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With the name you gave me I found the publication of B. Theowald :"Die Entwicklungsstadien der Tipuliden (Diptera,
Nematocera), insbesondere der west-palaearktischen Arten". It is in free pdf download at : http://biostor.org/reference/61057
It is a very complete paper on immature stage of Tipulidae.
Base on this paper, my first larva (with long setae) belong to the Tipula genera, and the other with the large spiracles belong to
the genera Nephrotoma.