Pemphigus spyrothecae
Description
Pemphigus spyrothecae is an aphid that causes galls to form in the leaf petioles of its host trees. The galls are seen more often than the aphid.
Identification difficulty
Adult 
Gall 
Habitat
Anywhere that poplar trees are present.
When to see it
Galls from June to late autumn.
Life History
It is an aphid that lives in colonies and soldier aphids tend to be located near to the opening of the gall to defend it from predators.
UK Status
Widespread and thought to be fairly frequent in England.
VC55 Status
Status in Leicestershire and Rutland not known.
Graham Calow
Sapcote
14 September 2012
on Lombardy Poplar
Graham Calow
Sapcote
14 September 2012
on Lombardy Poplar
Graham Calow
Claybrooke Magna
05 June 2016
Alan Semper
Harby, Langar La
02 September 2012
Spiral gall on Poplar
Alan Semper
Harby, Langar La
02 September 2012
Spiral gall on Poplar
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UK Map
Graham Calow
Claybrooke Magna
05 June 2016
