Possible Clues:

• Destructive insect of the grasshopper family
• Voracious insect, travels in swarms
• Copper in 'Missing Persons' finds destroyer
• Migratory insect seen in tree
• Little creature's missing - bring in copper
• Swarming, destructive insect
• Cicada relative
• Highly destructive migratory insect
• Grasshopper
• In this location the first insect's to be found