Nasonovia ribisnigri

Nasonovia ribisnigri is a species of aphid. Their primary hosts are currant plants, including blackcurrants (Ribes nigrum) and gooseberries (Ribes uva-crispa), while the secondary hosts are a wider range of plants, including members of the Compositae (Hieracium, Lapsana, Crepis, Leontodon, Lactuca and Cichorium), Lamiales (Veronica and Euphrasia) and Solanaceae (Nicotiana and Petunia).^[1] They are an important agricultural pest in lettuce and endive cultivation.^[2]

Nasonovia ribisnigri
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hemiptera
Suborder:	Sternorrhyncha
Family:	Aphididae
Genus:	Nasonovia
Species:	N. ribisnigri
Binomial name
Nasonovia ribisnigri (Mosley, 1841)
Synonyms[1]
Aphis ribisnigri Mosley, 1841 Aphis ribicola Kaltenbach, 1843

Males grow to a length of 2.5 millimetres (0.098 in), while viviparous females are 1.7–3.2 mm (0.067–0.126 in) long, but oviparous female only reach 1.6–1.7 mm (0.063–0.067 in).^[1]