Nilotanypus Kieffer 1923
Creators: name: Shimabukuro, Erika Mayumi
name: Dantas, Galileu P. S.
name: Lamas, Carlos José Einicker
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Chironomidae
Nilotanypus

description: Key to identify males of Nilotanypus Kieffer species (modified from Cheng & Wang 2006)
1a. Pseudospurs present on mid tarsi......................................................................... 2
1b. Pseudospurs absent on mid tarsi.......................................................................... 4
2a. Pseudospurs present on fore ta 1 –ta 2; gonostylus with an inner lamella (Roback 1986, fig. 8) (Nearctic)..................................................................................................... N. fimbriatus (Walker)
2b. Pseudospurs apparently absent on fore tarsi; gonostylus without lamella.......................................... 3
3a. Total length about 0.80 mm; abdominal tergites I–V light brown, tergites VI–IX and hypopygium brown; tergite IX with slightly concave posterior margin (Neotropical)...................................... N. pusillus Andersen & Pinho
3b. Total length 1.97–2.20 mm; abdomen uniformly pale brown to colorless; tergite IX with markedly concave posterior margin (Neotropical)................................................................... N. urubici Andersen & Pinho
4a. Wing with marks..................................................................................... 5
4b. Wing without marks................................................................................... 6
5a. Wing with single mark in basal half (Australian).............................................. N. parvus (Freeman)
5b. Wing with two transverse marks in basal one-fourth (Palaearctic).............................. N. minutus (Tokunaga)
6a. Anal point quadrate (Oriental)..................................................... N. quadratus Cheng & Wang
6b. Anal point conical..................................................................................... 7
7a. Macrotrichia restricted to apex of wing (Afrotropical)...................................... N. remotissimus Kieffer
7b. Whole wing covered with macrotrichia.................................................................... 8
8a. Abdomen distinctly colored, TI–TV yellow and TVI–TVIII brown...................... N. polycanthus Cheng & Wang
8b. Abdomen unicolored.................................................................................. 9
9a. Abdomen dark, brown to black, tergite IX with straight posterior margin........................................ 10
9b. Abdomen pale, tergite IX with concave posterior margin..................................................... 11
10a. Legs with dark setae; megaseta large,>13 μm long (Lehmann 1979, fig. 22, p. 109) (Afrotropical).... N. comatus (Freeman)
10b. Legs without dark setae; megaseta small, about 6 μm long (Fittkau 1962, fig. 376, p. 413) (Palaearctic).. N. dubius (Meigen)
11a. AR: 0.5–0.6; gonostylus with a slight inner lamella (Roback 1986, fig. 11); tergite IX with 6–8 setae (Nearctic).............................................................................................. N. kansensis Roback
11b. AR: 0.3; gonostylus without inner lamella; tergite IX with 2 setae (Neotropical)..................... N. yanomami sp. n.
description: Published as part of Shimabukuro, Erika Mayumi, Dantas, Galileu P. S. & Lamas, Carlos José Einicker, 2021, A new madicolous species of Nilotanypus Kieffer (Diptera: Chironomidae) from Amazon region, northwestern Brazil, pp. 431-438 in Zootaxa 4948 (3) on page 437, DOI: 10.11646/zootaxa.4948.3.7, http://zenodo.org/record/4637789