Possible Clues:

• Creature most dangerous when it turns tail
• The sting of this sign is in the tail
• Zodiac stinger
• Kind of spider with pincers and stinging tail
• Barman or detective is on to something - with a sting in its tail
• Small firm working to absorb a measure of inflation which can be lethal
• Arachnid in house, note
• It may turn tail and still be aggressive
• Stinger with a long tail
• Stinging creature