Sabethes lutzii is a species name designated a "nomen dubium" i.e., a "dubious (or doubtful) name," for a mosquito specimen that remains insufficiently evidenced to be accepted as a proved species.
[2] Sabethes lutzii was first characterized in 1903 from a damaged specimen collected in Manaós, Brazil, in a letter written by the first scientist to view it, physician Dr. Adolfo Lutz, to entomologist Dr. Frederick V. Theobald who then described it in published literature.
[2][3] The specimen was described as large in relative size, of a very dark blue uniform metallic color, and differing from other species by the lack of white scales marking the femurs.
[4] Theobald indicated that the holotype specimen was in the British Museum (Natural History) collection, but it was not located there by a later researcher.
[2] More recent researchers have speculated that the holotype specimen may be represented by a slide of a mosquito wing marked "da Coll.