Cladopelma virescens

Author: (Meigen, 1818)

Exuviae 4.1-5.0mm long (m=4.5mm, n=7) (109-1.jpg).
Cephalothorax: Cephalic tubercles conical, 80-140µm high (n=8), generally with small points apically (109b.jpg).
Abdomen: Hook row II medially interrupted, length of row 0.15-0.18 (0.07-0.14 gap) 0.15-0.17x width tergite (n=4); hooks 9-19 (m=13, n=7). 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 densely and conspicuously armed medially with sharp spinulate points. Sternite I with a small patch of sharp points at each side posteriorly which may spread medially, but the points diminishing in size and not meeting medially. Comb of segment VIII of 1 elongate, narrow postero-lateral thorn (109d.jpg). Lateral taeniae of segments V-VIII: 4,4,4,4(5).
Anal segment: Fringe of anal lobe with 44-58 taeniae (m=52, n=11) (109d.jpg).
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.

Palaearctic species: widespread in Europe, eastern Mediterranean.
(For more information see module IdentifyIt – file: Chironominae).

Ecological notes
Slow-flowing rivers and drains; ponds with through-flow.