Author: (Kieffer, 1922)
Diagnosis (Associated material from M. Hirvenoja.)
Exuviae 7.6-8.6mm long (m=8.1, n=10).
Cephalothorax: Cephalic tubercles elongate conical, 100-160µm high (m=124µm, n=9). Frontal setae 50-90µm long (n=5). Thoracic horn much branched. Thorax with extensive small granulation.
Abdomen: Hooks of hook row II 71-109 (m=88.8, n=10). Epaulettes foot-print shaped, with short, usually broad anterior limb; restricted to tergites III-VI; EpR III-VI 1.0 : 0.97-1.43 : 1.17-1.62 : 1.11-1.54 (m=1 : 1.20 : 1.40 : 1.35, n=10). Epaulettes III-VI with 4-11, 5-12, 5-14, 7-11 marginal points (m=6.9, 8.0, 8.3, 9.0, n=10). Paratergites IV unarmed. Comb of segment VIII 0-6 short robust teeth. Lateral taeniae of segments V-VIII: 4,4,4,4.
Anal segment: Fringe of anal lobe with 60-93 taeniae (m=76.5, n=10).
Species keys out at Page 115: Chironomini 12 Glyptotendipes of the Text Key.
Distribution
Germany, Finland.
(For more information see module IdentifyIt – file: Chironominae).
Ecological notes
Larvae in small ponds with decomposing tree leaves (Hirvenoja, 1996); in Alisma stem (Thienemann, 1954).