rsemcm/client/overrides/config/alexsmobs/crimson_mosquito_spawns.json

{
  "biomes": [
    [
      {
        "type": "REGISTRY_NAME",
        "negate": false,
        "value": "minecraft:crimson_forest"
      }
    ],
    [
      {
        "type": "REGISTRY_NAME",
        "negate": false,
        "value": "byg:crimson_gardens"
      }
    ],
    [
      {
        "type": "REGISTRY_NAME",
        "negate": false,
        "value": "biomesoplenty:visceral_heap"
      }
    ],
    [
      {
        "type": "REGISTRY_NAME",
        "negate": false,
        "value": "incendium:ash_barrens"
      }
    ],
    [
      {
        "type": "REGISTRY_NAME",
        "negate": false,
        "value": "incendium:infernal_dunes"
      }
    ]
  ]
}