Skusella, Freeman. There, 1961

Cranston, Peter S. & Tang, Hongqu, 2018, Skusella Freeman (Diptera: Chironomidae): new species, immature stages from Africa, Asia and Australia, and expanded distributions, Zootaxa 4450 (1), pp. 41-65 : 57

publication ID

https://doi.org/ 10.11646/zootaxa.4450.1.3

publication LSID

lsid:zoobank.org:pub:565A59C6-7F81-420F-886C-248866F2517D

DOI

https://doi.org/10.5281/zenodo.5967643

persistent identifier

https://treatment.plazi.org/id/6D0F87C5-0106-FFC6-FF3F-FE31FBB5FBF8

treatment provided by

Plazi

scientific name

Skusella
status

 

Skusella View in CoL View at ENA sp. ‘Limuling’

( Figs 4 A –B View FIGURE 4 , 6B View FIGURE 6 )

Material examined. 5 Pe , CHINA, Hainan Province, Qiongzhong County, Limuling NNR, 19°10.755' N 109°45.074' E, 11.ii.2015 (H.Q. Tang) ( EJNU, 2 (1 slide) to ANIC) GoogleMaps ; 3 Pe, CHINA, Hainan Province, Lingshui Li Autonomous County, Diaoluo National Forest Park , 18°43.606'N 109°52.051'E, 26.iv.2012 (H.Q. Tang); 1 Pe, CHINA, Hainan Province, Changjiang Li Autonomous County , Bawangling NNR, 19°06.752'N 109°11.980'E, 30.iv.2012 (H.Q. Tang); 1 Pe, CHINA, Hainan Province, Wanning City, 3 km away from Martyrs Memorial Park of Liulianling , 18°58.825'N 110°25.348'E, 09.ii.2015 (H.Q. Tang). GoogleMaps

Description. Pupa (n = 5). Body length 5.2–5.6 mm. Exuviae pale grey with brown apophyses.

Cephalothorax. Cephalic tubercle absent. Frontal setae 40–50 µm, half the length of distance between setae ( Fig. 4 A View FIGURE 4 ). Thorax clearly rugose at scutual hump, otherwise smooth ( Fig. 4B View FIGURE 4 ). Prealar tubercle absent.

Abdomen ( Fig. 6B View FIGURE 6 ). Similar to S. silingae but with spinulae on anterior of each tergite extending more laterad including to onto anterior pleurae. Hook row of 24–27 hooks, extending 23–28% of segment width. Posterolateral corner of VIII (‘comb’) with 9–12 teeth of variable length. Anal lobe with 130–140 taeniae.

Comments. The pupal exuviae resemble those of S. subvittata and S. silingae but lacks a cephalic tubercle and has more extensive anterior tergal spinulation. From differs from S. sp. ‘Sanyatang’ in the spinulosity on the pleurae being restricted to small areas on segments V–VII and spinules are lacking on sternite I.

Exuviae were collected from some near pristine mountain streams and ponds.

ANIC

Australian National Insect Collection

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Chironomidae

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