"Xerces blue" meaning in English

{
  "forms": [
    {
      "form": "Xerces blues",
      "tags": [
        "plural"
      ]
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      "expansion": "Xerces blue (plural Xerces blues)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Gossamer-winged butterflies",
          "orig": "en:Gossamer-winged butterflies",
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      "examples": [
        {
          "ref": "2010, Robert Michael Pyle, Mariposa Road",
          "text": "Last seen at the Presidio, the Xerces blue finally passed from existence in 1943.",
          "type": "quotation"
        },
        {
          "ref": "2012, Peggy L Fiedler, Conservation Biology, page 180",
          "text": "In fact, the xerces blue survived that first wave of habita destruction, only to succumb in the 1940s to continuing development especially of sand dune habitats.",
          "type": "quotation"
        },
        {
          "ref": "2015, Rebecca Solnit, “Middle-Aged and Dishevelled”, in London Review of Books, volume 28, number 6",
          "text": "The Brown Satyr butterfly, endemic to San Francisco, where I live, became extinct sometime in the 19th century, and the Xerxes Blue vanished during World War Two when its Golden Gate habitat was overtaken by military expansion.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A recently extinct species of gossamer-winged butterfly (Lycaenidae), Glaucopsyche xerces."
      ],
      "id": "en-Xerces_blue-en-noun-utK2CBa8",
      "links": [
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          "extinct",
          "extinct"
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        [
          "gossamer-winged butterfly",
          "gossamer-winged butterfly"
        ],
        [
          "Lycaenidae",
          "Lycaenidae#Translingual"
        ]
      ],
      "synonyms": [
        {
          "word": "Xerxes blue"
        }
      ]
    }
  ],
  "word": "Xerces blue"
}

{
  "forms": [
    {
      "form": "Xerces blues",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "Xerces blue (plural Xerces blues)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Gossamer-winged butterflies"
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      "examples": [
        {
          "ref": "2010, Robert Michael Pyle, Mariposa Road",
          "text": "Last seen at the Presidio, the Xerces blue finally passed from existence in 1943.",
          "type": "quotation"
        },
        {
          "ref": "2012, Peggy L Fiedler, Conservation Biology, page 180",
          "text": "In fact, the xerces blue survived that first wave of habita destruction, only to succumb in the 1940s to continuing development especially of sand dune habitats.",
          "type": "quotation"
        },
        {
          "ref": "2015, Rebecca Solnit, “Middle-Aged and Dishevelled”, in London Review of Books, volume 28, number 6",
          "text": "The Brown Satyr butterfly, endemic to San Francisco, where I live, became extinct sometime in the 19th century, and the Xerxes Blue vanished during World War Two when its Golden Gate habitat was overtaken by military expansion.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A recently extinct species of gossamer-winged butterfly (Lycaenidae), Glaucopsyche xerces."
      ],
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          "extinct",
          "extinct"
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  "synonyms": [
    {
      "word": "Xerxes blue"
    }
  ],
  "word": "Xerces blue"
}