Posted by John Carr on 23-01-2014 03:55
#2
One of the striped genera of Eristalini:
Parhelophilus,
Lejops,
Anasimyia, or some tropical relative.
Posted by Gerard Pennards on 23-01-2014 09:54
#4
A female Mesembrius sp., indeed related to the genera Johnn mentioned.