Identification guide to Nordic aphids associated with mosses, horsetails and ferns (Bryophyta, Equisetophyta, Polypodiophyta) (Insecta, Hemiptera, Aphidoidea) Albrecht, Anders Christian European Journal of Taxonomy 2015 2015-10-21 145 1 55 (Buckton, 1876) Buckton 1876 [588,1075,370,397] Insecta Aphididae Neomyzus Animalia Aphidomorpha 36 37 Arthropoda species circumflexus   Fig. 29    Diagnosis Diagnosis based on Heie (2004). Rather similar to  Aulacorthum solani. Whitish, yellow or green; abdomen with brown or black markings, usually including a horseshoe-shaped patch. Monoecious, polyphagous, apparently anholocyclic (sexuales not recorded).    Recorded Pteridophyta hosts  Equisetaceae:  Equisetum arvense*; Aspleniaceae:  Aspleniumsp.; Dryopteridaceae:  Cyrtomium falcatum,  Polystichum lonchitis; Nephrolepidaceae:  Nephrolepissp.; Onocleaceae:  Matteuccia struthiopteris; Polypodiaceae:  Polypodium vulgare; Pteridaceae:  Adiantumsp.*; Salviniaceae:  Salvinia auriculatia.    Distribution D F N S, in Northern Europe mainly indoors.