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This searchable database is a Wisconsin Fly Fishing Page project.
Please read the following instructions.

Below is a copy of the Status Area which appears to the left of the records in the database.
Status area of DB
  1. After you have read the instructions scoll down and Click on the "Open Database " button.
  2. This will take you to the "Log In" page.
  3. Click on the "Guest" button and then the "Log In" button. Because you are logging in as a "Guest" you will have "Read Only" access and will not be able to add, change or delete data.
  4. You now are seeing the first of 64 records, Baetis ssp.
  5. The fields are self explanitory.
  6. Below the record display there are a series of buttons. These will allow you to sort by date (in 2 week increments), by Family (mayfly, stonefly, caddis fly) or special attributes like two tails or three, case builders or net spinners, etc.
  7. To the left of the record display is the "Status Area" of the database. The top three buttons (Icons) are from left to right are:
    1. "Home Page" (This page);
    2. "Browse", this allows you to browse all of the 64 records;
    3. "Search", which brings you to the FIND Status display. NOTE: When in the "Search" mode the record view is with out any data in the fields. You implement a search by putting in the data that you want to match. This will allow you to search for specific insects using your own critera: size, time of day, number of tails, etc. Do not try to many different criteria at once. If one critera does not match exactly, the search will fail. Suggest one critera at a time until you arrive at your answer.
  8. On the scond line of the "Status Area" the mode that you are in will appear here, Browse or Find. To the right there are two icons. You may only access the "Help" icon. This is very complete, but contains information about features in FMP that is not available to"Guest" with "Read Only" access.
  9. On the next line in the Browse Mode, there are 6 icons and a down arrow. You may access only the right two: "Sort" and "View all Records".
  10. In the "Search" mode, there are 4 icons of which you may access three. These are self explanitory.
  11. Layout: Shows you what "Layout" is being displayed.
  12. View As: Keep this in "Form", specially when doing a "Search".
  13. Open Notebook with arrows allows you to page forward or back, through the records.
  14. When you are through, PLEASE! "LOG OUT". The server for this DB will only allow 5 users at a time. This should not be a problem if everyone LOGS OUT.
  15. If you receive a message that you can not connect to the server, either there are 5 present users or the server is down. Not to panic, just email me below.

If there are taxonomy changes that I have missed, or comments that you would like to make, please feel free to contact me at wffp@mac.net


Version VI
Looking over the Bridge Railing
This aquatic insect data base has been compiled over 40 years, using information provided by various members of Trout Unlimited, Ed Haaga and "Cap" Buettner, customers of the old Orvis Pole & Paddle Shop, fishing companions, E-mail messages from our 'on-line' friends, and my streamside notes and observations. Also used were various journals, dairies and numerous books of reference. Updates continue today with changes in taxonomy and/or new data. This db was formated first on index cards, then to Appleworks, FilemakerPro 4.0, MS Access, HTML and now Online Web Publishing using FMP 8.5.

Though taxonomy of aquatic insects remained static for a long period of time, the last several years have seen incredible changes. The following database lists use the older latin names (as you will find in most of the literature) with synonyms appearing in brackets to the right.

Special thanks goes to Prof. William Hilsenhoff at UW Madison and Stan Szczytko of the UW Stevens Point, Pat Randolph at Mayfly Central, Purdue University and Ron Griffiths, PhD. Ontario Ministry of the Environment. All have helped a great deal and have proven to be very patient men.


Common names are used in both the emergence calendars and the database records. The latin tags are used as the cross links for clarity. In taxonomy, FAMILY/SUBFAMILY are always presented in capitals. Names at the Genus level only have the first letter Capitalized and names at the species level use no caps at all. In the database records all are in capitals for the ease of viewing.

Note: EDO and LDO stand for Earliest Date Observed and Latest Date Observed.

Also in the lower right hand corner, the numbers represent the month(s) that the insect is present as an adult, the letter A is the first two weeks of that month and B is the last two weeks of that month.

Established Dec. 6th.1994:
Last update "Just a moment ago!"
Wisconsin Fly Fishing Page compiled by Patrick Hager, Wausau, WI
Copyright © 1999 WFFP