Zavrelimyia Fittkau, 1962

Mondal, Debarshi, Mukherjee, Tuhar & Hazra, Niladri, 2022, On a new species of the genus Zavrelimyia Fittkau, 1962 (Diptera: Chironomidae) from India with cladistic relationship and a world key to the known males, Zootaxa 5154 (3), pp. 365-379 : 370-374

A world key to the genus Zavrelimyia Fittkau (males)

[ Zavrelimyia (Zavrelimyia) alterna ( Johannsen, 1932) and Z. (Paramerina) ampliseta ( Hazra, Saha, Mazumdar and Chaudhuri, 2011) are not included in this key as they are described based on female.]

1. Scutal tubercles present (NE)................................... Zavrelimyia (Reomyia) wartinbei ( Roback, 1984)

- Scutal tubercles absent................................................................................ 2

2. Phallapodeme not distinct.............................................................................. 3

- Phallapodeme distinct............................................................ Subgenus Paramerina ... 4

3. R 2+3 absent (OR, PA).......................................... Zavrelimyia (Schineriella) schineri ( Strobl, 1880)

- R 2+3 present.................................................................... Subgenus Zavrelimyia ... 37

4. Abdomen with broad ill defined bands.................................................................... 5

- Abdomen without bands............................................................................... 7

5. AR less than 1.5 (AU)......................................................... Z. (P.) parva ( Freeman, 1961)

- AR more than 1.5.................................................................................... 6

6. LR less than 1 (AU).......................................................... Z. (P.) levidensis ( Skuse, 1889)

- LR more than 1 (AU)......................................................... Z. (P.) taylori ( Roback, 1982)

7. Costa produced...................................................................................... 8

- Costa not produced.................................................................................. 11

8. T IX with transverse row of 3 setae (NE)......................................... Z. (P.) hanseni ( Roback, 1971)

- T IX without transverse row of setae...................................................................... 9

9. T VI-VIII basal half dark.............................................................................. 10

- T VI-VIII entirely dark (OR).................................. Z. (P.) quininficia ( Chaudhuri and Debnath, 1985)

10. Tergites with reddish brown spots (OR, AU, OC)................................ Z. (P.) ignobilis ( Johannsen, 1932)

- Tergites without reddish brown spots (OR)........................... Z. (Z.) inficia ( Chaudhuri and Debnath, 1985)

11. AR less than 1...................................................................................... 12

- AR more than 1..................................................................................... 13

12. T II-VIII with transverse dark bands (OR).............. Z. (P.) clara ( Hazra, Saha, Mazumdar and Chaudhuri, 2011)

- T II-VIII without transverse dark bands (OR)..................................... Z. (P.) aucta ( Johannsen, 1932) 13. AR less than 1.5..................................................................................... 14

- AR more than 1.5................................................................................... 29

14. T VI-VIII banded.................................................................................... 15

- T I-VIII banded..................................................................................... 17

15. Phallapodeme shorter (AF)..................................................... Z. (P.) minima ( Kieffer, 1911)

- Phallapodeme longer................................................................................. 16

16. Wing with punctations (OR, PA)................................................ Z. (P.) yunouresia ( Sasa, 1989)

- Wing without punctations (NT)........................................ Z. (P.) fasciata ( Sublette and Sasa, 1994)

17. Gonostylus bulbous (OR)............................................................... Z. (P.) falcata sp.n.

- Gonostylus not bulbous............................................................................... 18

18. T VIII with central longitudinal bands (AF)...................................... Z. (P.) ababae ( Harrison, 1991)

- T VIII without central longitudinal bands................................................................. 19

19. MCu proximal to RM................................................................................ 20

- MCu distal to RM................................................................................... 27

20. Basal half of legs pale................................................................................ 21

- Legs uniform....................................................................................... 24

21. T II and V pale...................................................................................... 22

- T II and V banded (PA)...................................................... Z. (P.) cingulata ( Walker, 1856)

22. AR less than one (OR, PA)...................................................... Z. (P.) okigenga ( Sasa, 1990)

- AR more than one................................................................................... 23

23. Basitarsus of mid leg about 2/3rd as long as tibia (PA, OR)............................. Z. (P.) divisa ( Walker, 1856)

- Basitarsus of mid leg at least as long as tibia (OR, PA)................... Z. (P.). togavicea ( Sasa and Okazawa, 1992)

24. rm separated from MCu by length of FCu (NE)....................................... Z. (P.) testa ( Roback, 1971)

- rm separated from MCu with length less than FCu.......................................................... 25

25. AR more than 1.5................................................................................... 26

- AR less than 1.5 (PA, AF)..................................................... Z. (P.) vaillanti ( Fittkau, 1962)

26. T VI to VIII uniformly dark (NE)................................................ Z. (P.) fragilis ( Walley, 1926)

- T VI to VIII banded (AF, PA).............................................. Z. (P.) mauretanica ( Fittkau, 1962)

