def simplify_keys(mapping: dict[str, str]) -> dict[str, str]:
    """
    Simplify/deduplicate dict keys, to reduce variations in similarly-named keys

    Example::
        >>> simplify_keys({'my_namepace:Super_Order': 'Panorpida'})
        {'superfamily': 'Panorpida'}

    Returns:
        dict with simplified/deduplicated keys
    """
    return {k.lower().replace('_', '').split(':')[-1]: v for k, v in mapping.items()}