A new species of the Hymenopterous genus Scleroderma from the Galapagos Islands /
Una nueva especies del género hymenoptero Scleroderma de las Islas Galápagos
by Charles T. Brues
- 1919.
- 309-310 p.
- Expedition of the California Academy of Sciences to the Galapagos Islands, 1905-1906 .