Identification key for the families

Tobias & Tobias (2008): Trichoptera fennoscandinavica. - HTML Document

Terminal segment of the maxillary palps, mostly also of labial palps, flagellum-like prolonged, segmented and strongly flexible, in some species with longer bright tactile hairs    next                                                                       go back

Terminal segment (5) of the maxillary palps not much longer than the 4th segment                                                                                  next

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