Japanolaccophilus Satô, 1972

Balke, Michael & Hendrich, Lars, 2019, † Japanolaccophilus beatificus sp. n. from Baltic amber and a key to the Laccophilinae genera of the World (Coleoptera: Laccophilinae), Zootaxa 4567 (1), pp. 176-182 : 176-177

Genus Japanolaccophilus Satô, 1972

Type species: Neptosternus niponensis Kamiya, 1939: 32 .

Diagnosis. Moderately large species of Laccophilinae (total length 3.0– 3.2 mm), with the suture between elytron and epipleuron visible dorsally ( Figs 3A, D ); hind angles of pronotum rounded ( Fig. 1 ); base of pronotum straight or almost so; prosternal process deltoid, not extending beyond mesocoxae and with single posterior tip in middle, not trifid (e.g. with three needle-like tips, like Neptune's fork) ( Figs 4 , 3C, F ).

Figures

FIGURE 1. †Japanolaccophilus beatificus sp. n., dorsal view. Total length of beetle 3.0 mm.

FIGURE 3. †Japanolaccophilus beatificus sp. n., (A) posterior portion of right elytron, hind femur and tarsus, (B) hind tarsus with light from different angle, (C) prosternum and midsection of body, (D) posterior portion of right elytron, (E) focus on last visible ventrite, (F) overview of ventral side, (G) focus on fore and middle legs as well as on metafemur.

FIGURE 4. Japanolaccophilus niponensis, ventral side. Specimen from Nishitosa Village, Kochi Prefecture, Shikoku Island, Japan. Total length of beetle 3.1 mm.