27. R 4+5 ending proximal to M 1+2 (AF)............................................. Z. (P.) edwardsi ( Freeman, 1955)

- R 4+5 ending distal to M 1+2 .............................................................................. 28

28. Cell m 1 with only one pale area (AF)................................. Z. (P.) nigrimarmorata (Goetgehbuer, 1935)

- Cell m 1 with two pale areas (AF)......................................... Z. (P.) septemguttata ( Freeman, 1955)

29. T I to IV banded (AF)....................................................... Z. (P.) meilloni ( Freeman, 1955)

- T I to IV uniform.................................................................................... 30

30. Wing with transverse band............................................................................ 31

- Wing without transverse bands......................................................................... 33

31. Wing with single transverse band....................................................................... 32

- Wing with double transverse bands (OR)........................................ Z. (P.) okimaculata ( Sasa, 1990)

32. Transverse band proximal to FCu (AF)..................................... Z. (P.) interrupta ( Goetghebuer, 1935)

- Transverse band distal to FCu (OR, OC)........................................ Z. (P.) dolosa ( Johannsen, 1932)

33. Abdomen with brown patches; AR greater than 2 (OR).............. Z. (P.) valida ( Paul, Hazra and Mazumdar, 2013)

- Abdomen without brown patches; AR less than 2........................................................... 34

34. T III, IV, V, VI uniform (AF)................................................. Z. (P.) longipes ( Freeman, 1955)

- T III, IV, V, VI banded................................................................................ 35

35. T II and III dark (NE, NT)..................................................... Z. (P.) smithae ( Sublette, 1964)

- T II and III pale..................................................................................... 36

36. T VII and VIII pale (NE, PA)........................................... Z. (P.) anomala ( Beck and Beck, 1966)

- T VII and VIII dark (AF)..................................................... Z. (P.) fittkaui (Lehmann, 1981)

37. Abdomen pale; thorax with 4 dark vittae (OR).................................... Z. (Z.) facilis ( Johannsen, 1932)

- Abdomen dark; thorax without vittae.................................................................... 38

38. R 3 indistinct apically (PA)........................................... Z. (Z.) tusimuheia ( Sasa and Suzuki, 1999)

- R 3 distinct apically................................................................................... 39

39. Phallapodeme distinct................................................................................ 40

- Phallapodeme indistinct (NE, PA).............................................. Z. (Z.) thryptica ( Sublette, 1964)

40. Abdomen with circular patches on each segment (OR)............................ Z. (Z.) alterna ( Johannsen, 1932)

- Abdomen without circular patches...................................................................... 41

41. Wing without transverse cross bands.................................................................... 42

- Wing with transverse cross bands....................................................................... 46

42. Tergites uniformly dark (OR)............................................... Z. (Z.) pleuralis ( Tokunaga, 1940)

- Tergites not uniformly dark............................................................................ 43

43. Tergites II-V with longitudinal bands (PA)....................................... Z. (Z.) hirtimana ( Kieffer, 1918)

- Tergites II-V without longitudinal bands.................................................................. 44

44. Tergite VIII with two dark apical spots (PA)................................... Z. (Z.) signatipennis ( Kieffer, 1924)

- Tergite VIII without dark apical spots.................................................................... 45

45. Tergites II-IV with broad transverse bands covering two third of the segments (PA)................................................................................................... Z. (Z.) puctatissima ( Goetghebuer, 1934)

- Tergites II-IV with narrow transverse bands (AU).................................. Z. (Z.) harrisi ( Freeman, 1959)

46. Wing with two transverse cross bands (PA)........................................ Z. (Z.) nubila (Meigen, 1830)

- Wing with one transverse cross band.................................................................... 47

47. AR less than 1.5 (PA).................................................... Z. (Z.) kyotoensis ( Tokunaga, 1937)

- AR greater than 1.5.................................................................................. 48

48. Tergites II-VI with dark bands.......................................................................... 49

- Tergites II-VI without dark bands....................................................................... 50

49. AR less than 2 (NE)........................................................ Z. (Z.) sinuosa ( Coquillett, 1901)

- AR more than 2 (NE).................................................... Z. (Z.) bifasciata ( Coquillett, 1901)

50. Tergite IX bare (PA)..................................................... Z. (Z.) monticola ( Tokunaga, 1937)

- Tergite IX setose.................................................................................... 51

51. Tergite VIII with apical two third dark................................................................... 52

- Tergite VIII completely dark (PA)................................................. Z. (Z.) berberi Fittkau, 1962

52. Tergite VII with broad longitudinal band (PA).................................... Z. (Z.) melanura ( Meigen, 1804)

- Tergite VII without broad longitudinal band (PA).................................. Z. (Z.) barbatipes ( Kieffer, 1911)