Limnophyes angelicae

Author: Saether, 1990

Exuviae 3.1, 3.4mm long (n=2).
Cephalothorax: Frontal setae 60µm long (n=1). Thoracic horn reduced to a small tubercle. Precorneal setae small. Thorax more or less smooth.
Abdomen: Tergites generally covered with small points, larger anteriorly. Tergites I(II)-VIII with the posterior margin armed with long narrow spines. Posterior long spines IV 60, 87 ; VI 53, 65 (n=2). Longest spine on tergite IV 64, 66µm long; VI 64, 66µm long (n=2). Paratergite IV armed with small points. Conjunctival membrane VII/VIII unarmed. Pedes spurii A absent. Lateral setae IV 170, 180µm long. Four long lateral setae on segment VIII, the fourth 140, 160µm long (n=2), inconspicuous.
Anal segment: Armament of tergite IX evenly distributed with largest points medially, diminishing in size outwards (150c.jpg). Anal lobes smooth. Anal macrosetae long, thin and usually curved, 0.6, 0.81x length of anal lobe (n=2).
(Linked adult male: Langton and Pinder, 2003a)
Adult stage belonging to the Limnophyes minimus-group (Saether, 1990a).

Species keys out at Page 759: Orthocladiinae 171 Limnophyes of the Text Key.

N. Europe.
(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes
Northern lakes and their outflow rivers.