Cryptotendipes Lenz

• Main Authors: Yan, Chuncai, Tang, Hongqu, Wang, Xinhua
• Format: Text
• Language: unknown
• Published: Zenodo 2005
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Diptera; Chironomidae; Cryptotendipes; Canada; Seta; Midland; Usma; Sakhalin
• Online Access: https://dx.doi.org/10.5281/zenodo.6265103; https://zenodo.org/record/6265103

Key to males of Cryptotendipes Lenz 1. Inner margin of gonostylus with basal or median projection........................................ 2 ­ Inner margin of gonostylus without projection........................................................... 19 2. Inner margin of gonostylus with median projection..................................................... 3 ­ Inner margin of gonostylus with basal projection....................................................... 11 3. Anal point short, not longer than superior volsella....................................................... 4 ­ Anal point relatively long, longer than superior volsella.............................................. 5 4. Superior volsella columniform and straight, anal point rounded at apex........................ ................................................................. C. nigronitens (Edwards, 1929) (Palaearctic) ­ Superior volsella digitiform and curved, anal point pointed at apex.............................. ......................................................................... C. pflugfelderi Reiss, 1964 (Palaearctic) 5. Anal point with setae in basal half................................................................................ 6 ­ Anal point entirely without setae.................................................................................. 7 6. AR 2.4, superior volsella with 2 apical setae and without lateral setae.......................... ....................................................................... C. usmaensis (Pagast, 1931) (Palaearctic) ­ AR 1.58, superior volsella with 1 apical seta and 2 lateral setae.................................... .............................................................. C. tobatertius Kikucki & Sasa, 1990 (Oriental) 7. Superior volsella without microtrichia ............... C. emorsus (Townes, 1945) (Nearctic) ­ Superior volsella with microtrichia............................................................................... 8 8. Anal tergite with high ridge ............................ C. casuarius (Townes, 1945) (Holarctic) ­ Anal tergite without ridge.............................................................................................. 9 9. Superior volsella distinctly bilobed C. daktylos (Walley in Curran, 1934) (Neotropical) ­ Superior volsella not bilobed....................................................................................... 10 10. Superior volsella curved, swollen at apex and truncate, anal point tapering to point..... .............................................................................. C. pilicuspis Saether, 1977 (Nearctic) ­ Superior volsella straight, not swollen at apex, anal point parallel­sided to point.......... ..................................................................................... C. parallelus sp. n. (Palaearctic) 11. Tergite IX with pair of dorsal or ventral lobes............................................................ 12 ­ Tergite IX without lobes.............................................................................................. 14 12. Frontal tubercles absent, superior volsella pointed at apex, without microtrichia.......... .......................................................... C. tobasecundus Kikucki & Sasa, 1990 (Oriental) ­ Frontal tubercles present, superior volsella obtuse at apex, covered by microtrichia. 13 13. Bands of tergite IX joined, superior volsella constricted in middle, widened at apex.... ............................................................................... C. acalcar Reiss, 1990 (Palaearctic) ­ Bandsoftergite IXseparated,superior volsellaslightly swollen in middle,roundedat apex .................................................... C. mongolkeleus (Sasa & Suzuki, 1997) (Palaearctic) 14. Tergite IX with distinct caudolateral shoulders ... C. darbyi (Sublette, 1960) (Holarctic) ­ Tergite IX without caudolateral shoulders.................................................................. 15 15. Superior volsella covered by microtrichia.................................................................. 