Reevaluation of the Genus Hyalomyzus Richards with the Description of Two New Species (Homoptera: Aphididae)

Alatae and apterae of the genus Hyalomyzus , including 2 new species, Hyalomyzus orphnophlebos n. sp. and Hyalomyzus pocosinus n. sp., are described, illustrated, and keys are provided for identification. Hyalomyzus tissoti Nielsson & Habeck is considered a synonym of Hyalomyzus jussiaeae Smith. Cladistic analysis of 17 taxa using 25 morphological characters is discussed.