Subgenus Rhoenanthus (Potamanthindus) Lestage, 1930

Potamanthindus Lestage, 1931: 123 . New status defined by Bae & McCafferty 1991: 21; previously synonymized with Potamanthodes Ulmer, 1920 by Tshernova 1985: 15.

Rhoenanthopsis Ulmer, 1932: 212 . Synonymized by Bae & McCafferty 1991: 21.

Neopotamanthodes Hsu, 1938: 221 . Synonymized by Bae & McCafferty 1991: 21. Previously synonymized with Potamanthodes by Tshernova 1985: 15.

Neopotamanthus Wu & You, 1986: 401 . Synonymized by Bae & McCafferty 1991: 21.

Rhoenanthus (Potamanthindus) Bae & McCafferty 1991: 21; Nguyen & Bae 2006: 21.

Distribution: China, Korea, Russia, Thailand, Vietnam.

Species included: R. magnificus Ulmer, 1920; R. obscurus Navás, 1922; R. coreanus (Yoon & Bae, 1985); R. youi (Wu & You, 1986); R. hunanensis (You & Gui, 1995) (new status); R. sapa Nguyen & Bae, 2004 .

Diagnostic characters: In nymph, long mandibular tusk with various spines on surface but without fork or large subapical spine; relatively long and setaceous fore-tibiae and mouthparts. In adults: MP 2 originating at base of MP 1 of forewings; slender and basal fused penes.