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Hello runetk,

Heleomyzidae have spines along the costa. This is not a Suillia sp. it is a Muscidae sp.

Thricops diaphanus female has black vitta, dark first flagellomere with orange pedicel, black tarsi, yellow body, dark occiput. Hennig mentions one pv on foretibia but noone else identifies this as a reliable character. I see two posterior bristles in your first photo but this shouldn't matter because there isn't much competition for this habitus.

Best wishes,
John