Je pense qu'il s'agit d'un Bombyliidé du genre Villa... et j'ai lu sur le forum que la détermination de l'espèce était très difficile... Néanmoins, ayant plusieurs vues du même spécimen, je garde espoir, quels critères pourrais-je rechercher (sans devoir attraper et disséquer la bête) ?
La clé en deuxième page m'amène à Villa Hottentotta :
1. Wings dark brown to black coloured on the front edge………………….............................................................2 Wings light brown to yellowish shaded along the front edge..............................................................................5
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5. Males…………………......................................................................................................................6 Females..................................................................................................................................................9
... 9. Tergites 2, 3 and 4 with nearly equally broad bands of bright scales, at sides reaching (almost) to the hind corner of the tergite. Especially the band on tergite 3 may be narrower in the middle, sometimes almost divided in two, but always covering more than half the side margin of the tergite. Occiput covered in golden yellow scales, the hair tufts on the side of tergite 7 golden yellow. Scales on dorsal side of hind tibia equal in length to the bristles…………………............................................................Villa hottentotta (Linneus, 1758)
- The bands on tergite 2, 3 and 4 not of the same width. Occiput with scales that are pale yellow (not golden yellow), and the tufts of hair on the side of tergite 7 pale yellow or white. The bright band on tergite 3 never covering as much as half the side of the tergite..........................................................................10
