Mythicomyiinae, Melander, 1902

Mendes, Luanna L., Lamas, Carlos J. E., Evenhuis, Neal L. & Limeira-De-Oliveira, Francisco, 2019, New Pieza Evenhuis (Diptera, Mythicomyiidae, Mythicomyiinae) from Northeast Brazil, Zootaxa 4629 (1), pp. 1-25 : 22-23

publication ID

https://doi.org/10.11646/zootaxa.4629.1.1

publication LSID

lsid:zoobank.org:pub:A8E9B9F1-4CC4-4BF9-81B0-36B1729BCC1B

persistent identifier

http://treatment.plazi.org/id/03D887D1-A307-FFB8-F1A7-8C85FA01422D

treatment provided by

Plazi

scientific name

Mythicomyiinae
status

 

Key to genera of Mythicomyiinae   of the World

(modified from Rafael & Limeira-de-Oliveira (2014)) and to Brazilian species of Pieza  

1 Antenna with one flagellomere; stylus distal, tiny, inconspicuous (visible only in higher magnification); postcranium produced, subequal to eye length............................................. Tamanduamyia Rafael   & Limeira-de-Oliveira

- Antenna with two flagellomeres and stylus placed apically or subapically on second flagellomere; postcranium not produced2

2 Antenna with stylus placed apically on second flagellomere.................................................... 3

- Antenna with stylus placed subapically on second flagellomere................................................. 4

3 Vein A 1 complete, reaching wing margin; costal vein incomplete, ending between R 4+5 and M 1 veins................................................................................................. Mythenteles Hall & Evenhuis  

- Vein A 1 short, incomplete, reaching alular incision level; costal vein circumambient... Mitinha Rafael   & Limeira-de-Oliveira

4 Costal vein circumambient; cell dm fairly short, closed apically............................. Reissa Evenhuis & Baéz  

- Costal vein incomplete, ending just beyond end of vein R 4+5; cell dm much longer than wide or open apically............ 5

5 Wing with well-developed keel-shaped anal lobe; vein separating basal cells not evident; males holoptic... Mythicomyia   ... 6

- Wing with anal lobe normal, not keel-shaped; vein separating basal cells distinct, often well sclerotized; males dichoptic... 7

6 Males with secondary sexual character modifications on the legs (modified shapes of and notches in mid and/or hind legs and presence of pegs and large setae).......................................... Mythicomyia (Mythicomyia) Coquillett  

- Males without secondary sexual character modifications of legs.................... Mythicomyia (Heterhybos) Brèthes  

7 Wing with cell dm open, distal veins faint or effaced; head as wide as or wider than thorax......... Nexus Hall & Evenhuis  

- Wing with cell dm complete; distal veins not faint; head usually narrower than thorax............................ Pieza Evenhuis.   ........................................................................................... 8

8 Mesopleura brown to dark brown, with yellow areas on proepimeron, anepisternum, katepisternum and meron........... 9

- Mesopleura entirely brown, without yellow areas................................................ P. kake Evenhuis  

9 Ejaculatory apodeme not oval medially ( Figs 5 View FIGURES 1–9 , 14 View FIGURES 10–17 , 22 View FIGURES 18–26 , 31 View FIGURES 27–34 , 47 View FIGURES 43–51 , 56 View FIGURES 52–60 , 65 View FIGURES 61–68 ).......................................... 10

- Ejaculatory apodeme oval medially ( Fig. 39 View FIGURES 35–42 ) in ventral view.................................. P. parnasecon   sp. nov.

10 Gonostyli present ( Figs 5–6 View FIGURES 1–9 , 14–15 View FIGURES 10–17 , 22–23 View FIGURES 18–26 , 31–32 View FIGURES 27–34 , 39–40 View FIGURES 35–42 , 56–57 View FIGURES 52–60 , 65–66 View FIGURES 61–68 )....................................... 11

- Gonostyli absent ( Figs 47–48 View FIGURES 43–51 ).............................................................. P. rafaeli   sp. nov.

11 Pseudo-surstyli without strong setae ( Figs 5 View FIGURES 1–9 , 14 View FIGURES 10–17 , 22 View FIGURES 18–26 , 31 View FIGURES 27–34 , 65 View FIGURES 61–68 ) in ventral view...................................... 12

- Pseudo-surstyli with three strong setae ( Fig. 56 View FIGURES 52–60 ) in ventral view.................................. P. silvanae   sp. nov.

12 Basiphallus about 1½–2.0X longer than distiphallus ( Figs 15 View FIGURES 10–17 , 23 View FIGURES 18–26 , 32 View FIGURES 27–34 , 66 View FIGURES 61–68 ); gonostylus not geniculate proximally in lateral view ( Figs 14–15 View FIGURES 10–17 , 22–23 View FIGURES 18–26 , 31–32 View FIGURES 27–34 , 65–66 View FIGURES 61–68 )...................................................................... 13

- Basiphallus about ½ length of distiphallus ( Fig. 6 View FIGURES 1–9 ); gonostylus geniculate proximally in lateral view ( Figs 5–6 View FIGURES 1–9 )................................................................................................... P. ankh   sp. nov.

13 Gonostyli not trifurcate distally ( Fig. 65 View FIGURES 61–68 )...................................................... P. yeatesi   sp. nov.

- Gonostyli trifurcate distally ( Figs 14 View FIGURES 10–17 , 22 View FIGURES 18–26 , 31 View FIGURES 27–34 ).............................................................. 14

14 Cerci sub-hemispherical with distal end spiniform, pointed posteroventrally; gonostyli slender, exceeding posterior margin of epandrium ( Fig. 15 View FIGURES 10–17 )................................................................... P. aurislepus   sp. nov.

- Cerci oval without spiniform distal end pointed posteroventrally; gonostyli short, not exceeding posterior margin of epandrium ( Figs 23 View FIGURES 18–26 , 32 View FIGURES 27–34 )........................................................................................ 15

15 Ejaculatory apodeme with sub-oval ventromedial projection in lateral view ( Fig. 23 View FIGURES 18–26 ); gonocoxites with anterior ventral margin not protuberant medially in anteroventral view ( Fig. 24 View FIGURES 18–26 )...................................... P. bittencourti   sp. nov.

- Ejaculatory apodeme with subquadrate ventro-medial projection in lateral view ( Fig. 32 View FIGURES 27–34 ); gonocoxites with anterior ventral margin protuberant medially in anteroventral view ( Fig. 33 View FIGURES 27–34 ).................................... P. parakake   sp. nov.