Holarctic sawflies (Hymenoptera : Symphyta)
Published in Bulletin of the British Museum (Natural History) (Entomology), in 1962, in volume 12, issue 1, pages 379-409
Date published:1962
Published in Bulletin of the British Museum (Natural History) (Entomology), in 1962, in volume 12, issue 1, pages 379-409
Date published:1962