Published February 28, 2023 | Version v1
Taxonomic treatment Open

Zavrelia Kieffer & Bause 1913

  • 1. Department of Environmental and Life Sciences, Trent University, 1600 West Bank Drive, Peterborough, ON, Canada. arminnamayandeh @ trentu. ca; a. namayan @ taxanama. com; https: // orcid. org / 0000 - 0003 - 2136 - 0497
  • 2. 5597 New Meadow Drive, Ypsilanti, MI 48197.
  • 3. Department of Fisheries Sciences, Faculty of Natural Resources, University of Kurdistan, Sanandaj, Iran. & Department of Fisheries and Aquatic Ecology, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.
  • 4. Department of Fisheries and Oceans, Arctic and Aquatic Research Division, 501 University Cr., Winnipeg, MB, Canada. Wendylee. Stott @ dfo-mpo. gc. ca; https: // orcid. org / 0000 - 0002 - 5252 - 4901

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)

Notes

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

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Linked records

Additional details

Biodiversity

Scientific name authorship
Kieffer & Bause
Kingdom
Animalia
Phylum
Arthropoda
Order
Diptera
Family
Chironomidae
Genus
Zavrelia
Taxon rank
genus
Taxonomic concept label
Zavrelia Kieffer, 1913 sec. Namayandeh, Hudson, Ghaderi & Stott, 2023

References

  • Ekrem, T. & Stur, E. (2009) A review of the genus Zavrelia (Diptera: Chironomidae). European Journal of Entomology, 106, 119. https: // doi. org / 10.14411 / eje. 2009.016
  • Gilka, W. (2008) An intraspecific morphological variability of Zavrelia pentatoma Kieffer (Diptera: Chironomidae). Dipteron, Bulletin of the Dipterological Section of the Polish Entomological Society, 24, 11 - 15.
  • Zorina, O. V. (2008) Russian Zavrelia Kieffer (Diptera: Chironomidae), with the description of two new species. Zootaxa, 1845 (1), 60 - 68. https: // doi. org / 10.11646 / zootaxa. 1845.1.4
  • Lin, X. L. & Wang, X. H. (2017) A redescription of Zavrelia bragremia Guo & Wang, 2007 (Diptera: Chironomidae). CHIRONOMUS Journal of Chironomidae Research, 30, 67 - 71. https: // doi. org / 10.5324 / cjcr. v 0 i 30.2345
  • Kobayashi, T. (2014) A redescription of Zavrelia simantoneoa (Sasa, Suzuki and Sakai, 1998) comb. nov. CHIRONOMUS Journal of Chironomidae Research, 27, 41 - 44. h