigoniidae
Suborder: Ensifera
Superfamily: Tettigonioidea
Tettigoniidae
Subfamily: Phaneroptera
Torbia viridissima


Gum Leaf Katydid
Notice the male genitalia
The auditory apparatus on the bend of the first limb
References:
http://bie.ala.org.au/species/Torbia+viridissima#
http://www.bowerbird.org.au/observations/3660

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