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Freshwater sample preserved
30 mm length larva
Nematocera larva ?
no cephalic capsule but something like hooks ?
they are two parallel spiracles (or siphon tips) at the anal segment
and on the other side (head side ?) two spiracles too



what I Found as I tried to exit the cephalic part



thanks for any info
SDS

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Two pictures no very good
of anterior end spiracles
and anal end spiracles (siphon ?)



anal end

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Ventral view of the last abdominal segment with strange hollow dark spot
and two lateral humps or mamelons