Tetraneura ulmi (Linnaeus, 1758)

Albrecht, Anders Christian, 2015, Identification guide to Nordic aphids associated with mosses, horsetails and ferns (Bryophyta, Equisetophyta, Polypodiophyta) (Insecta, Hemiptera, Aphidoidea), European Journal of Taxonomy 145, pp. 1-55 : 20-21

Tetraneura ulmi (Linnaeus, 1758)

Fig. 16

Diagnosis

Apterae 1.5–3 mm, pink, orange or purple, with a thin iridescent wax layer that is easily worn off. Siphuncular pores elevated on low cones. Dioecious. Alternating between elm Ulmus (Ulmaceae) and

grass roots ( Poaceae ). Anholocyclic populations on secondary hosts common all year, and particularly juveniles are often seen in moss samples. Often in association with ants.

Distribution

D F N S.