you could also try a UV florescent dye which can be used to spray insect populations and also comes in different colours
On Mon, Mar 10, 2008 at 4:11 AM, Claire Foster <[EMAIL PROTECTED]> wrote: > Perhaps a fine point silver permanent marker? > > On Sun, Mar 9, 2008 at 12:27 AM, Bonaventure Omondi Aman < > [EMAIL PROTECTED]> > wrote: > > > Dear Colleagues, > > Do you know any products that would be used in marking tiny black > > histerids > > (1.5mm long)? > > I need to do mating studies between populations of these insects, which > I > > cannot sex visually, so I have to pair them randomly hoping some will > end > > up > > with potential mating partners, but then I must be able to identify or > > even > > mark populations without killing them first!! The only sexing technique > I > > know is by dissection! > > Please help. > > Aman > > >
