I prefer a Susan Bates size B hook and size 10 cotton thread.

Abbreviations:

ch – chain

sl – slip stitch

sc – single crochet

hdc – half double crochet

dc – double crochet

Ch 5, sl to form ring.

Round 1 will be worked in the center of this ring.

Round 1:

Ch 3 (counts as 1st dc) 2 dc in ring; *ch 2 3 dc in ring*.  Repeat between * * until you have 8 sets of  (3dc).  Hdc in top of ch 3 to join.

Round 2:

Ch 3 (counts as 1st dc) 2 dc in the space you just made from the hdc, ch 3, 3 dc in same space *3 dc, ch 3, 3 dc in next ch 2 sp (shell made)*.  Repeat between * *  until you have 8 sets of shells (3dc ch3 3dc).  Sl in top of ch 3 to join.

Round 3:

Ch 1, sc in space you just made between the shells.  10 dc in each ch 3 and sc in the space between each shell.  Fold butterfly in half.  Sl in 1st sc to join.  Fasten off.

Make antennae with yarn, thread, wire, or beads.