Brachycaudus tragopogonis (Kaltenbach, 1843)
goatsbeard aphid
on Scorzonera, Tragopogon
Tragopogon porrifolus, UK © Bob Dransfield & Bob Brightwell, InfluentialPoints
gall
aphids on the above-ground parts. They are 1-2 mm long, shining grey-brown to dark brown.
host plants
Asteraceae, monophagous
Scorzonera angustifolia, hispanica; Tragopogon crocifolius, dubius, porrifolius, pratensis & subsp. orientalis.
Citations of Prunus probably refer to B. prunicola.
synonyms
Aphis, Appelia, Brachycaudus, prunicola tragopogonis.
notes
In the south-eastern part of the distributional area the subspecies Brachycaudus t. setosus Hille Ris Lamber, 1948 has been described, listed from Tragopogon porrifolius subsp. longirostris, pratensis subsp. orientalis.
references
Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Basky (2015a), Blackman & Eastop (2014), Börner & Franz (1956a), Buhr (1965a), Cocuzza, Cavalieri, Jousselin ao (2007a), Dauphin & Aniotsbehere (1997a), Heie (1992a), Houard (1909a), Lampel & Meier (2007a), Mier Durante, Seco Fernández & Nieto Nafría (1989a), Müller (1986a)m Pérez Hidalgo, Martínez Peláez & Nieto Nafría (2001a), Petrović (1998a), Stekolshchikov, Buga & Leshchinskaya (2008a), Stekolshchikov, Gavrilyuk & Novgorodova (2008a), Suay Cano & González Funes (1998b), Weis (1955), Wojciechowski, Depa, Halgoš ao (2016a).