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. Author manuscript; available in PMC: 2016 Mar 16.
Published in final edited form as: Limnologica. 2008 Feb 11;38(1):34–42. doi: 10.1016/j.limno.2007.09.001

Figs.1 – 4.

Figs.1 – 4

Figs.1 – 2 Head, frontal view of fifth instar larvae (with frontal profile lines): 1: Drusus melanchaetes, 2: D. destitutus. Figs. 3 - 4: Head, left lateral view of fifth instar larvae (with lateral profile lines; arrow: step in profile): 3: D. melanchaetes, 4: D. destitutus. Scale bars: 1mm.