Author: (Lundbeck, 1898)
Diagnosis
Exuviae 2.2-3.4mm long (m=2.8mm, n=23).
Cephalothorax: Thoracic horn 165-286µm long (m=208µm, n=23), broadest at base, tapered to apex, more strongly tapered over the basal half (052i.jpg). Length horn base 0.5-0.7x length horn (m=0.6, n=23); ThR (base) 1.2-2.5 (m=1.9, n=23). Median antepronotal setae 1,2: 105-200; 83-208µm long; precorneal setae 1-3: 143-195; 150-175; 50-113µm long (n=5); dorsocentral setae 1-4: 50-68; 25-40; 30-50; 43-70µm long (n=4). Thorax smooth. Pearl row absent.
Abdomen: Hook rows on tergites broken medially, hooks II 0/0 (1/1), III 7/7-13/15, IV 7/8-12/16, V 6/6-13/15. Shagreen restricted to an anterior transverse band. Tergites II-VIII with a posterior band of points which diminish in size laterally; teeth III 15-20µm; IV 13-18µm long (n=5). Segment VIII with two strong lateral setae.
Anal segment: Anal lobe ratio 1.7-1.9 (m=1.8, n=9). Fringe absent, anal macrosetae conspicuous, length setae 0.8-0.9x length of the anal lobe (n=6).
(Linked adult male: Langton and Pinder, 2003a)
Species keys out at Page 706: Orthocladiinae 118 Eukiefferiella of the Text Key.
Distribution
Holarctic species: widespread in Europe, circum-Mediterranean.
(For more information see module IdentifyIt – file: Orthocladiinae).
Ecological notes
Streams and occasionally lakes in the north.