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- premandible: 1+1? (apical+basal); seta S1: 2.0 i.e. bifid;
- mentum: 1 median tooth, 6 lateral, submental setation below 5-5.5th lateral tooth, long ventromental plates;
- mandible: 3.5-1-0-0 (inner-apical-outer-surface), outer margin strongly engraved;
- postoccipital margin: brown
Head (3rd instar):
is this the same like Orthocladius type S in Brooks et.al. 2007 (The Identification and Use of Palaearctic Chironomidae Larvae in Palaeecology)?
It is very similar with your "Cricotopus-Orthocladius indet 2", i can not find the premandible of present species. I agree with your opinion.