Procladius flavifrons

Author: Edwards, 1929

Exuviae 3.8-5.4mm long (m=4.6mm, n=3).
Cephalothorax: Thoracic horn 310-395µm long (m=339µm, n=4), cylindrical, with a transversely oval to circular plastron plate filling the horn apex, which is joined to the broad brown respiratory atrium by a broad but short neck; ThR 4.2-5.6 (m=5.0, n=4). Width plastron plate 0.68x width thoracic horn (n=1). Respiratory atrium narrower than horn; breadth atrium : breadth horn = 0.68-0.75:1 (m=0.7:1, n=4).
Abdomen: Points on abdominal tergite IV much smaller than on VIII and arranged in transverse rows (008g.jpg). Anterior lateral taenia of segment VII at 0.50-0.61 of length segment VII (m=0.55, n=3). Segment VIII extended posteriorly on each side for over one fifth its median length.
Anal segment: Anal lobes Psilotanypus-type (008c.jpg). Anal lobe ratio 1.86-1.89 (m=1.88, n=3).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 26: Tanypodinae 12 Procladius of the Text Key.

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

Ecological notes