Cave millipeds of the United States. V. The genus Idagona Buckett & Gardner (Chordeumatida, Conotylidae, Idagoninae) Author Shear, William A. text Zootaxa 2007 1463 1 12 journal article 10.5281/zenodo.176487 815f47b1-6767-416f-a0bf-f925b54845fa 1175-5326 176487 Key to species of Idagona , based on males 1a. Legs 4 with femora swollen and bearing a median pore ( Fig. 13 ); gonopod with complex, fimbriate subterminal branch ( Figs. 4 , 21, 22 ); SE Nevada................................................................. lehmanensis n. sp . 1b. Legs 4 with femora not swollen, not bearing a median pore, subterminal branch of gonopod lacking......2. 2a. Anterior gonopod with few teeth along apicolateral surface ( Figs. 3 , 7); adenostyles of legs 3 with distinct basal constriction ( Fig. 11 ); N Utah......................................................................................... jasperi n. sp . 2b. Anterior gonopod with many strong teeth along apicolateral surface, teeth arranged in irregular, overlapping rows ( Figs. 1, 2 , 5, 6); adenostyles of legs 3 lacking basal constriction ( Figs. 9, 10 ); S Idaho ............. ......................................................................................................................... westcotti Buckett & Gardner.