Cryptochironomus
Creators
Description
Cryptochironomus ? ramus var.
Cryptochironomus sp. B Chang et al. 1994: 13.
Material examined. CANADA: Manitoba, Lake Winnipeg records: 3 km off McCreary Island, 1 male, 15.vii. 1969; Gimli Government Wharf, 24.vii. 1969; Beaver Point, 9 males, 7.vii.–6.viii. 1971; Beaver Creek, 2 males, 22–29.vii. 1971.
Six males from Lake Winnipeg have a lower AR and LR, and are smaller than the other C. ramus. They may represent another species or be merely a variety or form of C. ramus. On an average, their size is 22% smaller than that found in males of C. ramus. Some measurements are (n=6): Total length 5.27–6.29, 5.72 mm. Wing length 2.37–2.80, 2.53 mm. Total length/Wing length 2.22–2.48, 2.32.
Head. AR 2.52–2.80, 2.68. Temporals 24–32, 28. Clypeus with 11–20, 17 setae. Tentorium 153–173 long.
Thorax. Dorsocentrals 13–19, 15; prealars 5–8, 7. Scutellum with 16–36, 27 setae.
Wing. R4+5 with 12–17, 14 setae. Squama with 10–18, 15 setae.
Legs. LR1–3: 1.31–1.47, 1.40; 0.52–0.56, 0.54; 0.63–0.67, 0.65.
Hypopygium. Gonocoxite 176–200, 190 µm; gonostylus 176–186, 182 µm.
Notes
Files
Files
(1.6 kB)
Name | Size | Download all |
---|---|---|
md5:34c7ddbec9793166dee9033352fea902
|
1.6 kB | Download |
System files
(7.7 kB)
Name | Size | Download all |
---|---|---|
md5:c1cb34082c4f1cd1e2c86b996591d9fd
|
7.7 kB | Download |
Linked records
Additional details
Identifiers
Related works
- Is part of
- Journal article: 10.5281/zenodo.189776 (DOI)
- Journal article: http://publication.plazi.org/id/FF93EC16FFF7E06D1347FF87FFA8FFC6 (URL)
- Is source of
- https://sibils.text-analytics.ch/search/collections/plazi/03AA946EFFFAE06313D0F88FFB90FE2B (URL)
- https://www.gbif.org/species/119622958 (URL)
- https://www.checklistbank.org/dataset/40635/taxon/03AA946EFFFAE06313D0F88FFB90FE2B.taxon (URL)
Biodiversity
- Family
- Chironomidae
- Genus
- Cryptochironomus
- Kingdom
- Animalia
- Order
- Diptera
- Phylum
- Arthropoda
- Taxon rank
- genus
References
- Chang, P. S. S., Cobb, D. G., Flannagan, J. F. & Saether, O. A. (1994) Light trap collections of mayflies, caddis flies and chironomids from Lake Winnipeg during 1969 and 1971. Canadian Data Report of Fisheries and Aquatic Sciences, 2223, 27 pp.