🚀 go-pugleaf

Apologies for the cross posting.
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I am commencing with a new project which aims to assess the
extent of dispersal in several aquatic insects - at both the adult
and larval stages.  This will involve a number of techniques,
including genetic analysis as well as some ecological measures,
involving the observation of larvae, capture of adults etc.

I was wondering if anyone had, or new of, a reliable method for
tagging of individual benthic macroinvertebrates ?  I have a copy of
Freilich's paper published in the Journal of the North American
Benthological Society, which gives one such method and a fairly
detailed account of things as they were prior to 1988, but I thought
I'd check to see if anyone had since tried any other techniques -
successfully or otherwise.

I was also wondering about the use of electroshocking for sampling of
macroinvertebrates.  I seem to recall it having been used as a
non-lethal method of sampling macroinvertebrates across large areas
of stream bed.  I am trying to capture large numbers of megalopterans
and would like a method which is fairly quick and efficient, and that
doesn't require disturbing huge areas of the stream.

Any suggestions or comments would be greatly appreciated.

Marcus.

Marcus Wishart                       /)
Freshwater Research Unit            //'        Phone: 021) 650 3638
Zoology Department                 //'
University of Cape Town         8<=]>======\    Fax:  021) 650 3301
Rondebosch  7700                 / |\