Attributes / relations provided by ♦ 1
Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org ♦ 2Study of Northern Virginia Ecology ♦ 3Predator-Prey Database for the family Asilidae
(Hexapoda: Diptera) Prepared by Dr. Robert Lavigne, Professor Emeritus, University of Wyoming, USA and Dr. Jason Londt (Natal Museum, Pietermaritzburg) ♦ 4
Robertson, C. Flowers and insects lists of visitors of four hundred and fifty three flowers.
1929. The Science Press Printing Company Lancaster, PA.