Genus Acalvolia (Acari: Winterschmidtiidae), with the description of a new species from the USA Author Fan, Qing-Hai Author George, Sherly Author Kumarasinghe, Lalith text Zootaxa 2010 2719 41 61 journal article 10.5281/zenodo.199844 2945e151-78db-47bf-9803-8fe692d64d34 1175-5326 199844 Key to the known species of genus Acalvolia 1. Ratio sce : sci = 4.6; dorsal idiosomal setae c1 , d1 and e1 length less than two thirds the distance between their bases and the bases of setae in next row; supracoxal setae barbed ........................ Acalvolia squamata ( Oudemans, 1909 ) Ratio sce : sci = 2.5 ( Figs. 1 and 6 ); setae c1 , d1 and e1 reaching or overlapping bases of setae in next row ( Figs. 1 and 6 ); supracoxal setae smooth ( Figs. 3 and 8 ) ................................................................... Acalvolia americana sp. nov.