4. Pison lagunae Ashmead, U. S. Nat. Mus., Proc. 28: 131, 1905.

Piti, July 11, Swezey, one specimen.

This Philippine species was collected by Fullaway in Guam in 1911. There are ten specimens of it in the collection at Bishop Museum. I obtained only one specimen, identified by F. X. Williams.