Revision of the genus Rutacarus (Acari, Parasitengona, Hydrachnidia) with the description of a new species from Central America Author Valdecasas, Antonio G. text Zootaxa 2008 1693 62 68 journal article 10.5281/zenodo.180672 ba12469b-a635-4499-bac9-a05f6ff12cb5 1175-5326 180672 Key to Rutacarus species 1 Palp with two setae on ventral side of P-II and P-IV widened anteriorly ( Fig. 4 )..................................... ....................................................................................................... Rutacarus pyriformis Lundblad, 1937 - Palp with one setae on ventral side of P-II and not widened anteriorly ( Fig. 9 )......................................2 2(1) Median margin of fourth coxae reaching the end of genital field ( Figs. 5 , 8 ).........................................3 - Median margin of fourth coxae end about half way of genital field ( Fig. 6 )...........................................5 3(2) Posterior dorsoglandularia on a chitinous swelling on the dorsal furrow. Body circular. Anterior coxae does not project beyond anterior end of ventral shield ( Fig. 3 ) ................................................................. ......................................................................................... Rutacarus angelieri Orghidan and Gruia, 1983 - Posterior dorsoglandularia not on a chitinous swelling of the dorsal furrow. Dorsal shield with 3 or 4 pairs of glandularia. Body more or less elliptic. Anterior coxae projecting beyond anterior end of ventral shield........................................................................................................................................................4 4(3) Postocularia and four pairs of dorsoglandularia incorporated into the dorsal shield. Body shape elongated .................................................................................................... Rutacarus ferradasae Cook, 1980 - Postocularia and three pairs of dorsoglandularia incorporated into the dorsal shield. Body shape globular .......................................................................................................................... Rutacarus annae n. sp. 5(3) Body shape elongated-oval; with a long seta at the end of IV-leg-6; anteriorly directed ridge from insertion of fourth legs well-developed; ridges in dorsal shield ...................... Rutacarus sasonus Cook, 1986 - Body shape circular; without a long setae at the end of IV-leg-6; without anteriorly directed ridge from insertion of fourth legs; no dorsal ridges ................................................ Rutacarus stygius Harvey, 1990