Results of the Yale Peruvian Expedition of 1911. Hymenoptera, superfamilies Vespoidea and Sphecoidea
Published in Proceedings of The United States National Museum, in 1913, in volume 44, pages 439-454
Date published:1913
Published in Proceedings of The United States National Museum, in 1913, in volume 44, pages 439-454
Date published:1913