Length: Male 3.6-4.3mm, Female 4.1-5mm;
Wing Length: Male 2.9-3.5mm, Female 3.3-3.8mm

Egg	Nymph	Adult
(Winter)	June - August	July - September (Earliest: 20.10)

Biotopes:	Wet Forest
Food: (Oligophagous)	Betula Sap

Plant Parasites of Europe: Psylla betulae

Pictures © 2003, 2007 J.K. Lindsey

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