Delfinoia a new South American aphid genus (Hemiptera Aphididae Macrosiphini) on Cayaponia (Cucurbitaceae)

摘要

The genus Delfinoia Nieto Nafría & Mier Durante >gen. n. is established, and Utamphorophora peruviana (Essig), originally Amphorophora peruviana and currently Delfinoia peruviana >comb. n., is designated species type of the genus. The synonymy between this species and Wahlgreniella australis Delfino >syn. n. is established. Apterous and alate viviparous females of D. peruviana are redescribed; the male is also described. The species is currently known from Peru and Argentina; a plant of the genus Cayaponia (Cucurbitaceae) is the only identified host.