Posted by John Carr on 08-09-2015 01:05
#4
The character might be variable. The sole photo of
Rhagoletis meigenii on BugGuide,
http://bugguide.n...479/bgpage, shows one large and one small bristle on one side and only one on the other.
The North American literature also describes
Rhagoletis with two orbital setae.