Dipogon graenicheri atratus Townes, 1957:139, Paratype ♀, Chesilhurst, N. J., June 25, 1939 (Townes, leg. H. Townes); Type ♀, Wake County, N. C., June 18, 1949 (Townes, leg. H. Townes). - Krombein, 1958Krombein, K.V. 1958. Family Pompilidae. In: Krombein, K.V. (Ed.). Hymenoptera of America North of Mexico - Synoptic Catalog. Washington: U.S. Department of Agriculture. Agriculture Monograph No. 2. First Supplement, 305 pp. 170-186. (distribution); Krombein et al., 1979Krombein, K.V., P.D. Hurd, D.R. Smith & B.D. Burks 1979. Catalog of Hymenoptera in America North of Mexico. Volume 2. Apocrita (Aculeata). Smithsonian Institution Press, Washington D.C. 1199-2209. (distribution); Hook, 1998Hook, A.W. 1998. New distribution records of aculeate wasps in Texas and adjacent states (Hymenoptera: Sphecidae, Pompilidae, Mutillidae). Southwestern Naturalist 43 (2):249-255. (distribution); Leavengood, Jr. J.M. et al., 2011Leavengood, Jr. J.M., Waichert, C. & Rodriguez, J. 2011. A distributional checklist of the spider wasps (Hymenoptera: Pompilidae) of Florida. Insecta Mundi 0161 (March 2011):1-8. (distribution); Leavengood et al., 2011Leavengood, J.M., C.Waichert & J. Rodriguez 2011. A distributional checklist of the spider wasps (Hymenoptera: Pompilidae) of Florida. Insecta Mundi 0161:1-8. (distribution).