Pseudochironomini Saether 1977
Creators: name: Trivinho-Strixino, Susana
name: Shimabukuro, Erika Mayumi
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Chironomidae

description: Key to known males of Brazilian Pseudochironomini
1. Fore tibial comb with a long spur....................................................... Pseudochironomini ….2
- Fore tibia without comb....................................................................... Chironomini
2. Wing with dark marks; anal point present and well developed; median volsella long.................. Aedokritus Roback
- Wing without marks; median volsella if present, not long...................................................... 3
3. Pars ventralis present.......................................................... Pseudochironomus Malloch …4
- Pars ventralis absent or, if present, represented by 2 triangular lobes basally fused to gonocoxite..................... 10
4. Posterior margin of tergite IX with median notch............................................................ 5
- Posterior margin of tergite IX without median notch.......................................................... 7
5. Adult male length> 4.0 mm, wing length ± 3.0 mm......................... P. ruah Shimabukuro & Trivinho-Strixino
- Adult male length <4.0mm, wing length <3.0 mm...........................................................6
6. Tergite IX with protruding end projecting from the tergite; median volsella thin with one apical seta and another seta right above it........................................................ P. mocidade Shimabukuro & Trivinho-Strixino
- Tergite IX without protruding end; median volsella thin, bearing 2 long and strong apical setae........................................................................................ P. jordensis Shimabukuro & Trivinho-Strixino
7. Pars ventralis completely divided, leaf-shaped; median volsella with 1 apical seta and other one subapical................................................................................ P. surianae Shimabukuro & Trivinho-Strixino
- Pars ventralis divided or partially divided at the apex, not leaf shaped; median volsella with 2–3 apical setae............. 8
8. Pars ventralis completely divided; median volsella rounded with 2 setae............................ P. ariquemis sp. n.
- Pars ventralis fused or partially divided at the apex; median volsella short semi triangulate............................9
9. Superior volsella with a sclerotized internal projection; median volsella with 1-2 simple setae........... P. boraceia sp. n.
- Superior volsella without a sclerotized at internal projection; median volsella with 2–3 simple setae...... P. capivara sp. n.
10. Superior volsella with short ventral digitus............................................... .. Manoa obscura Fittkau
- Superior volsella without digitus........................................................... Riethia Kieffer ....11
11. Tergite IX with unusual caudal projection resembling an inverted U; inferior volsella very large and distally truncated............................................................................................... R. fazzari sp. n.
- Tergite IX without caudal projection; inferior volsella not as above............................................. 12
12. Superior volsella short and hooklike; inferior volsella triangular with 2–3 distal marginal large and curved scales.................................................................................................. R. galilei sp. n.
- Superior volsella long; inferior volsella not triangular, with or without marginal scales.............................. 13
13. Inferior volsella without marginal scales and with about 20 flattened and apically pectinated scales setae.............................................................................................. R. truncatocaudata (Edwards)
- Inferior volsella with marginal scales and less than 20 flattened and apically pectinated scales........................ 14
14. Inferior volsella with marginal long and large scales.............................................. R. cauame sp. n.
- Inferior volsella with large marginal scales................................................................ 15
15. Inferior volsella with 7 marginal broad scales and 6 apically pectinate dorsal setae..................... R. pantera sp. n.
- Inferior volsella with 3 marginal distal flattened scales and 15 apically pectinate................................................................................................. R. manauara Neubern, Trivinho-Strixino and Silva
description: Published as part of Trivinho-Strixino, Susana & Shimabukuro, Erika Mayumi, 2018, Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species, pp. 245-260 in Zootaxa 4403 (2) on page 258, DOI: 10.11646/zootaxa.4403.2.2, http://zenodo.org/record/1212143