Cladopelma viridulum

Author: (Linnaeus, 1767)

Exuviae 3.7-5.5mm long (m=4.7mm, n=24).
Cephalothorax: Cephalic tubercles conical, 100-185µm high (m=140µm, n=12), more or less curved, apically with many small teeth (109b.jpg). Thorax distinctly and extensively granulate dorsally.
Abdomen: Hook row II medially interrupted, length of row 0.14-0.19 (0.07-0.22 gap) 0.13-0.19x width tergite (n=7); hooks 9-20 in each half row (m=13.8, n=11). Tergites II-V without a distinct unbroken posterior row or band of strong points. Tergite VI with a small oval swelling bearing noticeably larger points in the middle of the posterior transverse band, with setae D3 set under its lateral edges (109c.jpg). Conjunctive III/IV medially armed with from a few small blunt teeth to dense weak tuberculate teeth, rounded, truncate or even bifid apically. Sternite I with a continuous posterior transverse band of sharp points or short spines; antero-laterally with only one patch of spines, which may be well-developed or reduced to one or two teeth (108d.jpg). Sternite II with an anterior transverse band of long spines and a posterior transverse band of teeth or spines. Comb of segment VIII of 1 thorn, rarely 2. Lateral taeniae of segments V-VIII: 4,4,4,4.
Anal segment: Fringe of anal lobe with 30-61 taeniae (m=49.7, n=24).
Note: Pupae of type Cladopelma pe1 Langton, 1984a.
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 339: Chironomini 236 Cladopelma of the Text Key.

Holarctic species: widespread in Europe.
(For more information see module IdentifyIt – file: Chironominae).

Ecological notes
Usually stagnant water: ditches to lakes.