| 1. | The larvae have a pale grey body and reddish brown head.
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| 2. | The larvae have a dirty grey body and shining black head.
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| 3. | The larvae have a light reddish grey body and a brown head.
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| 4. | The larvae have a light grey body and black head.
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| 5. | Breeding adults have a smoky grey body, with a slightly paler underside.
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| 6. | Mature larvae have pinkish-grey bodies with dark purplish-red spots.
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| 7. | Larvae have a grey body and a black head.
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| 8. | Young larvae are have a pale greenish grey body and pale brown head.
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| 9. | It has a distinctive dark stripe down its back on and otherwise grey body.
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| 10. | They have a grey body with dark length-lines and a blackish head.
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