Xenomyia bispina Emden, 1951

Couri, Márcia Souto, Sousa, Viviane Rodrigues De, Gomes, Marina & Gil-Azevedo, Leonardo H., 2025, The puzzling genus Xenomyia Malloch (Diptera, Muscidae): taxonomic notes, key to species and redescription of Xenomyia hirtibasis (Bigot), Zootaxa 5570 (2), pp. 260-280 : 266

Xenomyia bispina Emden, 1951

Diagnosis. (modified from Emden 1951). Length: 7.5–8.5 mm. Ocellar setae present; fronto-orbital plate narrower than frontal vitta; proboscis stout and bulbous, dusted; facial ridges with few setulae near vibrissa; profile of head at antennal base not longer than at mouth margin, forming an obtuse angle. Several rows of occipital hairs. Eyes oblique. Anepimeron bare. Hind tibia without anterodorsal seta. Claws moderately long, not longer than antenna. Dorsocentrals 2:3. Katepisternals 1:1. Presutural intra-alar absent or small. Fore tibia with posterior seta. Hind femur with two short spines in basal two-fifth ( Fig. 16 (modified from Fig. 50 of Emden 1951). Hind tibia anterodorsal seta absent in male and present in female.Abdomen subcylindrical with apex truncated in lateral view ( Fig. 26 (modified from Fig. 51 of Emden 1951).

Note. Described from male and female from Uganda, Namwamba Valley at 10,200 ft. ( Emden 1951) (NHMUK). Known geographical distribution, South Africa and Uganda.

Figures

FIGURES 16–20. 16. Xenomyia bispina Emden, hind leg of male (modified from Fig. 50 of Emden 1951); 17. Xenomyia hirtibasis Emden, hind leg of male; 18. Xenomyia osculata Pont & Werner, fore femur of male (modified from Fig. 4 of Pont & Werner 2003); 19. Xenomyia perplexa Emden, hind leg of male (modified from Fig. 49 of Emden 1951); 20. Xenomyia pseudolispe Emden, hind leg of male (modified from Fig. 48 of Emden 1951). Scale bars: 1 mm. Fig. 18, not to scale.

FIGURES 46–51. 46. Xenomyia hirtibasis (Bigot), male, lateral habitus; 47. Xenomyia hirtibasis (Bigot), male, dorsal habitus; 48. Xenomyia hirtibasis (Bigot), male, head, frontal view; 49. Xenomyia hirtibasis (Bigot), female, lateral habitus; 50. Xenomyia hirtibasis (Bigot), female, dorsal habitus; 51. Xenomyia hirtibasis (Bigot), female, head, frontal view. Scale bars: 1 mm.

FIGURES 21–26. 21. Xenomyia calyptrata Emden, wing and calypters of male; a: upper calypter; b: lower calypter (modified from Fig. 53 of Emden 1951); 22. Xenomyia edwardsi Emden, wing of male (modified from Fig. 4, plate 1 of Emden 1951); 23. Xenomyia hirtibasis (Bigot), wing of male; 24. Xenomyia osculata Pont & Werner, wing of male (modified from Fig. 5 of Pont & Werner 2003); 25. Xenomyia pseudolispe Emden, thorax of male, lateral view (modified from Fig. 47 of Emden 1951); 26. Xenomyia bispina Emden, abdomen of male, lateral view (modified from Fig. 7, plate X of Emden 1951). Scale bars: 1 mm. Figs 21, 22 and 24 not to scale.