Trionymus, Berg, 1899

Tanaka, Hirotaka, 2018, Trionymus okiensis sp. nov., a new species of mealybug from Japan (Hemiptera: Coccomorpha: Pseudococcidae), Acta Entomologica Musei Nationalis Pragae 58 (1), pp. 31-34: 34

publication ID 10.2478/aemnp-2018-0006

publication LSID


persistent identifier

treatment provided by


scientific name



Key to the Japanese species of Trionymus   (adapted and modified from DANZIG & GAVRILOV- ZIMIN 2015)

1 Head with one pair of cerarii; dorsal oral-collar tubular ducts of two different sizes. ......... T. okiensis   sp. nov.

‒ Head without cerarii; oral-collar tubular ducts absent from dorsum. ............... T. kobotokensis Kanda, 1959