PESTNET — a free service to help combat crop pests and diseases.
Pests Pests Entities Insects Flies Telostylinus, tomatoes, Fiji
January 2017. A fly thought to be attacking household vegetables especially tomatoes in Fiji.
A member from Cook Islands wrote: Genus Telostylinus, and possibly lineolatus as found in the Cook Islands:
http://cookislands.bishopmuseum.org/species.asp?id=7793. And it was confirmed by another, who said that it is normally secondary.