"water scavenger beetle" meaning in English

{
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    {
      "form": "water scavenger beetles",
      "tags": [
        "plural"
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      "args": {},
      "expansion": "water scavenger beetle (plural water scavenger beetles)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
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        {
          "kind": "other",
          "langcode": "en",
          "name": "Staphylinoid beetles",
          "orig": "en:Staphylinoid beetles",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Any beetle of the family Hydrophilidae."
      ],
      "id": "en-water_scavenger_beetle-en-noun-tx60W~lC",
      "links": [
        [
          "beetle",
          "beetle"
        ],
        [
          "family",
          "family"
        ],
        [
          "Hydrophilidae",
          "Hydrophilidae#Translingual"
        ]
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "yáchóng",
          "sense": "hydrophilid",
          "word": "牙蟲 /牙虫"
        }
      ],
      "wikipedia": [
        "Hydrophilidae"
      ]
    }
  ],
  "word": "water scavenger beetle"
}

{
  "forms": [
    {
      "form": "water scavenger beetles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "water scavenger beetle (plural water scavenger beetles)",
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  "lang_code": "en",
  "pos": "noun",
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        "en:Staphylinoid beetles"
      ],
      "glosses": [
        "Any beetle of the family Hydrophilidae."
      ],
      "links": [
        [
          "beetle",
          "beetle"
        ],
        [
          "family",
          "family"
        ],
        [
          "Hydrophilidae",
          "Hydrophilidae#Translingual"
        ]
      ],
      "wikipedia": [
        "Hydrophilidae"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "yáchóng",
      "sense": "hydrophilid",
      "word": "牙蟲 /牙虫"
    }
  ],
  "word": "water scavenger beetle"
}