Simulium ceylonicum

Jitklang, Sanae, Kuvangkadilok, Chaliow, Baimai, Visut, Takaoka, Hiroyuki & Adler, Peter H., 2008, Cytogenetics and morphotaxonomy of the Simulium (Gomphostilbia) ceylonicum species group (Diptera: Simuliidae) in Thailand, Zootaxa 1917, pp. 1-28 : 23

publication ID

https://doi.org/ 10.5281/zenodo.184626

DOI

https://doi.org/10.5281/zenodo.5658693

persistent identifier

https://treatment.plazi.org/id/A36387DA-FF91-FFB2-9CB1-8C514CE37ED0

treatment provided by

Plazi

scientific name

Simulium ceylonicum
status

 

Key to larvae of 10 cytoforms in the S. ceylonicum View in CoL group in Thailand *

( Figs. 9–10 View FIGURE 9 View FIGURE 10 )

1 Postgenal cleft ( Fig. 9 View FIGURE 9 E–G)> 5.0 x as long as postgenal bridge, reaching or approaching hypostoma.....2

- Postgenal cleft ( Fig. 9 View FIGURE 9 A–D, H–J) <5.0 x as long as postgenal bridge, leaving moderate length of postge- nal bridge.....................................................................................................................................................4

2 Abdomen without reddish-brown markings dorsally; abdominal setae unbranched ( Fig. 10 View FIGURE 10 A)................... ................................................................................................................................................. nr. asakoae View in CoL 4

- Abdomen with reddish-brown markings dorsally; abdominal setae branched ( Fig. 10 View FIGURE 10 B)..........................3

3 Abdomen yellowish ............................................................................................................. trangense View in CoL n. sp.

- Abdomen yellowish except segments I–IV greenish ......................................................................... sheilae View in CoL

4 Abdomen yellowish except segments I and IV greenish.............................................................................5

- Abdomen yellowish except segments I–III or I–IV greenish......................................................................6

5 Postgenal cleft ( Fig. 9 View FIGURE 9 J) subequal to or shorter than postgenal bridge. ................................... inthanonense View in CoL

- Postgenal cleft about twice as long as postgenal bridge ( Fig. 9 View FIGURE 9 D).......................................... nr. asakoae View in CoL 3

6 Abdomen yellowish except segments I–III greenish...................................................................................7

- Abdomen yellowish except segments I–IV greenish...................................................................................8

7 Abdominal segment V with reddish-brown transverse band dorsally ................................... curtatum View in CoL n. sp.

- Abdominal segment V without distinct colored band ............................................................. nr. asakoae View in CoL 2

8 Head spots faint ......................................................................................................................... nr. sheilae View in CoL 3

- Head spots distinct.......................................................................................................................................9

9 Hypostoma shorter than its greatest width ....................................................................................... asakoae View in CoL

- Hypostoma nearly as long as its greatest width ............................................................... doisaketense n. sp.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Simuliidae

Genus

Simulium

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