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Iassus scutellaris
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.

This species is similar to I. lanio but is associated with elm. The vertex is more pointed and slightly longer in the centre than near the eyes. The vertex, pronotum and scutellum may be entirely green or variably dark-mottled, becoming red-brown in older specimens. The scutellum may have two dark triangles. Nymphs are covered in dark spines.

Although considered scarce and confined to south-east England, I. scutellaris may be common where it occurs. Recently recorded from Lincolnshire.

Adult: June to October
Length 7-8 mm
 Iassus scutellaris
Adult: north London (September 2008) ©Tristan Bantock
Iassus scutellaris Iassus scutellaris
Adult: north London (September 2008) ©Tristan Bantock

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

 		Adult: Lincs (July 2008) ©Michael Talbot
Iassus scutellaris Iassus scutellaris nymph
Adult: Surrey (June 2009) ©Tristan Bantock

 		Nymph: north London (June 2009) ©Tristan Bantock