Four new Neotropical species of Trigonometopus Macquart, 1835 (Diptera, Lauxaniidae)

The genus Trigonometopus Macquart (1835) currently includes 13 species, found in most biogeographic regions, being absent from the Afrotropical and Australian Regions. The genus included six known Neotropical species and four new species are herein added to the genus: T. assisensis sp. nov., T. boraceiensis sp. nov., T. lourdesae sp. nov., and T. mariae sp. nov., the first two from the State of São Paulo, the other two respectively from the states of Mato Grosso do Sul and Santa Catarina. A key for the exclusively Neotropical species of the genus is provided