Therioaphis riehmi (Börner, 1949)
sweetclover aphid
on Melilotus
parasite
sweetclover aphid
on Melilotus
parasite
All adult viviparae are winged. They are yellowish with dark brown dorsal spots, 2-3 mm in size, living at the underside of the leaves, at the lower parts of the plant.
host plants
Fabaceae, almost monophagous
Melilotus albus, indicus, italicus, officinalis, wolgicus.
M. albus is the most important host plant by far. There also exist records from Medicago, Trigonella anguina, foenum-graeucum, and Trifolium.
synonyms
Myzocallidium riehmi.
references
Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Barbagallo & Pollini (2014a), Blackman & Eastop (2017), Börner & Franz (1956a), Heie (1982a), Laamari, Coeur d’Acier & Jousselin (2013a), Lampel & Meier (2003a), Mier Durante & Nieto Nafría (1997a), Müller & Horatschek (1980a), Nieto Nafría & Mier Durante (1998a), Pérez Hidalgo, Martínez Peláez & Nieto Nafría (2001a), Petrović (1998a), Stekolshchikov, Leshchinskaya, Buga & Voronova (2010a), Stroyan (1977a), Suay Cano & González Funes (1998c), Wieczorek & Kanturski (2011a), Wojciechowski, Depa, Halgoš ao (2016a).