Hey there monarchlady!
Tagging is very easy - we've got taggers from 5 to 95 doing it equally well
Monarchs are pretty tough little insects...keep in mind that some of these critters are flying well over 2000 miles to reach the overwintering sites in Mexico. They do not loose their scales as readily as most other butterflies and moths so you can handle them for tagging without worrying too much about harming them - just follow the instructions on the datasheet, which can be downloaded as a PDF file here:
You might find it easier to work with a partner, taking turns tagging and recording data.
1. Hold a Monarch between your thumb and index finger along the leading edge of the forewings (Figure A).
2. Record complete data before removing a tag from the sheet.
3. Remove a tag by its edge from the sheet (a toothpick might be helpful), place it over the discal cell (of either hindwing) and carefully apply pressure to the tag from both sides of the butterfly (Figure B), press firmly for several seconds and release the butterfly - making sure all of the information is recorded first!
Do not allow the tag to stick to any other surface, such as your finger, before applying it to the butterfly.
To be most effective, the adhesive surface of the tag must be clean when it is applied to the wing.