"cabbage fly" meaning in English

{
  "forms": [
    {
      "form": "cabbage flies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cabbage fly (plural cabbage flies)",
      "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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
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        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
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        },
        {
          "kind": "other",
          "name": "Terms with Danish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Estonian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Norwegian Bokmål translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Swedish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Muscoid flies",
          "orig": "en:Muscoid flies",
          "parents": [
            "Dipterans",
            "Insects",
            "Arthropods",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Delia radicum, a fly that is a pest on cabbages and other crops."
      ],
      "id": "en-cabbage_fly-en-noun-MzhlH-sB",
      "links": [
        [
          "pest",
          "pest"
        ],
        [
          "crop",
          "crop"
        ]
      ],
      "translations": [
        {
          "code": "da",
          "lang": "Danish",
          "sense": "Delia radicum",
          "tags": [
            "common-gender"
          ],
          "word": "lille kålflue"
        },
        {
          "code": "et",
          "lang": "Estonian",
          "sense": "Delia radicum",
          "word": "kapsalkärbes"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Delia radicum",
          "word": "kaalikärpänen"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "Delia radicum",
          "tags": [
            "feminine"
          ],
          "word": "mouche du chou"
        },
        {
          "code": "nb",
          "lang": "Norwegian Bokmål",
          "sense": "Delia radicum",
          "tags": [
            "feminine"
          ],
          "word": "liten kålflue"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "Delia radicum",
          "tags": [
            "common-gender"
          ],
          "word": "liten kålfluga"
        }
      ]
    }
  ],
  "word": "cabbage fly"
}

{
  "forms": [
    {
      "form": "cabbage flies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cabbage fly (plural cabbage flies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries using missing taxonomic name (species)",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Danish translations",
        "Terms with Estonian translations",
        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with Norwegian Bokmål translations",
        "Terms with Swedish translations",
        "en:Muscoid flies"
      ],
      "glosses": [
        "Delia radicum, a fly that is a pest on cabbages and other crops."
      ],
      "links": [
        [
          "pest",
          "pest"
        ],
        [
          "crop",
          "crop"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "da",
      "lang": "Danish",
      "sense": "Delia radicum",
      "tags": [
        "common-gender"
      ],
      "word": "lille kålflue"
    },
    {
      "code": "et",
      "lang": "Estonian",
      "sense": "Delia radicum",
      "word": "kapsalkärbes"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Delia radicum",
      "word": "kaalikärpänen"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Delia radicum",
      "tags": [
        "feminine"
      ],
      "word": "mouche du chou"
    },
    {
      "code": "nb",
      "lang": "Norwegian Bokmål",
      "sense": "Delia radicum",
      "tags": [
        "feminine"
      ],
      "word": "liten kålflue"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "Delia radicum",
      "tags": [
        "common-gender"
      ],
      "word": "liten kålfluga"
    }
  ],
  "word": "cabbage fly"
}