Overview
This caddis larva pattern uses micro-tubing in tan, olive, or chartreuse over the abdomen to create a segmented, translucent body that mimics the natural insect's case-less larva. Two-tone thread — white under the abdomen, brown through the thorax — pairs with a gray ostrich herl head and Hungarian partridge leg fibers for a buggy, mobile profile, while a small tag of silver holographic tinsel adds flash right at the bend. Works well in both Euro nymphing and indicator rigs, especially in clear water where a slim, translucent profile out-fishes bulkier ties.
Related patterns
Behavior & presentation
- Natural Behavior
- The translucent larval body crawls along rocky substrate, clinging to stones in faster currents where trout actively hunt these protein-rich morsels. Case-free species expose their segmented bodies while foraging, making them conspicuous targets throughout the growing season.
- Where Trout Eat It
- In rivers, focus on riffles and runs with rocky bottom structure. In lakes, work rocky shoals and weed beds at 3-12 feet depth where larvae attach to vegetation.
- How to Fish It
- Dead drift tight to the bottom using indicator or Euro nymphing setups. Maintain contact with streambed where larvae naturally cling and tumble.
- Best Water
- Most productive in runs, riffles, and rocky pockets. Target shoals and structure at lake drop-offs where case-builders congregate.
- Strike Type
- Watch for indicator dips, subtle line tightening, or hesitation signaling bottom takes.
Fishing strategy
- Rigging Suggestions
- Use 5X or 6X tippet with a strike indicator set 1.5 to 2 times the water depth. Also effective as a dropper 16-20 inches below a dry fly in a dry-dropper setup.
- Seasonal Timing
- Most productive from April through October when caddis larvae are actively feeding and growing. and periods see the highest concentrations as larvae prepare for pupation.
- Pro Tips
- The UV resin creates a translucent, glossy appearance that mimics the natural sheen of caddis larvae. The high-contrast body segments increase visibility in off-color water. Keep drifts near the bottom where larvae naturally occur.
Where to fish it
Rivers anglers pair with this fly, with local shops that stock it.
River details and fly shops from River & Run, our sister site.
Entomology
Free-living caddis larvae crawl actively across stream bottoms without protective cases, exposing their segmented bodies as they forage for algae and organic matter in riffles. Trout encounter these larvae when current dislodges them from substrate crevices, and their bright coloration and wriggling movement make them visible targets that fish consume readily throughout the year.
- Order
- Trichoptera
- Common name
- Caddisfly
- Organism
- insect
- Life stage
- larva
Pattern details
- Stillwater
- Moving Water
- Rocky Mountain
- dead-drift
- indicator-nymph
- caddis-hatch
- attractor
- searching-pattern
- low-clear-water
