Cladopelma Kieffer
Creators: name: Yan, Chuncai
name: Jin, Zhaohui
name: Wang, Xinhua
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Chironomidae
Cladopelma

description: Key to the males of Cladopelma Kieffer
1. Tergite IX with lateral lobes.........................................................................................................................2
- Tergite IX without lateral lobes....................................................................................................................3
2. Lateral lobe of tergite IX with setae apically; AR 2.0; LR1 1.25. Palaearctic, Sino-Indian ........................... .................................................................................................................... C. goetghebueri Spies et Saether
- Lateral lobe of tergite IX bare apically; AR 2.4; LR1 1.6. Nearctic ......................... C. spectabilis (Townes)
3. Tergite IX extended with a swelling covering parts or whole of base of anal point.................................... 4
- Tergite IX not extended over base of anal point...........................................................................................7
4. Anal point with large, bare carina basally. Palaearctic, Sino-Indian .................................... C. costum sp. n.
- Anal point without bare carina basally.........................................................................................................5
5. Swelling of tergite IX hood-like; anal point rounded apically. Nearctic ..................... C. galeator (Townes)
- Swelling not hood-like; anal point acute......................................................................................................6
6. Superior volsella large, thumb-like; AR 2.5. Palaearctic, Sino-Indian ............. C. krusemani (Goetghebuer)
- Superior volsella reduced to a tubercle; AR 2.0-2.1. Palaearctic .......................... C. bicarinatum (Brundin)
7. Margin of tergite IX extended as large shoulders on each side of the anal point.........................................8
- Margin of tergite IX not extended as large shoulders on each side of the anal point.................................10
8. Posterior half of tergite IX form shoulders. Nearctic ................................................... C. collator (Townes)
- Whole of tergite IX form shoulders..............................................................................................................9
9. Gonostylus with basal projection; mid leg with 1 spur. Neotropical, Nearctic ............ C. forcipes (Rempel)
- Gonostylus without basal projection; mid leg with 2 spurs. Holarctic, Sino-Indian...................................... ................................................................................................................................ C. edwardsi (Kruseman)
10. Posterior margin of tergite IX with pair of processes flanking base of anal point; anal tergite bands H- shaped. Palaearctic, Sino-Indian ................................................................................. C. virescens (Meigen)
- Posterior margin of tergite IX without processes flanking base of anal point; anal tergite bands not H- shaped.........................................................................................................................................................11
11. Base of anal point with high, knife-like ridge. Holarctic, Sino-Indian.................... C. viridulum (Linnaeus)
- Base of anal point without ridge.................................................................................................................12
12. Base of anal point slightly truncated; without ridge extending to tergite IX. Nearctic .................................. ............................................................................................................................... C. amachaerus (Townes)
- Base of anal point cone-shaped; with ridge extending to tergite IX...........................................................13
13. Anal point slightly constricted basally; gonostylus rounded apically. Afrotropical .. C. inflexum (Freeman)
- Anal point strongly constricted basally; gonostylus pointed apically........................................................14
14. Superior volsella slightly swollen mesally; AR 2.8–3.0; LR1 about 1.45. Palaearctic................................... ................................................................................................................................. C. subnigrum (Brundin)
- Superior volsella slightly constricted mesally; AR 2.0; LR1 1.8. Australasian .......... C. curtivalve (Kieffer)
description: Published as part of Yan, Chuncai, Jin, Zhaohui & Wang, Xinhua, 2008, Cladopelma Kieffer from the Sino-Indian Region (Diptera: Chironomidae), pp. 44-56 in Zootaxa 1916 on pages 45-46, DOI: 10.5281/zenodo.184615