Procladius type-a

Procladius (Holotanypus) "Type A"
Form described by Fittkau and Murray in Wiederholm, 1986

Diagnosis (n=2)
Exuviae 6.0, 6.2mm long (006-1.jpg).
Cephalothorax: Thoracic horn 325-385µm long, gradually expanded for about two-thirds its length, thereafter narrowed evenly to a pointed apex; covered with large, prone, triangular points; without plastron plate; respiratory atrium rounded apically, only three-quarters the length of the horn (006b.jpg); ThR 3.8-5.7.
Abdomen: Mark on segment I vague, brownish, triangularly widened posteriorly. Shagreen tending towards group shagreen. Lateral taeniae of segments III-VIII 1/7; 8/12; 25/32; 14/26; 6; 5 (006-1.jpg). Anterior lateral taenia of segment VII at 0.19, 0.21 of length segment VII. Segment VIII extending laterally posteriad by 0.30, 0.32 times median length of VIII.
Anal segment: Width segment IX 0.86 of width VIII. Anal lobes broadly rounded externally and armed with saw-like teeth from posterior taenia to apical inner angle, which is swollen posteriorly as a rounded tubercle surmounted by strong teeth; insertion of anterior anal taenia at 0.35, 0.43 of lobe length (006c.jpg). Anal lobe ratio 1.9.

Form keys out at Page 18: Tanypodinae 4 Procladius of the Text Key.

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

Ecological notes
Loch Duntelchaig, Scotland.