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Pachypappa tremulae (Linnaeus, 1761) Fig. 19E Diagnosis Apterae 1–2 mm. Resembling P. populi. Cells in abdominal wax gland plates with a larger central spot (as in Fig. 19B). Segments 1 and 2 of all tarsi distinctly separated from each other. Spines at apices of tibiae very robust, much stronger than hairs on first tarsal segment. Dorsal hairs on hind tibia with fairly short and blunt apices. Life cycle as in the previous species. Anholocyclic hibernation on roots of spruce Picea is common. Distribution D F N S. See also Carter & Danielsson (1991).
Published as part of Albrecht, Anders Christian, 2015, Identification guide to Nordic aphids associated with mosses, horsetails and ferns (Bryophyta, Equisetophyta, Polypodiophyta) (Insecta, Hemiptera, Aphidoidea), pp. 1-55 in European Journal of Taxonomy 145 on page 27, DOI: 10.5852/ejt.2015.145, http://zenodo.org/record/3787410
Hemiptera, Insecta, Arthropoda, Aphidomorpha, Aphididae, Animalia, Pachypappa tremulae, Biodiversity, Pachypappa, Taxonomy
Hemiptera, Insecta, Arthropoda, Aphidomorpha, Aphididae, Animalia, Pachypappa tremulae, Biodiversity, Pachypappa, Taxonomy
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