16 ­ Superior volsella without microtrichia........................................................................ 17 16. AR 2.26–2.66, superior volsella twice as wide at base as at middle, gonostylus obtuse at apex ........................................ C. mongoljekeus (Sasa & Suzuki, 1997) (Palaearctic) ­ AR 3.1–3.5, width of superior volsella at base equal to at middle, gonostylus pointed at apex ..................................................................... C. ariel (Sublette, 1960) (Nearctic) 17. Anal point without lateral setae ........ C. daitogeheus Sasa & Suzuki, 2001 (Palaearctic) ­ Anal point with lateral setae........................................................................................ 18 18. Gonostylus rounded at apex, superior volsella straight, with apical and lateral setae. LR 1.34–1.44 ................................... C. mongolijeus Sasa & Suzuki, 1997 (Palaearctic) ­ Gonostyluspointedatapex,superiorvolsellacurved,withapical setaeonly.LR 1.69–1.84 ............................................................................. C. nodus sp. n. (Oriental, Palaearctic) 19. Tergite IX with distinct caudolateral shoulders........................................................... 20 ­ Tergite IX without caudolateral shoulders.................................................................. 21 20. Anal point widest at base, parallel­sided, superior volsella not sclerotized.................... .................................................................................. C. lenzi Zorina, 2001 (Palaearctic) ­ Anal point widest at apex, superior volsella sclerotized................................................. ........................................................................... C. secundus Zorina, 2003 (Palaearctic) 21. Gonostylus apically pointed .................................. C. holsatus Lenz, 1959 (Palaearctic) ­ Gonostylus apically rounded .............. C. pseudotener (Goetghebuer, 1922) (Holarctic) : Published as part of Yan, Chuncai, Tang, Hongqu & Wang, Xinhua, 2005, A review of the genus Cryptotendipes Lenz (Diptera: Chironomidae) from China, pp. 1-24 in Zootaxa 1086 on pages 20-21, DOI: 10.5281/zenodo.170487 : {"references": ["Edwards, F. W. (1929) British non-biting midges (Diptera: Chironomidae). Transactions of the Royal Entomological Society of London, 77, 279 - 439.", "Reiss, F. (1964) Eine neue Chironomidenart aus dem Bodensee Chironomidenstudien I. (Diptera: Chironomidae). Beitrage zur Entomologie, 14, 63 - 70.", "Pagast, F. (1931) Chironomiden aus der Bodenfauna des Usma-Sees In Kurland. Folia Zoologica hydrobiologia, 3, 199 - 248.", "Kikuchi, M. & Sasa, M. (1990) Studies on the chironomid midges (Diptera, Chironomidae) of the Lake Toba area, Sumatra, Indonesia. Japanese Journal of Sanitary Zoology, 41, 291 - 329.", "Townes, H. K. J. (1945) The Nearctic species of Tendipedini (Diptera, Tendipedidae) (= Chironomidae). American Midland Naturalist, 34, 1 - 206.", "Curran, C. H. (1934) The Templeton Crocker expedition of the California Academy of Sciences, 1932. No. 13. Diptera. Proceedings of the California Academy of Sciences, 4 th Series, 21, 147 - 172.", "Saether O. A. (1977) Taxonomic studies on Chironomidae - Nanocladius, Pseudochironomus and the Harnischia complex. Bulletin of Fisheries Research Board of Canada, 196, 1 - 143.", "Reiss, F. (1990) Cryptotendipes acalcar, spec. nov., ein aberranter Gattungsvertreter aus palaearktischen Salzgewassern (Chironomidae: Diptera). Spixiana, 13, 209 - 215.", "Sasa, M. & Suzuki, H. (1997) Studies on the Chironomidae (Diptera, Insecta) collected in Mongolia, Japanese Journal of Medical Hygiene, 25, 149 - 189.", "Sublette, J. (1960) Chironomid midges of California. I, Chironominae, exclusive of Tanytarsini (= Calopsectrini). Proceedings of the United States National Museum, 112, 197 - 226.", "Zorina, O. V. (2001) New species of the genera Cryptotendipes, Dicrotendipes, Microtendipes and Stenochironomus (Diptera, Chironomidae, Chironomidae) from the Russian Far East. Ves tn ik Zoologii, 35, 31 - 38.", "Zorina, O. V. (2003) Four new species of non-biting midges of the Harnischia complex (Diptera, Chironomidae, Chironomidae) from Sakhalin Island (Russian Far East). Euroasian Entomological Journal, 2, 221 - 225.", "Lenz, F. (1959) Die Metamorphose der Gattung Cryptotendipes Lenz (Dipt. Tendipedidae) Deutsche Entomologische Zeitschrift. N. F. 6, Heft I - III: 238 - 250."]}