Key to species of Diptilostatus females

(based on Flechtmann & Moraes 2003 and Flechtmann 2004)

1. Setae e not extending beyond the bases of subsequent seta; empodium with each branch 8–rayed..... Dip. chimarricus n. sp.

- Setae e extending beyond the bases of subsequent seta; empodium with each branch 5–rayed......................... 2

2. Frontal lobe absent........................................................................ Dip. nudipalpus

- Frontal lobe present....................................................................................3

3. Coxae I with a few paraxial granules; prodorsal shield design with a faint median line on posterior half, admedian and sub- median lines joined by a posterior transverse, arched line and anterolateral lines............................ Dip. mesae

- Coxae smooth; prodorsal shield design with more than one faint median lines, approximate on anterior two thirds and farther apart on posterior third; faint admedian and submedian lines on anterior two thirds; a few lines laterally........ Dip. lofegoi