Archaeoboreaphilus Zerche, 1990

Kim, Tae-Kyu & Ahn, Kee-Jeong, 2012, Descriptions of two new species and a key to the species of Archaeoboreaphilus Zerche (Coleoptera: Staphylinidae: Omaliinae), Journal of Natural History (J. Nat. Hist.) 46 (41 - 42), pp. 2509-2517 : 2509-2511

Genus Archaeoboreaphilus Zerche, 1990

Archaeoboreaphilus Zerche, 1990: 158 (type species: Boreaphilus nikkoensis Sawada, 1964 ); Herman, 2001: 381; Smetana, 2004: 252.

Key to the species of Archaeoboreaphilus

(modified from Watanabe 1990: 358 and Zerche 1990: 162)

1. Elytra unicolour....................................................... 2 Elytra bicolour with red oval marking ( Figure 1A )......................................................................... A. rubromaculatus sp. nov.

2. Each antennomere much longer than wide, antennomeres 8–10 more than 1.5 times as long as wide; appendages brownish black.................... 3 Each antennomere little longer than wide, antennomeres 8–10 less than 1.5 times as long as wide; appendages yellowish brown................... 4

3. Post-lateral margin of pronotum clearly emarginate ( Figure 2E ); stiff and obtuse macro setae present on depressed posterior area of male sternite VII ( Figure 3D )...................................... A. macrothorax sp. nov. Post-lateral margin of pronotum almost straight; macro setae absent on male sternite VII...................................... A. yasutoshii (Watanabe)

4. Head suborbicular, temple arcuate; basal bulb of aedeagus oval........... 5 Head subquadrate, temple broadly angulated; basal bulb of aedeagus globular............................................................... 6

5. Elytra less than twice as long as pronotum; median lobe asymmetrical, paramere longer than median lobe (figs 22, 23 in Watanabe 1988).............................................................. A. nikkoensis (Sawada) Elytra twice as long as pronotum; median lobe symmetrical, paramere almost as long as median lobe (figs 19–21 in Watanabe 1988).................................................................... A. iwakisanensis (Watanabe)

6. Frontal area smooth; eye longer than temple............................. 7 Frontal area finely coriaceous; eye as long as temple.. A. fuscus (Watanabe)

7. Pronotum almost as wide as long, covered with coarse punctures; apex of median lobe somewhat acute, weakly curved dorsally (figs 10–12 in Watanabe 1988)........................................... A. miyamorii (Watanabe) Pronotum wider than long, covered with fine punctures; apex of median lobe less acute, strongly upturned (figs 13–15 in Watanabe 1988)..................................................................... A. tateoi (Watanabe)

Figures

Figure 1. Habitus. (A) Archaeoboreaphilus rubromaculatus sp. nov., length 3.6 mm; (B) Archaeoboreaphilus macrothorax sp. nov, length 3.8 mm.

Figure 2. (A–C) Archaeoboreaphilus rubromaculatus sp. nov.; (D–F) Archaeoboreaphilus macrothorax sp. nov. (A, D) antenna; (B, E) pronotum, dorsal aspect; (C, F) elytron, dorsal aspect. Scale bars 0.3 mm.

Figure 3. (A–C) Archaeoboreaphilus rubromaculatus sp. nov.; (D–G) Archaeoboreaphilus macrothorax sp. nov. (A, E) male tergite VIII, dorsal aspect; (B, F) male sternite VIII, ventral aspect; (C, G) male sternite IX, ventral aspect. (D) male sternite VII, ventral aspect. Scale bars 0.3 mm.