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Zygina is a complex genus, most with a distinctive red zig-zag pattern covering the forewings. The patterns are variable, and identification can be difficult; care must be taken to look at the right combination of features and microscopic confirmation is necessary in some cases. Females may not be identifiable.
Z. nivea is relatively distinctive and is associated solely with white poplar Populus alba. The extent of the red markings is variable and they may be absent; a common form has a red spot at the tip of the vertex, with two more at the margins of the scutellum (right). The underside of the pronotum (mesonotum) is always dark (below).
A recent arrival in Britain, first recorded from the London area in 2010.
Adult: July to September
|Adult female: sest London (April 2010) ©Tristan Bantock
|Adult female: West London (April 2010) ©Sarah Barnes
||Adult: Surrey (September 2011) ©Tristan Bantock|
|Adult: north London (September 2010) ©Tristan Bantock
||Adult showing dark mesonotum: ©Tristan Bantock|