original descriptionChamberlin, R. V. (1925). Notes on some centipeds and millipeds from Utha. Pan-Pacific Entomologist, 2(2): 55-63 page(s): 62 [details]
original description(ofUnderwoodia hespera Chamberlin, 1925)Chamberlin, R. V. (1925). Notes on some centipeds and millipeds from Utha. Pan-Pacific Entomologist, 2(2): 55-63 page(s): 63 [details]
additional sourceHoffman, R. L. (1999). Checklist of the millipedes of North and Middle America. <em>Virginia Museum of Natural History, special publication.</em> 8: 1-584., available online athttps://www.biodiversitylibrary.org/page/63590410 page(s): 264 [details]
additional sourceChamberlin, R. V. (1930). On some centipeds and millipeds from Utah and Arizona. <em>Pan-Pacific Entomologist.</em> 6:111 -121. page(s): 121 [details]
Present Inaccurate Introduced: alien Containing type locality