Polypedilum (Cerobregma)
- Dataset
- Polypedilum (Cerobregma) heberti sp. n. (Diptera: Chironomidae) from Gaoligong Mountains, Yunnan, China
- Rank
- SUBGENUS
Classification
- kingdom
- Animalia
- phylum
- Arthropoda
- class
- Insecta
- order
- Diptera
- family
- Chironomidae
- genus
- Polypedilum
Polypedilum (Cerobregma)
Key to known adult males of the Polypedilum (Cerobregma)
modified from Saether and Sundal (1999) and Zhang and Wang (2005)
1. Wing with distinct spots................................................................................ 2
- Wing without distinct spots.............................................................................. 6
2. Palpomeres reduced, palpomeres 4 and 5 combined about as long as palpomere 3; Sudan..... P. brevipalpe Saether et Sundal
- Palpomeres normal, palpomere 5 about twice as long as palpomere 3............................................. 3
3. Antepronotum setose................................................................................... 4
- Antepronotum bare.................................................................................... 5
4 Superior volsella with two outer setae; France.......................................... P. lotensis Moubayed-Breil
- Superior volsella without outer seta; Ghana, Tanzania................................. P. volselligum Saether et Sundal
5 Wing with several spots; setae along inner margin of gonostylus strongly split; South of Sahara........ P. ramiferum Kieffer
- Wing with a large black spot on the entire basal half area of wing; setae along inner margin of gonostylus not split; Oriental China................................................................................... P. heberti sp. n.
6 Antepronotum setose................................................................................... 7
- Antepronotum without seta............................................................................. 10
7 Anal point broad, tapering towards apex; Canada and USA....................................... P. ontario (Wally)
- Anal point narrow, parallel-sided......................................................................... 8
8 Apical process of superior volsella with strong outer seta in apical half........................................... 9
- Apical process of superior volsella without strong outer seta in apical half........................... P. okigrandis Sasa
9 Fore tibial scale pointed; tergite IX with strongly sclerotized circle; China...................... P. cyclus Zhang et Wang
- Fore tibial scale rounded; tergite IX without strongly sclerotized circle; China and Japan........ P. yamasinense (Tokunaga)
10 Scutum with weak tubercle............................................................................. 11
- Scutum without tubercle............................................................................... 12
11 Superior volsella with one long outer seta; R 2+3 distinct; China.................................. P. jii Zhang et Wang
- Superior volsella without outer seta; R 2+3 evanescent; China......................... P. exilicaudatum Saether et Sundal
12 Anal point broad, not parallel-sided; legs ringed with white................................................... 13
- Anal point narrow, parallel-sided; legs not ringed........................................................... 14
13 Anal point broad with strong median swelling and apical additional point; Ghana....... P. bulbocaudatum Saether et Sundal
- Anal point awl-shaped without additional apical point; Ghana.......................... P. subulatum Saether et Sundal
14 AR 0.54–0.91; tergite IX with two setae; superior voslella low and broad; China.................... P. paucisetum Zhang
- AR 1.15; tergite IX with more than 40 setae; superior volsella curved and tapered; France....... P. saetheri Moubayed-Breil