Uroleucon jaceicola (Hille Ris Lambers, 1939)
yellow-legged knapweed aphid
on Centaurea, Cyanus
Centaurea nigra, UK © Bob Dransfield & Bob Brightwell, InfluentialPoints
parasite
Apterae ± 3 mm; on the stems, early in the season low, in summer high on the plants. Contrary to U. jaceae, with black cauda, in this species the cauda is yellow.
host plants
Asteraceae, narrowly oligophagous
Centaurea jacea, nigra, scabiosa, stoebe; Cyanus triumfettii.
synonyms
Uroleucon jaceicola pasqualei (Hille Ris Lambers & Stroyan, 1959).
references
Blackman & Eastop (2018), Heie (1995a). Mier Durante, Remaudiére & Nieto Nafría (1988a), Petrović (1998a), Wojciechowski, Depa, Halgoš ao (2016a).