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Iassus lanio
Family: Cicadellidae

The two species of Iassus can be separated from Batracomorpus by the 3 (rather than 5) spines at the tip of the hind femur. The relatively short and broad form of this genus is characteristic; the head is wide (equal to the width of the pronotum) and the sides of the pronotum are shorter than the eye.

In I. lanio the forewings vary in colour from green to pale brown and the vertex, pronotum and scutellum are heavily dark-mottled. The vertex is rounded and uniformly narrow from above. Compare: I. scutellaris

A large and conspicuous leafhopper, which is common on oak across the UK.

Adult: June to October
Length 6.5-8 mm
 Iassus lanio
Adult: Yorks (August 2006) ©Peter Birch
Iassus lanio Iassus lanio
Adult: Lincs (July 2008) ©Michael Talbot

 		Adult: north London (June 2008) ©Tristan Bantock
Iassus lanio Iassus lanio
Adult: north London (July 2008) ©Tristan Bantock

 		Adult: north London (July 2008) ©Tristan Bantock
Iassus lanio nymph Iassus lanio nymph
Nymph: Berks (June 2009) ©Jonathan Michaelson
 Nymph: north London (June 2009) ©Tristan Bantock