Boreoheptagyia spec3

Author: Serra-Tosio, 1989

Diagnosis (n=1)
Exuviae 3.5mm long.
Cephalothorax: Cephalic tubercles with an apical tooth. Thorax dorsally anterior to the level of the thoracic horn usually nearly smooth. Precorneal setae 25; 45; 55µm long; median antepronotal setae 33µm long; lateral antepronotal setae 40µm long; posterior antepronotal setae 30µm long.
Abdomen: Hook row II absent. Points on the pleura of segment II much smaller than those on the tergite; 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, without an additional seta (027d.jpg).

Species keys out at Page 535: Diamesinae 11 Boreoheptagyia of the Text Key.

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

Ecological notes
Montane streams; Massif Central and Corsica.