new form
Diagnosis (material leg. J.J. Casas.)
Exuviae 3.1-3.7mm long (m=3.4mm, n=8); usually very transparent, sometimes a little infuscated.
Cephalothorax: Cephalic tubercles short conical. Frontal setae taeniate, 130-280µm (n=5). Thoracic horn apically narrowed to a point, 100-248µm long (n=6); ThR 5.0-7.1 (n=4). Thoracic horn setae continued to tip in a broad band of dense setae along one edge (149h.jpg); longest seta 70-140µm (n=4), 0.39-0.78x length of horn (n=4). Pearl row absent.
Abdomen: Tergites II-VI each with an anterior pair of point patches; ArR II-VI 0.81-1.14 : 1.0-1.14 : 1.0 : 0.69-1.06 : 0.65-0.86 (m=0.99 : 1.06 : 1.0 : 0.92 : 0.74, n=7). Armament tergite IV 62-82µm long. Comb of segment VIII 38-60µm (m=50.8µm, n=8), with 4-7 marginal teeth (m=5.4, n=8) and very few dorsal points. Lateral taeniae of segments V-VIII: 3,3,4,5.
Anal segment: Fringe of anal lobe with 19-25 taeniae (m=22, n=8).
Form keys out at Page 424: Tanytarsini 66 Cladotanytarsus of the Text Key.
Distribution
(For more information see module IdentifyIt – file: Chironominae).
Ecological notes
Mediterranean streams.