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Dicyphus errans
 Family: Miridae

Members of this genus can be difficult to identify using structural features, but general coloration and hostplant are often informative. 

This species is rather variable. The dark form is more distinctive, in which the head, pronotum, 1st and 2nd antennal segments are largely black. Pale forms can resemble D. epilobii, but the mesopleura are entirely dark (pale in D. epilobii). There are usually also dark markings on the sides of the head and antennal segments 2-4. Adults are almost always macropterous.

This predatory species is widespread across the UK on a variety of herbaceous plants.

Compare: D. epilobii

Adult: mainly June-October
Length 4.5 -5 mm
 Dicyphus errans
Adult dark form: Hants (June 208) ©Alby Oakshott
Dicyphus errans Dicyphus errans
Adult dark form: Hants (June 208) ©Alby Oakshott

 		Adult pale form : Hants (June 208) ©Alby Oakshott
Dicyphus errans Dicyphus errans
Adult pale form:  Berks (September 2008) ©Jonathan Michaelson

 Detail of pale form showing dark meospleuron (arrowed) ©Stuart Foster