Published in Entomologische Nachrichten. Berlin, in 1891, in volume 17, pages 17-26

Published in Entomologische Nachrichten. Berlin, in 1891, in volume 17, pages 55-58

Published in Entomologische Nachrichten Berlin, in 1891, in volume 17, pages 97-107

Published in Entomologische Nachrichten. Berlin, in 1891, in volume 17, pages 313-316

Published in Entomologische Nachrichten, Berlin, in 1891, in volume 17, pages 326-333