"rat-tailed maggot" meaning in English

{
  "forms": [
    {
      "form": "rat-tailed maggots",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rat-tailed maggot (plural rat-tailed maggots)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Aschizan flies",
          "orig": "en:Aschizan flies",
          "parents": [
            "Dipterans",
            "Insects",
            "Arthropods",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The aquatic larva of a hoverfly in either the tribe Eristalini or the tribe Sericomyini, which breathes through a tail-like air tube."
      ],
      "id": "en-rat-tailed_maggot-en-noun-0scmf3qc",
      "links": [
        [
          "hoverfly",
          "hoverfly"
        ],
        [
          "tribe",
          "tribe"
        ],
        [
          "Eristalini",
          "Eristalini#Translingual"
        ]
      ],
      "related": [
        {
          "word": "rat-tailed larva"
        }
      ]
    }
  ],
  "word": "rat-tailed maggot"
}

{
  "forms": [
    {
      "form": "rat-tailed maggots",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "rat-tailed maggot (plural rat-tailed maggots)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "rat-tailed larva"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
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        "English multiword terms",
        "English nouns",
        "Entries using missing taxonomic name (tribe)",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Aschizan flies"
      ],
      "glosses": [
        "The aquatic larva of a hoverfly in either the tribe Eristalini or the tribe Sericomyini, which breathes through a tail-like air tube."
      ],
      "links": [
        [
          "hoverfly",
          "hoverfly"
        ],
        [
          "tribe",
          "tribe"
        ],
        [
          "Eristalini",
          "Eristalini#Translingual"
        ]
      ]
    }
  ],
  "word": "rat-tailed maggot"
}