This one is Cylindromyia (tachinid)
31182019 and 30760077 are Platycheirus (syrphid)
30582951 and 30582967 are Melangyna (syrphid)
30713161, 30795397, 31165646, 31182012, 31182055, and 31210891 are Toxomerus (syrphid)
31210986 is Syrphus (s.l. - may be Metasyrphus or one of the other segregates)
31211094 is Helophilus (syrphid)
31565683, 30934987, and 31566117 are Eristalis (syrphid)
30716306 is Eristalis tenax (syrphid)
30890504 is Tabanus (tabanid)
30608486 is Exoprosopa (bombyliid)
