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If you want basic Chironomid fishing, here's how it is done
in the UK.
http://globalflyfisher.com/patterns/buzzer/index.php

An other Chironomid pattern worth considerering....

Here are a collection of Midges and Buzzers (chironomids)
http://donaldnicolson.webplus.net/page7.html

Here are some Nymph patterns worth trying:-
http://donaldnicolson.webplus.net/page5.html
...