Rnd 1. 6 sc in MR (6)
Rnd 2. (3 sc/st, 3 sc)*2, 3 sc/st, 2 sc (12)
Rnd 3. 1 sc, (3 sc/st, 3sc)*2, 3 sc/st, 2 sc (18)
Rnd 4. 2 sc, (3 sc/st, 5sc)*2, 3 sc/st, 3 sc (24)
Rnd 5. 3 sc, (3 sc/st, 7sc)*2, 3 sc/st, 4 sc (30)
Rnd 6. 4 sc, (3 sc/st, 9sc)*2, 3 sc/st, 5 sc (36)
Rnd 7. 5 sc, (3 sc/st, 11sc)*2, 3 sc/st, 6 sc (42)
End with a slst. Fasten off. Weave in the tail.

Small part:
Rnd 1. 6 sc in MR (6)
Rnd 2. (3sc/st, 1sc)*3 (12)
Rnd 3. 1 sc, (3sc/st, 3sc)*2, 3 sc/st, 2 sc (18)
Rnd 4. 2 sc, (3sc/st, 5sc)*2, 3 sc/st, 3 sc (24)
Rnd 5. 3 sc, (3sc/st, 7sc)*2, 3 sc/st, 4 sc (30)
Rnd 6. 4 sc, (3sc/st, 9sc)*2, 3 sc/st, 5 sc (36)
End with a slst. Fasten off. Weave in the tail.
Sew both parts together to get one wing (as shown below).
Use a new thread for this.
Sew the wing to the back of the body. Make sure that the front of the wing faces forward.