Eudexia, Brauer & Bergenstamm, 1889

Santis, Marcelo Domingos De, 2021, The Neotropical genus Eudexia Brauer & Bergenstamm, 1889 (Tachinidae: Dexiinae: Dexiini): lectotype fixation for the type species, synonymy and a new species from Brazil, Zootaxa 5004 (4), pp. 538-550 : 540

Key to the species of Eudexia

1 Prementum long, about 2x length of head....................................................... E. brevicornis

- Prementum short, at most 0.5x length of head.............................................................. 2

2 Abdomen without pruinosity and with a dorsal brownish black median vitta interrupted from syntergite 1+2 to tergite 5... 4

- Abdomen with whitish pruinosity on tergites 3 to 5 and with a dorsal and continuous median vitta uninterrupted from syntergite 1+2 to tergite 5....................................................................................... 3

3 Postpedicel orange; upper calypter hyaline; abdomen with an inconspicuous and narrow brownishblack median vitta............................................................................................. E. lopesi sp. nov.

- Postpedicel light brown, but proximal 1/5 dark yellow; upper calypter smoky to light brown or hyaline with distal margin light brown; abdomen with a conspicuous and broad brownish black longitudinal vitta.......................... E. grandis

4 Tergite 5 black, abdomen light yellow to tawny yellow in ground color.......................................... 5

- Tergite 5 pale brownish, abdomen slightly reddish-yellow to yellow in ground color..................... E. colombiana

5 Postpronotal lobe, notopleuron, posterior callus and scutellum reddish-yellow in ground color.............. E. dreisbachi

- Postpronotal lobe, notopleuron, posterior callus and scutellum brownish-black in ground color....................... 6

6 Upper calypter hyaline, with distal margin light brown; abdominal tergites 3 and 4 with a well-developed and conspicuous dorsal brownish black median vitta where the discal setae arise.................................... E. formidabilis

- Upper calypter dark brown; abdominal tergites 3 and 4 with a very thin dorsal brownish black median vitta and an inconspicuous median vitta where the discal setae arise..................................................... E. orientalis