Boreoheptagyia dasyops

Author: Serra-Tosio, 1989

Diagnosis (n=1, material in coll. Serra-Tosio)
Exuviae 4.0mm long.
Cephalothorax: Cephalic tubercles shallow, rounded, without an apical tooth. Frontal setae absent. Thoracic horn small, brown, triangular (027b.jpg). Thorax dorsally anterior to the level of the thoracic horn usually nearly smooth. Precorneal setae 45; 60; 105µm long; median antepronotal setae 65µm long; lateral antepronotal setae 78µm long; posterior antepronotal setae 58µm long.
Abdomen: Hook row II absent. Points on the pleura of segment II no longer than those on the tergites; pleura VI-VIII not or scarcely darkened and not tightly pleated. Sternites II-VIII extensively armed with small points.
Anal segment: Anal lobes small, shorter than segment VIII, with three strong, hooked, macrosetae (027c.jpg ; 027d.jpg); additional seta long and conspicuous, about 100µm long, the others, if discernible, reduced to minute spinules.

Species keys out at Page 534: Diamesinae 10 Boreoheptagyia of the Text Key.

French Alps.
(For more information see module IdentifyIt – file: Other subfamilies).

Ecological notes
Montane waterfalls, 1,000-2,000m asl.