Availability: 80 in stock Availability: 22 in stock Micro Mayfly-Beadhead $0.89 Original price Original price $0.89 - Original price $0.89 Original price $0.89 - $0.89 Current price $0.89 | / Choose a variant 16 - $0.89 18 - $0.89 Size: 16 16 18 Quantity Add to cart Excellent for all smaller hatching mayflies. In general mayflies get smaller as the summer wears on. The baetis/BWO can hatch all year around though, which makes this an excellent pattern to keep stocked up on.