Diverse Neuropterida in Cretaceous amber, with particular reference to the paleofauna of Myanmar (Insecta)Michael S. Engel · First published 2008Open the Tome
A new species of the bee genus Eoanthidium with extraordinary male femoral organs from the Arabian Peninsula (Hymenoptera: Megachilidae)Michael S. Engel · First published 2004Open the Tome
Classification of the bee tribe Augochlorini (Hymenoptera: Halictidae)Michael S. Engel · First published 2000Open the Tome
New genera and subgenera of augochlorine bees (Hymenoptera: Halictidae)Michael S. Engel, Robert W. Brooks, Douglas Yanega · First published 1997Open the Tome