Description of a new species of Typhlodromus Scheuten (Acari: Phytoseiidae) from house dust from Rio Grande do Sul, Brazil Ferla, Noeli Juarez Silva, Guilherme Liberato Da Nascimento, Joseane Moreira Do Zootaxa 2012 3507 84 88 848T 84386 (Anthoseius) Anthoseius [424,761,1051,1078] Arachnida Phytoseiidae Typhlodromus Animalia Mesostigmata 3 87 Arthropoda genus    1. Setae S4and JV4absent.................................................  T. ( A.) demoraesiLofego & Feres, 2007  - Setae S4and JV4present................................................................................ 2   2. Setae JV3absent; most setae on dorsal shield long, knobbed.......................  T. ( A.) transvaalensis(Nesbitt, 1951)  - Setae JV3present; dorsal shield setae short, most of similar lengths, except for Z4and/ or Z5, markedly longer than other setae; at most Z4knobbed.................................................................................... 3   3. Macroseta present only on tarsus IV, knobbed............................................................... 4  - Macrosetae present on genu, tibia and tarsus IV, knobbed or not................................................. 5   4. Setae Z4and Z5serrated, Z4knobbed.............................................  T. ( A.) neobakeriPrasad, 1968  - Setae Z4and Z5serrated and not knobbed..............................  T. ( A.) paraevectusMoraes & McMurtry, 1983.   5. Macrosetae on genu, tibia and tarsus IV not knobbed; calyx of spermatheca bell-shaped; cervix nodular; seta Z5smooth.........................................................................................  T. ( A.) sabelisi  n. sp.  - Macrosetae on genu, tibia and tarsus IV knobbed; calyx of spermatheca slightly vesicular seta Z5strongly serrate.............................................................................  T. ( A.) ornatus( Denmark& Muma, 1973)