Halocladius fucicola

Author: (Edwards, 1926)

Diagnosis (in part after Hirvenoja, 1973a - in italics)
Exuviae 3.5-4.2mm long (n=7) (082-1.jpg).
Cephalothorax: Frontal setae on praefrons, clearly posterior to the antennal bases. Thoracic horn absent. Thorax at most strongly granulate.
Abdomen: Length hook row II 0.50-0.66 of width tergite II (n=4); hooks 83-124 (n=6) in 2-3 rows. Pedes spurii B present on segments I-III, well-developed, toothed (082b.jpg). Shagreen on II-VI uniform. Tergite armament not, or slightly, extending past anterior adhesion marks into the anterior corners of the tergites. Pleura of segments II and III at most with restricted armament. Dorsal setae Iā€“ VIII: 4,4,4,5,5,5,5,2; Lateral setae I-VIII: 1,3,3,3,3,3,4,4; Ventral setae I-VIII: 1,4,4,4,4,4,4,0; lateral seta 4 on VIII slightly longer than lateral seta 3, not stronger than the other lateral setae, lateral most dorsal seta nearly in line with the lateral setae, ventral seta on VIII only indicated.
Anal segment: Anal lobe ratio 1.6-2.0 (n=4). Anal lobes without fringe. Length of anal macrosetae 0.07-0.13x length of the anal lobe (n=5), the anterior seta isolated, usually inserted in the middle of the lobe margin (082c.jpg).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 889: Orthocladiinae 300 Halocladius of the Text Key.

W Europe.
(For more information see module IdentifyIt ā€“ file: Orthocladiinae).

Ecological notes
Coastal in rockpools.