Zavrelia Kieffer & Bause 1913
Creators: name: Namayandeh, Armin
name: Hudson, Patrick L.
name: Ghaderi, Edris
name: Stott, Wendylee
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Chironomidae
Zavrelia

description: Key to adult males of Zavrelia
1. Anal point densely covered with strong spinulae............................................................. 2
- Anal point bare, with microtrichia or short spinules only...................................................... 3
2. Anal point spinulae of varying size and shapes but never very long, ≤ 4 × as long as wide (Ekrem and Stur, 2009: Fig. 8E; Giłka 2008: Fig. 4)........................................................ Z. pentatoma Kieffer & Bause (Palearctic) *
- Anal point spinulae very long, ≥ 8 × as long as wide (Fig. 3D–E).................... Z. parapentatoma sp. n. (Nearctic) *
3. Setiger of superior volsella with conspicuous constriction in apical 1/3........................................... 4
- Setiger of superior volsella without conspicuous constriction in apical 1/3........................................ 6
4. Setiger of superior volsella with pointed apex (Ekrem and Stur, 2009: Fig. 5E)...... Z. clinovolsella Guo & Wang (Oriental)
- Setiger of superior volsella with somewhat rectangular apex................................................... 5
5. Anal point with only a few microtrichia in between crests; distinct microtrichia-free areas on anal tergite around the base of anal point (Ekrem and Stur, 2009: Fig. 10E)......................................... Z. sinica Ekrem & Stur (Palearctic)
- Anal point with numerous microtrichia in between crests; microtrichia present all around the base of anal point (Zorina 2008: Figs. 13–14).......................................................... Z. pseudopentatoma Zorina (Palearctic)
6. Anal point with small spinules in between crests............................................................. 7
- Anal point bare, or with microtrichia in between crests at most................................................. 9
7. AR close to 0.6................................................................ Zavrelia casasi Ekrem & Stur
- AR> 0.7............................................................................................ 8
8. AR 1.23; wing length about 1.50 mm; LR 1 about1.45; laterosternite with one seta; anal point with small spinules scattered between the entire length of anal crests (Ekrem & Stur 2009: Fig. 12E)..... Z. tusimatijea (Sasa & Suzuki, 1999) (Palearctic)
- AR 0.91–1.08; wing length 0.88–1.04 mm; LR1 about 2.09; laterosternite without seta; anal point with small spinules scattered between anal crests at anal point base only (Guo and Wang, 2007: Fig. 3; Lin & Wang 2017: Figs. 8–9)........................................................................................ Z. bragremia Guo & Wang (Oriental)
9. Anal point bare...................................................................................... 10
- Anal point with microtrichia in between crests............................................................. 11
10. AR 1.00–1.18; LR 1 1.36–1.46; superior volsella with pointed apex (Zorina, 2008: Figs. 1–2).... Z. elenae Zorina (Palearctic)
- AR 0.45; LR1 1.96; superior volsella with rounded apex (Kobayashi 2014: Fig. 7)......................................................................................... Z. simantoneoa (Sasa, Suzuki & Sakai, 1998) (Palearctic)
11. Wing length 1.40 mm; AR close to 0.75....................................... Z. hudsoni Ekrem & Stur (Nearctic)
- Wing length close to 1.00 mm; AR close to 0.90................................. Z. aristata Ekrem & Stur (Nearctic)
description: Published as part of Namayandeh, Armin, Hudson, Patrick L., Ghaderi, Edris & Stott, Wendylee, 2023, Zavrelia parapentatoma (Chironomidae: Diptera), a curious new species from North America, revealed by molecular methods, pp. 111-124 in Zootaxa 5249 (1) on page 120, DOI: 10.11646/zootaxa.5249.1.6, http://zenodo.org/record/7685359