A NEW MYRMECOPHILOUS SCARABAEID BEETLE FROM THE PHILIPPINE ISLANDS, WITH A REVIEW OF HAROLDIUS1

a short series of a searabaeid beetle of the genus Havoldius from the Philippines. According to Dr. Darlington, who collected them, "All 6 specimens of the beetle were taken in one nest of ants under a stone in forest. Dr. W. L. Brown tells me that the ant is a D i u c a m m a of the group vaguns F. Smith of the tribe Ponerini. " The specimens are markedly different from HaroIdius globosus, the only species of the genus previously known from the Philippines. Dr. Darlington has kindly donated two of the specimens to the Departamento de Zoologia; one of these has been dissected and upon examination of the genitalia proved to be a female. No sexual dimorphism being apparent in un-dissected specimens, I have decided not to attempt a study of the male genitalia until more material is available. Haroldius philippinensis, n. sp