Take the time to turn over some rocks. Observe and save to memory.
Go back home and check through this site:
http://www.troutnut.com/hatch/12/Ins...ra-Caddisflies
The Vaal favourite - not mustard caddis though, unless you have oragnic mustard thats 3 years old and live near Koeberg
http://www.troutnut.com/hatch/1717/C...Hydropsychidae
Then go and read about the other insects that Jason's done all the trouble with. Get the local book on Aquatic Invetebrates and read it. See FOSAF for details.
NOW GO STAND IN THE CORNER FOR ASKING SUCH A SILLY QUESTION!
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