Halocladius varians

Author: (Staeger, 1839)

Diagnosis (in part after Hirvenoja, 1973a - in italics)
Exuviae 3.1-3.9mm long (n=5).
Cephalothorax: Frontal setae on apotome or on praefrons. Thoracic horn absent. Thorax at most strongly granulate.
Abdomen: Length hook row II 0.46, 0.49x width tergite II (n=3); hooks 56-76 (n=4). Pedes spurii B restricted to segment II, especially with the second generation of the year, obviously granulate (082d.jpg). Median point patches of tergites III-V nearly rectangular, the anterior adhesion marks embraced by the antero-lateral corners of the patch. Pleura of segments II and III at most with restricted armament. Dorsal setae I-VIII: 3-5, 4-5,4-5,5,5,5,2; Lateral setae I-VIII: 1,3,3,3,3,3,3-4,4; Ventral setae I-VIII: 1-2,3-4,4,4,4,4,4,0. The fourth lateral seta of segment VIII usually somewhat longer and stronger than the others.
Anal segment: Anal lobes without fringe. Length of anal macrosetae 0.31-0.40x length of the anal lobe (n=4) (082e.jpg).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 892: Orthocladiinae 303 Halocladius of the Text Key.

Widespread in Europe, north Africa, Azores.
(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes
Coastal and estuarine.