ABSTRACT
The author describes the occurrence of Pelonyssus reedi (Zump & Patterson, 1952) (Acari: Mesostigmata) in an artificial nest of house wren Troglodytes aedon (Passeriformes: Troglodytidae) in the urban area of Pelotas, RS, Brazil. This report characterizes the first citation for this mite in the state and it seems to be the first citation in Brazil.
KEY WORDS:
Mite; Pelonyssus reedi; nest; Troglodytes aedon, southern house wren.