Ljunghia (Ljunghia) luciae n. sp., associated with mygalomorph spiders, is described on the basis of material from Cyclosternum fasciatum (Cambridge, 1892) (Araneae, Theraphosidae) kept in captivity. Adults with dorsal shield reaching the posterior margin of dorsum and bearing 31 or 32 pairs of setae long and slightly serrate, except setae J5 short (21 podonotal and 11 opisthonotal); 15 or 16 pairs of ventral setae. Male sterno-genito-ventrianal shield with 11 pairs of ventral setae. A key to species of the genus, based on adult females and males, is given.
Arachnida, Acari, Mesostigmata, Laelapidae, Ljunghia luciae n. sp., Araneae, Theraphosidae, new species.