Chionea

Zhang, Xiao, Wang, Junchao & Yang, Ding, 2012, Chionea Dalman newly recorded from China with descriptions of two new species (Diptera, Limoniidae), Zootaxa 3316, pp. 1-14 : 3

Key to species (males) of Chionea from Eastpalaearctic

1 Antenna with 11 segments; sclerotized lobe of gonostylus truncated apically ( Vanin 2008, 2010)............................................................................................ C. (C.) kanenoi Sasakawa, 1986 ( Japan)

- Antenna with less than 11 segments; sclerotized lobe of gonostylus bidentate...................................... 2

2 Tibiae enlarged and bulgy rounded at tarsal articulations...................................................... 3

- Tibiae not bulgy rounded at tarsal articulation............................................................... 4

3 Posterior margin of tergite 9 concave medially ( Fig. 27 ); paramere apically acute and curved downward ( Figs. 26 , 30 )............................................................................... C. (C.) sphaerae sp. nov. ( China)

- Posterior margin of tergite 9 linear; paramere apically rounded and internally folded ( Vanin 2008)....................................................................................... C. (C.) mirabilis Vanin, 2008 ( South Korea)

4 Aedeagus large, projecting beyond paramere............................................................... 5

- Aedeagus small, not projecting beyond paramere............................................................ 8

5 Antenna with 9–10 segments ( Alexander 1932)...................... C. (C.) nipponica Alexander, 1932 ( Russia; Japan)

- Antenna with 5–7 segments............................................................. C. (C.) crassipes ... 6

6 Claspette of aedeagal complex with one long hair and few fine, short hairs ( Narchuk 1998)................................................................................... C. (C.) crassipes magadanensis Narchuk, 1998 ( Russia)

- Claspette of aedeagal complex only with few fine, short hairs,without long hair.................................. 7

7 Inner tooth of sclerotized lobe of gonostylus shorter than outer tooth ( Fig. 9 ); paramere with tip wide and blunt ( Fig. 7 , 11 ).......................... C. (C.) crassipes gracilistyla Alexander, 1936 ( Russia; North Korea; South Korea; Japan; China)

- Inner tooth of sclerotized lobe of gonostylus as long as outer tooth; paramere with tip strongly narrowed ( Narchuk 1998)......................................... C. (C.) crassipes crassipes Boheman, 1846 ( Finland; Norway; Sweden; Russia)

8 Inner tooth of sclerotized lobe of gonostylus shorter than outer tooth ( Fig. 17 ); paramere and claspette with tips rounded; aedeagus with two goblet-shaped lobes at base ( Figs. 15 , 19 )................. C. (C.) pusilla Savchenko ( Russia; China)

- Inner tooth of sclerotized lobe of gonostylus as long as outer tooth ( Fig. 36 ); paramere and claspette with tips relatively acute; aedeagus with a rounded lobe covering it ( Figs. 34 , 38 )......................... C. (C.) tianhuashana sp. nov. ( China)

Figures

FIGURES 27 – 30. Chionea (Chionea) sphaerae sp. nov. 27: Genitalia, dorsal view; 28: Genitalia, ventral view; 29: Genitalia, lateral view; 30: Aedeagal complex, dorsal view. Scale bar: 27 – 29 = 0.4 mm; 30 = 0.1 mm.

FIGURES 23 – 26. Chionea (Chionea) sphaerae sp. nov. 23: Habitus of male, dorsal view; 24: Head of male, lateral view; 25: Leg of male; 26: Aedeagal complex, dorsal view. Scale bar: 23 = 2.0 mm; 24 = 0.5 mm; 25 = 2.0 mm; 26 = 0.1 mm.

FIGURES 8 – 11. Chionea (Chionea) crassipes gracilistyla Alexander, 1936. 8: Genitalia, dorsal view; 9: Genitalia, ventral view; 10: Genitalia, lateral view; 11: Aedeagal complex, dorsal view. Scale bar: 8 – 10 = 0.25 mm; 11 = 0.2 mm.

FIGURES 4 – 7. Chionea (Chionea) crassipes gracilistyla Alexander, 1936. 4: Habitus of male, dorsal view; 5: Head of male, lateral view; 6: Leg of male; 7: Aedeagal complex, dorsal view. Scale bar: 4 = 1.0 mm; 5 = 0.3 mm; 6 = 1.0 mm; 7 = 0.2 mm.

FIGURES 16 – 19. Chionea (Chionea) pusilla Savchenko, 1983. 16: Genitalia, dorsal view; 17: Genitalia, ventral view; 18: Genitalia, lateral view; 19: Aedeagal complex, dorsal view. Scale bar: 16 – 18 = 0.2 mm; 19 = 0.05 mm.

FIGURES 12 – 15. Chionea (Chionea) pusilla Savchenko, 1983. 12: Habitus of male, dorsal view; 130: Head of male, lateral view; 14: Leg of male; 15: Aedeagal complex, dorsal view. Scale bar: 12 = 1.0 mm; 13 = 0.5 mm; 14 = 1.0 mm; 15 = 0.05 mm.

FIGURES 35 – 38. Chionea (Chionea) tianhuashana sp. nov. 35: Genitalia, dorsal view; 36: Genitalia, ventral view; 37: Genitalia, lateral view; 38: Aedeagal complex, dorsal view. Scale bar: 35 – 37 = 0.2 mm; 38 = 0.1 mm.

FIGURES 31 – 34. Chionea (Chionea) tianhuashana sp. nov. 31: Habitus of male, dorsal view; 32: Head of male, lateral view; 33: Leg of male; 34: Aedeagal complex, dorsal view. Scale bar: 31 = 1.0 mm; 32 = 0.5 mm; 33 = 2.0 mm; 34 = 0.1 mm.