Brachycaudus lychnidis (Linnaeus, 1758)
campion aphid
on Silene
Silene dioica, UK © Bob Dransfield & Bob Brightwell, InfluentialPoints

Silene latifolia, Amsterdam, Diemerpark: B. lychnidis or klugkisti
gall
slight malformation of the leaves. Aphids on stens, leaves and flowers. Apterae 2-3 mm, with a very short, rounded cauda; they are reddish-brown with a shining black dorsal shield. The difference with klugkisti is discussed on InfluentialPoints.
hostplants
Caryophyllaceae, ? monophagous
Silene alba, baccifera, borysthenica, coronaria, dioica, italica, latifolia, uniflora, viscaria, vulgaris.
Reported by Wojciechowski ao also from Stellaria nemorum.
references
Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Barbagallo & Pollini (2014a), Basky (2015a), Blackman & Eastop (2014), Börner & Franz (1956a), Buga & Stekolshchikov (2012a), Buhr (1964b, 1965a), Danielsson (1974a), Durak, Durak & Borowiak-Sobkowiak (0000a), Heie (1992a), Hellrigl (2004a), Lampel (1988a), Lampel & Meier (2007a), Mier Durante & Nieto Nafría (1983a), Novgorodova & Stekolshchikov (2013a), Osiadacz & Wojciechowski (2008a), Petrović (1998a), Piron (2021c), Roskam (2009a), Seco & Mier (1986a), Tambs-Lyche (1970a), Weis (1955a), Wojciechowski, Depa, Halgoš ao (2016a).