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Psallus cf. falleni
Family: Miridae

The Psallus group includes many small bugs (< 6 mm) which are often mottled red, grey or dark brown. The pronotum and forewings are covered in scale like pale hairs and the tibial spines arise from black spots.

Species identification of 
Psallus based on external features is often difficult and frequently impossible. However, the hostplant can be informative, and may narrow down the range of possibilities.

P. falleni is a late season bug which occurs abundantly on birch across the UK. The cuneus is pale at the base and very narrowly pale at the tip. There are many similar species, but none which use this hostplant.


Adult: July-September
Length ~4 mm

Psallus falleni
Adult: north London (August 2008) ©Tristan Bantock

Psallus falleni
Adult: north London (August 2008) ©Tristan Bantock