5 articles
Black bean aphid
Black bean aphid (Aphis fabae), a dark purplish-black aphid pest of faba bean, common bean, and sugar beet; host-alternates via Euonymus europaeus, vectors BCMV, BCMNV, CMV, and beet viruses, causing bean yield losses up to 90% in East Africa.
Phylloxera
Phylloxera (Daktulosphaira vitifoliae, formerly Phylloxera vastatrix) is a North American root-feeding aphid-like insect that reached France in the 1860s, destroyed about 40% of French vines, and is controlled by grafting Vitis vinifera onto resistant American rootstocks.
Russian wheat aphid
Russian wheat aphid (Diuraphis noxia), a global phytotoxic aphid pest of wheat and barley from Central Asia; spreads via parthenogenesis, causes chlorotic streaking and up to 95% yield loss, and does not transmit viruses.
Soybean aphid
Soybean aphid (Aphis glycines), an Asian aphid invasive in North America since 2000, is the primary soybean pest there; it overwinters on buckthorn and is managed with a 250-aphids-per-plant economic threshold and Rag-gene resistance.
Witch-hazel cone gall aphid
Witch-hazel cone gall aphid (Hormaphis hamamelidis, also called Hormaphis cornu), a North American aphid making scarlet cone-shaped galls on witch-hazel leaves, alternating with birch where it lives as a scale-like, gall-free form; galls are usually cosmetic.