Requested reference
Greene, A., Breisch, N. L., Boardman, T., Pagac, B. B., Kunickis, E., Howes, R. K. & Brown, P. V. (2009). The Mediterranean recluse spider, Loxosceles rufescens (Dufour): an abundant but cryptic inhabitant of deep infrastructure in the Washington, D.C. Area (Arachnida: Araneae: Sicariidae). American Entomologist 55(3): 158-167. doi:10.1093/ae/55.3.158 -- Show included taxa