Geodromicus lestevoides (Sharp, 1889)

Shаvrin, Аlexey V., 2018, The lestevoides species group of the genus Geodromicus Redtenbacher, 1857 (Insecta: Coleoptera: Staphylinidae: Omaliinae), Zootaxa 4378 (2), pp. 151-190 : 154-155

Key to lestevoides group

1 Elytra distinctly broader than long........................................................................ 2

- Elytra longer than wide or as broad as long................................................................ 4

2 Eyes three times longer than temples. Pronotum slightly (about 1/10) broader than long, without or with very vague longitudinal depression. Body dark brown to brown; legs yellow-brown to reddish-brown. Aedeagus as in Figs. 64–68 . 4.90–7.35 mm. SE China....................................................................... G. smetanai Shavrin , sp.n.

- Eyes about twice longer than temples. Pronotum 1/8–1/9 broader than long, with distinct longitudinal depression. Body reddish-brown to brown, legs yellow to brown, apical part of femora sometimes brown to black...................... 3

3 Pronotum about 1/7 broader than head, less convex. Body smaller: 3.77–6.05 mm. Aedeagus with narrow median lobe, parameres evidently flattened and broadened distally ( Figs. 70–74 ). Apical margin of male abdominal sternite VIII with small wide emargination. Body reddish brown to brown. C & SW China.................. G. szechwanensis Bernhauer, 1943

- Pronotum 1/6–1/8 broader than head, very convex. Body larger: 7.00–8.00 mm. Aedeagus with wide median lobe and thin parameres cylindrical in their cross-section ( Zerche 2003: Fig. 11 ; Kim & al. 2008: Fig. 14–15 ). Apical margin of male abdominal sternite VIII with very deep emargination ( Kim & al. 2008: Fig. 12 ). Body brown. Russian Far East, NE China, S Korea............................................................................. G. abdominalis Zerche, 2003

4 Body with metallic bluish or greenish reflection............................................................. 5

- Body without metallic reflection......................................................................... 6

5 Eyes three times longer than temples. Pronotum widest in anterior third. Median lobe of aedeagus wider, apical narrowing more abrupt, parameres narrower and weakly curved apically ( Rougemont & Schillhammer 2010: Figs. 2 – 4 ). 5.20 mm. SE China..................................................... G. cupreostigma Rougemont & Schillhammer, 2010

- Eyes less than twice longer than temples. Pronotum widest in the middle. Median lobe of aedeagus narrower, abruptly tapered from apical third towards apex, parameres wider and strongly curved apically ( Shavrin 2013: Figs. 3 – 5 ). 4.90 – 5.60 mm. SE China............................................................................ G. lucidus Shavrin, 2013

6 Puncturation greater and coarser......................................................................... 7

- Puncturation somewhat finer and more regular............................................................. 9

7 Elytra about 1/8 broader than long. Femora yellowish-brown. Aedeagus as in Figs. 38–40 . 6.20–6.80 mm. N Japan.................................................................................... G. miyamorii ( Watanabe, 1990)

- Elytra about as broad as long. Femora reddish brown to black................................................. 8

8 Pronotum 1/3–1/8 broader than long and 1/3–1/9 broader than head. Lateral sides of apical emargination of male abdominal sternite VIII with or without slight sinuation ( Figs. 6–7 ). Median lobe of the aedeagus as in Figs. 10, 12– 21 . 4.20–6.40 mm. E Russia, NE China, Korea....................................................... G. beibienkoi Tichomirova, 1973

- Pronotum 1/7–1/9 broader than long and 1/6–1/7 broader than head. Lateral sides of apical emargination of male abdominal sternite VIII with a pronounced projection each ( Fig. 8 ). Median lobe of the aedeagus as in Figs. 4– 5 . 5.00– 6.50 mm.? Korea, N and C Japan.................................................................. G. caliginosus ( Sharp, 1889)

9 Pronotum more transverse, 1/3–1/5 broader than long....................................................... 10

- Pronotum narrower, 1/7–1/10 broader than long............................................................ 11

10 Legs yellow to brown, apical part of femora and tibiae contrastly paler, yellow to yellow-brown. Aedeagus as in Figs. 55–63 . 3.80–5.65 mm. E Russia, Korea, NE China.......................................... G. sibiricus Bernhauer, 1915

- Legs reddish-brown to black, sometimes apical part of femora and tibiae paler. Aedeagus as in Figs. 41–43 . 4.70–6.35 mm. Russian Far East (Kunashir), N Japan............................................... G. iburinus ( Watanabe, 1990)

11 Pronotum with distinct longitudinal impression. Body red-brown; femora yellowish-brown. Aedeagus as in Fig. 2– 3 . 4.00 – 4.20 mm. S Japan............................................................ G. amamianus ( Watanabe, 1990)

- Pronotum without or with very indistinct longitudinal impression. Body yellow-brown to black; femora yellowish-brown to black or bicolour..................................................................................... 12

12 Elytra about twice as long as pronotum.................................................................. 13

- Elytra 1/3–1/6 as long as pronotum...................................................................... 15

13 Legs yellowish-brown to brown. Aedeagus as in Figs. 30–31, 33– 34 . 4.50–4.90 mm. Mongolia......................................................................................................... G. frigidus Smetana, 1968

- Legs with bicolour femora and tibiae..................................................................... 14

14 Puncturation of median portion of pronotum markedly irregular, distinctly coarser and denser. Legs yellow-brown, apical parts of femora and tibiae brown. Aedeagus as in Figs. 26 – 27 . 4.85–5.10 mm. Body dark brown. SE China................................................................................................. G. chinensis Bernhauer, 1938

