Discomyza

Zatwarnicki, Tadeusz & Cielniak, Magdalena, 2015, A review of the genus Discomyza (Diptera: Ephydridae) from Afrotropical, Australasian / Oceanian and Oriental Regions, Zootaxa 3963 (1), pp. 1-26 : 5

Key to species of the tropical Old World species of Discomyza

1. Thorax with whitish pattern of microtomentum ( Fig. 59 ).............................. D. maculipennis (Wiedemann)

- Thorax uniformly black, without pattern of microtomentum ( Fig. 46 )........................................... 2

2. Foreleg, including basitarsus, completely dark.............................................................. 3

- Basitarsus of foreleg whitish........................................................................... 4

3. Antenna dark ( Fig. 60, 61 ).................................................................. D. similis Lamb

- Antenna yellowish ( Fig. 25, 26 )............................................................ D. eritrea Cresson

4. Length of basoflagellomere less than 2x of its width ( Fig. 3, 4 ).................................. D. africana Cresson

- Length of basoflagellomere about 3X or more its width ( Fig. 13 , 35 )............................................ 5

5. Antenna with basoflagellomere darkened on apical half ( Fig. 13 ). Wing with narrow dark spot around crossvein dm-m and sep- arated from the rest of infuscation ( Fig. 23 ).............................................. D. dolichocerus Cresson

- Antenna with red basoflagellomere ( Fig. 35 ). Wing with wide dark spot around crossvein dm-m and connected with the rest of infuscation ( Fig. 45 ).................................................................. D. fagomoga sp. nov.

Figures

FIGURES 57 – 59. Wings and head with mesonotum. 57. Wing of Discomyza maculipennis. 58. Wing of Discomyza similis. 59. Head with mesonotum of Discomyza maculipennis, dorsal view. Scale bar 0.5 mm.

FIGURES 44 – 46. Wings and head with mesonotum. 44. Wing of Discomyza eritrea. 45. Wing of Discomyza fagomoga sp. nov. 46. Head with mesonotum of Discomyza fagomoga sp. nov., dorsal view. Scale bar 0.5 mm.

FIGURES 60 – 61. Head of Discomyza similis. 60. General view, anterior view. 61. Details in the central part, anterior view. Scale bar 0.5 mm.

FIGURES 25 – 26. Head of Discomyza eritrea. 25. General view, anterior view. 26. Details in the central part, anterior view. Scale bar 0.5 mm.

FIGURES 3 – 4. Head of Discomyza africana. 3. General view, anterior view. 4. Details in the central part, anterior view. Scale bar 0.5 mm.

FIGURES 13 – 14. Head of Discomyza dolichocerus. 13. General view, anterior view. 14. Details in the central part, anterior view. Scale bar 0.5 mm.

FIGURES 35 – 36. Head of Discomyza fagomoga sp. nov. 35. General view, anterior view. 36. Details in the central part, anterior view. Scale bar 0.5 mm.

FIGURES 22 – 24. Wings and head. 22. Wing of Discomyza africana, 23. Wing of Discomyza dolichocerus. 24. Head of Discomyza fagomoga sp. nov., lateral view. Scale bar 0.5 mm.