Triochochermes rhamnisugus (Li, 1994) Cho & Burckhardt & Lee, 2022

Cho, Geonho, Burckhardt, Daniel & Lee, Seunghwan, 2022, Check list of jumping plant-lice (Hemiptera: Psylloidea) of the Korean Peninsula, Zootaxa 5177 (1), pp. 1-91 : 74

Triochochermes rhamnisugus (Li, 1994) , comb. nov.

( Figs. 185–186 )

Trioza rhamnisuga Li in Li & Sun, 1994: 526.

Triozopsis rhamnisuga ; Li (2005: 203).

Trioza naria Kwon, Suh, An & Huh, 1996c: 468 , syn. nov.

Material examined. South Korea: 3 ♀, 8 immatures, CB, Danyang-gun , Maepo-eup , Gapyeong-ri, San 58-1, 37°03'21.65"N 128°16'32.01"E, 300 m, 13.vi.2018, Rhamnus ussuriensis (G. Cho) , ( SNU, in 95% ethanol) ; 1 ♂, 1 ♀, 4 immatures, GG, Yangpyeong-gun , Cheongun-myeon, Sillon-ri 630, 37°34'14.77"N 127°47'33.73"E, 300 m, 23.vi.2018, R. ussuriensis (G. Cho) , ( SNU, in 95% ehtanol) .

Distribution in Korea. CB, GB, GG, GN ( Kwon et al. 1996 c, 2016, as T. naria ; Kwon & Kwon 2020, as T. naria ) (SNU).

Host plant. Rhamnus ussuriensis J.J. Vassil. (Rhamnaceae) .

Comments. Trioza rhamnisuga was described from China based on females collected on Rhamnus davurica ( Li & Sun 1994) . Trioza naria was described from a single male from Korea ( Kwon et al. 1996c). A series of adults and immatures which we recently collected on R. ussuriensis fit both T. rhamnisuga and T. naria . We formally synonymise the two species names here and move the species to Trichochermes as Trichochermes rhamnisugus (Li in Li & Sun, 1994), comb. nov.

Figures

FIGURES 182‒189. Habitus.182. Trioza nigra, fifth instar immature.183. Trioza quercicola, adult male.184. Trioza quercicola, adult female. 185. Trichochermes rhamnisugus, adult female. 186. Trichochermes rhamnisugus, fifth instar immature. 187. Heterotrioza stackelbergi, adult male. 188. Heterotrioza stackelbergi, adult female. 189. Enclosed gall of Heterotrioza stackelbergi. (Photos 183–184, 187–189 from Cho et al. (2017a))