Orthocladius lunzensis

Author: Dettinger-Klemm, 2001

Diagnosis (n=6, data from Dettinger-Klemm, 2001a, material in coll. ZSM)
Exuviae 4.2-4.9mm long.
Cephalothorax: Thoracic horn elongate, 319-388µm long, armed with points; ThR 6.89-10.5. Four dorsocentral setae, the first, third and fourth thick, the second conspicuously thinner.
Abdomen: Hook row II a discrete pad or band of hooks, less than 0.34x width of segment II, usually of three or more transverse rows of hooks. Tergites III-V with median point patch transverse, separate from the posterior band, of narrow, sharp points, differing markedly from the short, sturdy points of the posterior band (079c.jpg). Posterior transverse point band on tergite III not extending further laterally than the apical band. No granulation present on tergites and sternites. Forked or branched setae rare and usually confined to the apical sternites. Pedes spurii B on segment II conspicuous. Conjunctives blotched with brown. Posterior lateral seta of segments VII and VIII thick and set upon a small tubercle.
Anal segment: Anal lobes without fringe. Length of anal macrosetae/length of anal lobe 0.38 (male) and 0.43-0.47 (female), setae straight or somewhat curved. Genital sheaths of male about 241µm long, not clearly surpassing apex of anal lobe.

Species keys out at Page 875: Orthocladiinae 286 Orthocladius of the Text Key.

(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes