Metalimnobia

Mao, Meng & Yang, Ding, 2010, Species of the genus Metalimnobia Matsumura from China (Diptera, Limoniidae), Zootaxa 2344, pp. 1-16 : 2

Key to species of subgenus Metalimnobia from China

1. Wing brightly yellowish hyaline with some brown pattern.......................................................................................... 2

- Wing brownish hyaline with some darker distinct spots in main radial field............................................................... 3

2. Femora dark brown, with one subapical yellow ring. Inner gonostylus divided into three lobes .................................. ............................................................................................................... M. xanthopteroides xanthopteroides (Riedel)

- Femora yellow with tip brown. Inner gonostylus undivide ( Fig. 9 ) ........................................ M. bifasciata (Schrank)

3. Sc1 ending before fork of Rs. Inner gonostylus with innermost lobe deeply splited into two divergent blades ............. ............................................................................................................................................. M. improvisa (Alexander)

- Sc1 ending just beyond fork of Rs ( Figs. 1–7 ). Inner gonostylus with innermost lobe unsplited ................................. 4

4. Femora with two distinct dark rings. Paramere with stem strongly sinuous, tip of paramere cuspidate ( Fig. 18 )......... ...................................................................................................................................... M. quadrimaculata (Linnaeus)

- Femora with one distinct dark ring at tip, other dark ring indistinct or totally missing. Paramere not as above ......... 5

5. Femora with first dark ring totally missing. Wing without seams and irregular clouds ( Fig. 2 ).................................... ................................................................................................................................................ M. yunnanica (Edwards)

- Femora with one indistinct ring at 4/5 length of femora. Wing with seams and irregular clouds................................ 6

6. Wing microtomentose, without small dark spots between base of cell R and origin of Rs ( Fig. 5 )............................... .............................................................................................................................................. M. rectangularis sp. nov.

- Wing not microtomentose, with some small dark spots between base of cell R and origin of Rs ( Figs. 4, 6–7 )......... 7

7. Innermost lobe of inner gonostylus coalited with outer gonostylus. Paramere with tip flattened ( Fig. 30 )................... ............................................................................................................................................. M. quadrinotata (Meigen)

- Innermost lobe of inner gonostylus disjointed with outer gonostylus. Paramere not as above.................................... 8

8. Outer gonostylus slender. Paramere with stem slightly sinuous, gradually narrowing to tip, inner apical margin rounded ( Fig. 22 ) .......................................................................................................................... M. impubis sp. nov.

- Outer gonostylus broader. Paramere subtriangular, with tip narrow and acute ( Fig. 34 ) .............. M. tenua Savchenko

Figures

FIGURES 8 – 11. Metalimnobia (Metalimnobia) bifasciata (Schrank, 1781) Male. 8. Ninth tergite, dorsal view; 9. gonostylus, dorsal view; 10. hypopygium, dorsal view; 11. hypopygium, ventral view.

FIGURES 1 – 7. Wing (male). 1. Metalimnobia (Metalimnobia) bifasciata (Schrank, 1781); 2. Metalimnobia (Metalimnobia) yunnanica (Edwards, 1928); 3. Metalimnobia (Metalimnobia) quadrimaculata (Linnaeus, 1760); 4. Metalimnobia (Metalimnobia) impubis sp. nov; 5. Metalimnobia (Metalimnobia) rectangularis sp. nov.; 6. Metalimnobia (Metalimnobia) quadrinotata (Meigen, 1818); 7. Metalimnobia (Metalimnobia) tenua Savchenko, 1976.

FIGURES 16 – 19. Metalimnobia (Metalimnobia) quadrimaculata (Linnaeus, 1760) Male. 16. Ninth tergite, dorsal view; 17. gonostylus, dorsal view; 18. hypopygium, dorsal view; 19. hypopygium, ventral view.

FIGURES 28 – 31. Metalimnobia (Metalimnobia) quadrinotata (Meigen, 1818) Male. 28. Ninth tergite, dorsal view; 29. gonostylus, dorsal view; 30. hypopygium, dorsal view; 31. hypopygium, ventral view.

FIGURES 20 – 23. Metalimnobia (Metalimnobia) impubis sp. nov Male. 20. Ninth tergite, dorsal view; 21. gonostylus, dorsal view; 22. hypopygium, dorsal view; 23. hypopygium, ventral view.

FIGURES 32 – 35. Metalimnobia (Metalimnobia) tenua Savchenko, 1976. Male. 32. Ninth tergite, dorsal view; 33. gonostylus, dorsal view; 34. hypopygium, dorsal view; 35. hypopygium, ventral view.