Late June → August; travelling-sedge action mid-July (e.g. rosebud lake) gofishbc articles 2026 06.

Overlaps the trip window (18 Jul–5 Aug) — a key evening hatch to watch.

Caddis/sedge dries: Goddard Caddis, Mikulak Sedge, Tom Thumb, elk hair caddis, corn fed caddis, mass attack, rockerka, front end loader, klinkhammer gofishbc articles 2026 06 creston flyfishing web research 2026 06.

Larvae/pupae: peeping caddis, holy grail caddis.

premier lake, rockbluff lake, rosebud lake, horseshoe lake, goat river.

Confirm and expand the Found in list and abundance with hard data — benthic-sample communities via CABIN, occurrence records via GBIF (roll up taxa per watershed) and iNaturalist, DNA-barcode IDs via BOLD. Access, licences and the FWA-segment join method are in aquatic invertebrate and river health data sources 2026 07.

match the hatch stillwater — evening progression.

mayflies — the other main summer dry hatch.

Go Fish BC articles — timing, patterns.

Creston web research — evening dry-fly note.