New insights into the systematics of Parasitiformes (Acarina) with new species from South America
Karg, W. and Schorlemmer, A.  Origin and classification of the Ixodides (ticks) within the Parasitiformes Reuter, 1909 (Acarina)
Karg, W. and Shorlemmer, A.  The predatory mite family Leptolaelapidae Karg (Acarina, Parasitiformes)
Karg, W.  New species of predatory mites of the genus Gamasiphis Berlese, 1904 (Acarina, Parasitiformes)
Karg, W.  New species of predatory mites of the genus Pseudoparasitus Oudemans, 1902 (Acarina, Parasitiformes)
Karg, W.