Possible Clues:

• Elephant ancestor
• Quarry of Jean Auel's hunters
• Giant insect on Geordie's old woman
• Very large maternal pair leaving emergency room
• Huge male insect that's caught in the morning
• Large – and woolly?
• Huge insect nibbling a mushroom's edges
• Too big and too old for the part of Madame Butterfly
• Prehistoric beast like hairy elephant
• Something that flies holding a large number - it's gigantic