Six new species of Microvelia are described from North and Central America: depressus, glabrosulcata, leavipleura, paura, psilonota, and reflexus. These species are compared to Microvelia austrina Bueno, and the austrina group is designated to hold them. The habitats and phoresy of the group are discussed.
Polhemus, John T.
"The austrina group of the genus Microvelia (Hemiptera: Veliidae),"
Great Basin Naturalist: Vol. 34
, Article 5.
Available at: http://scholarsarchive.byu.edu/gbn/vol34/iss3/5