In hot days, in May and June, a most killing fly.
[No. 15.]
A very superior fly in June and July, or hot sultry days. A good bob, with No. 8, as stream.
[No. 16.]
In sultry weather, after rain in June, July, and beginning of August.
[No. 17.]
From the second week in June, to the second week in August, a very certain killer in hot days.