- Puncturation of median portion of pronotum more or less regular, moderately smaller and sparser. Legs reddish-brown to black, sometimes apical part of femora and tibiae paler. Aedeagus as in Figs. 47–51 . 3.50–5.90 mm. Russian Far East, N and C Japan..................................................................... G. nipponensis ( Watanabe, 1990)

15 Elytra not broader than long, nearly as broad as long. Body black, each elytron with oblique red macula near middle. Aedeagus as in Figs. 35– 37 . 4.00 – 5.10 mm. South Korea, central Japan.......................... G. hammondi ( Watanabe, 1990)

- Elytra 1/9–1/10 broader than long....................................................................... 16

16 Body black, elytra without maculae. Median lobe of the aedeagus as in Figs. 28 . Body larger: 5.90–6.30 mm. N and C Japan............................................................................. G. japonicus ( Watanabe, 1990)

- Body yellowish-brown to dark brown, each elytron with wide yellow to reddish-brown macula extending from humeral angles to apical margin of elytra. Median lobe of the aedeagus as in Figs. 52 . Body smaller: 2.90–4.70 mm. Russian Far East, NW China, Korea, N and C Japan..................................................... G. lestevoides ( Sharp, 1889)

Figures

FIGURES 64–68. Aedeagus of Geodromicus smetanai sp.n. (64–65, 68: CHINA, Sichuan, Gongga Shan, 66: Sichuan, Shalui Shan, 67: Sichuan, Daxue Shan): 64, 66–67—dorsal view, 65—lateral view, 68—apical portion (dorsal view) of aedeagus. Scale bar 0.1 mm.

FIGURES 70–74. Aedeagus of G. szechwanensis Bernhauer, 1943 (70–71, 74: Sichuan, Daxue Shan, 72: Shaanxi, Qinling Shan, 73: Hubei, Daba Shan): 70, 72–73–dorsal view, 71–lateral view, 74–apical portion (dorsal view) of aedeagus. Scale bar 0.1 mm.

FIGURES 10–21. Aedeagus of Geodromicus beibienkoi Tichomirova, 1973 (10–11–RUSSIA: Maritime Province: Lazovskiy Nature Reserve, 12:Buryatia, Baikalskiy Mts., KurkulaRiver, 13–14: Buryatia,Baikalskiy Mts., Gol`tsovyi stream, 15: Irkutsk Area, Kunerma, 16: Irkutsk Area, Slyudyanka, 17: Chita Area, Sokhondinskiy Nature Reserve, 18: Maritime Province: Lazovskiy Nature Reserve, 19: Khabarovsk Province, Bureinskiy Nature Reserve, 20: Maritime Province, Kamenushka, 21: CHINA:Jilin, Baihe):10, 12–21—dorsal view, 11—lateral view. Scale bar 0.1 mm.

FIGURES2–5. Aedeagus of Geodromicus amamianus(Watanabe,1990) (2–3:holotype) and G. caliginosus (Sharp, 1889) (4– 5: holotype):2, 4—dorsal view, 3, 5—lateral view. Scale bar 0.1mm.

FIGURES 35–40. Aedeagus of Geodromicus hammondi (Watanabe, 1990) (35–36: paratype, 37: holotype) and G. miyamorii (Watanabe, 1990) (38:holotype, 39–40:paratype):35, 37–39—dorsal view, 36, 40—lateral view. Scale bar 0.1 mm.

FIGURES 6–9. Male abdominal sternites VIII (dorsal view) of Geodromicus: 6–7—G. beibienkoi Tichomirova, 1973, 8—G. caliginosus(Sharp, 1889), 9—G. smetanai sp.n. Scale bar 0.1 mm.

FIGURES 55–63. Aedeagus of Geodromicus sibiricus Bernhauer, 1915 (55–56: RUSSIA: Buryatia, Ulan-Udunga, 57: holotypeof G.sibiricus Bernhauer, 1915,58: AmurArea, Selemdzhinsk, 59:Khabarovsk Territory,Bureinskiy Nature Reserve, 60–61: Maritime Province, Lazovskiy Nature Reserve, 62–63: NORTH KOREA: North Hamgyong, Toksong): 55, 57–63— dorsal view, 56—lateral view.Scale bar 0.1 mm.

FIGURES 41–43. Aedeagus of Geodromicus iburinus (Watanabe, 1990) (41–42: holotype, 43: RUSSIA:Kunashir): 41, 43— dorsal view, 42—lateral view.Scale bar 0.1 mm.

FIGURES30–34.Aedeagus of Geodromicusfrigidus Smetana, 1968(30–31:holotype,33–34:paratype)and G. sp.pr.frigidus Smetana, 1968 (32: CHINA:Jilin, Baihe):30, 32–33—dorsal view, 31, 34—lateral view.Scale bar 0.1 mm.

FIGURES 26–29. Aedeagus of Geodromicus chinensis Bernhauer, 1938 (26–27: paralectotype) and G. japonicus (Watanabe, 1990) (28–29:holotype): 26, 28—dorsal view,27, 29—lateral view.Scale bar 0.1mm.

FIGURES 47–51. Aedeagus of Geodromicus nipponensis (Watanabe, 1990) (47–48: holotype of P. pusillus Watanabe, 1990, 49: holotype of P. nipponensis Watanabe, 1990, 50: JAPAN: Kamikochi, 51: RUSSIA: Urup): 47, 49–51—dorsal view, 48— lateral view. Scale bar 0.1 mm.

FIGURES 52–53. Aedeagus of Geodromicus lestevoides (Sharp, 1889) (Maritime Province, Lazo): 52—dorsal view, 53— lateral view. Scale bar 0.1 mm.