Laurenceomyia Wagner & Stuckenberg

Canneva, Bruno, 2019, A new species of Laurenceomyia Wagner & Stuckenberg, with a key to species and new records for Psychodidae (Diptera) from Uruguay, Zootaxa 4544 (3), pp. 407-418 : 410

Key to Laurenceomyia Wagner & Stuckenberg species based on male morphology

*For diagnosis of genus see Wagner & Stuckenberg (2016). L. pallipes not included in the key.

1 Abdominal segments without lateral extensions nor ornamental setulae........................................... 2

- At least fifth abdominal segment with lateral extensions bearing ornamental setulae................................. 3

2 Gonostylus nearly straight and club like, with terminal bifurcation not well developed; Gonocoxite with subapical internal lobe with its apex divided into a rounded fore sub-lobe and a conical rear sub-lobe................... L. dampfianus Alexander

- Gonostylus bifurcates distally into two well developed branches; Gonocoxite with subapical internal lobe not clearly divided....................................................................................... L. pillipes Tonnoir

3 All abdominal segments covered with ornamental setulae..................... L. capixaba Santos, Falqueto & Alexander

- Only fifth abdominal segment bearing ornamental setulae...................................................... 4

4 Basal half of gonostylus not thickened; dorsal and ventral branches from bifurcation of gonostylus slender in the apices............................................................................... L. similis Wagner & Stuckenberg

- Basal half of gonostylus thickened; dorsal and ventral branches from bifurcation of gonostylus stout in the apices............................................................................................. L. martinezae sp. nov.