Norwegian Journal of Entomology (2014) 61, 186-189

T. Magnussen and L.O. Hansen (2014)
Panaphis juglandis (Goeze, 1778) and Chromaphis juglandicola (Kaltenbach, 1843) (Hemiptera, Aphididae) in Norway – two aphid species associated with common walnut (Juglans regia L.)
Norwegian Journal of Entomology 61 (2), 186-189
Abstract: The two aphid species Panaphis juglandis (Goeze, 1778) and Chromaphis juglandicola (Kaltenbach, 1843) were recorded on leaves of common walnut (Juglans regia L.) in June and July 2014 in the Botanical garden at Tøyen, Oslo. Both species are solely associated with the common walnut, on which they may cause damages both on leaves and fruits. The two species are hitherto not reported from Norway. Biology and distribution are briefly commented on.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)

Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Chromaphis juglandicola	Walnut/butternut (Juglans)	Norway
	Panaphis juglandis	Walnut/butternut (Juglans)	Norway