Larva |
- | Pair of non-jointed fleshy prolegs tipped with tiny hooks (crochets) on abdominal segments (3, 4, 5, 6, and 10) |
- | Antennae are shorter than body |
- | May not have gills as does one in illustration |
- | Instars: 4-5 |
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Pupa |
- | Legs and antennae are fused to body |
- | Antennae are shorter than body |
- | Pupa develops underwater in silken cocoon |
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Adult |
- | Wings are covered with scales |
- | Fore wings less than 15 mm. long, sometimes reduced |
- | Hind wings finely patterned |
- | Mouth siphon well developed and coiled |
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Moths include (5) aquatic (or semi-aquatic) families.
Life stage
illustrations are of pyralid moths, the only fully aquatic family, as the
others are semi-aquatic. |