Therioaphis riehmi (Börner, 1949)

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).