Euconnus (Euconnus) sayaka Hoshina

Jałoszyński, Paweł, 2022, Euconnus Thomson of Japan: redescriptions of species established by Reitter, Sharp and Franz, new synonyms, and summary of current state of knowledge (Coleoptera, Staphylinidae, Scydmaeninae), Zootaxa 5093 (1), pp. 1-37 : 27-28

Euconnus (Euconnus) sayaka Hoshina

Euconnus sayaka Hoshina, 2019a: 54 .

Euconnus (Euconnus) sayaka Hoshina ; here placed in Euconnus s. str.

Remarks. This species is known to occur on Shikoku, and it is also a member of the E. fustiger group. The type series included only one male, and the body length of this species, ranging from 1.60 to 1.79 mm, is slightly larger than that of E. fustiger , but similar to that of E. raucus .

Hoshina (2019a) stated that E. sayaka is similar to E. kojiroi , but differs in “the median lobe of the aedeagus distinctly concave at apical margin in ventral view. In contrast, E. kojiroi has the median lobe weakly curved inwardly at apical margin in ventral view”. In fact, due to a strong distortion (the aedeagus illustrated for E. sayaka has a fully everted endophallus and strongly distorted median lobe) it is not possible to make any reasonable comparisons, nor to decide whether this species is or is not identical to E. kojiroi , or any other middle-sized Euconnus belonging in the fustiger group. Status of E. sayaka remains unclear.

Hoshina (2019a) did not place this species in any subgenus. As all other members of E. fustiger group, E. sayaka belongs in Euconnus s. str.