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Physatocheila dumetorum / confinis
Family: Tingidae

In Physatocheila species, the sides of the pronotum are distinctly down-turned. There are
three keels on the pronotum, all of which reach the head.

One of three lacebugs in this genus and by far the most common, P. dumetorum is only slightly widened across the middle of the forewings and is smaller than the others. The dark marginal area of the middle of the forewings has predominantly two rows of meshes, rather than three.

The name dumetorum has been used to refer to two very similar forms (now widely recognised as distinct species) in Britain: dumetorum sensu strictu and P. confinis.

confinis: head reddish to dark brown, the widest part of the lateral pronotal margins consist of 3-4 cells
dumetorum: head blackish,
the widest part of the lateral pronotal margins consist of 5-6 cells

However, the two forms co-occur, intermediates are common and there do not appear to be any ecological differences between the two. Whether they are in fact good species in western Europe seems debatable.

Typically found on lichen-covered trees, particularly hawthorn, across much of England and Wales.


Adult: All year
Length 2.5-3 mm 
Physatocheila dumetorum
Adult: north London (May 2009) ©Tristan Bantock

Physatocheila dumetorum Physatocheila dumetorum
Adult: north London (August 2008) ©Tristan Bantock

Adult: Norfolk (September 2015) ©Tristan Bantock

Physatocheila dumetorum Physatocheila dumetorum
Adult: north London (April 2008) ©Tristan Bantock

Adult: north London (May 2009) ©Tristan Bantock