response = driveservice.list(
    q="name='June 2019' and mimeType='application/vnd.google-apps.folder'",
    driveId='abcdef',
    corpora='drive',
    includeItemsFromAllDrives=True,
    supportsAllDrives=True
).execute()

for item in response.get('files', []):
    # process found item