Chaetocladius pe1a

new form

Exuviae 4.2-4.8mm long (n=6).
Cephalothorax: Thoracic horn sausage-shaped, bare, 50-90µm long (n=5), usually with a short, narrow stalk; ThR 3.1-3.6 (n=3).
Abdomen: Tergite I unarmed, or with a small patch of points postero-laterally, and/or antero-laterally. Tergites II-VIII posteriorly with an inconspicuous narrow transverse band of teeth, the posterior points only a little larger than the median, the remainder of the tergites covered with small points.
Anal segment: Anal lobes rounded laterally, fringe absent; three thorn-like macrosetae, length 0.42-0.5x width lobe (n=6). Anal lobe ratio 1.7-2.1 (n=4).

Note: Of type Chaetocladius pe1 Langton, 1984.

Form keys out at Page 791: Orthocladiinae 203 Chaetocladius of the Text Key.

Northern England, Norway.
(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes