SINA is designed to be used without requiring the user to consult detailed directions. When these instructions were first written, SINA was not as user friendly as it is now. The text below is lightly edited and left in place—in case new users wish to benefit from it.
Go to How to recognize crickets and katydids.
Go to the division dealing with Crickets or Katydids and click on the Keys button. When you must decide among the species within a genus, seek advice or help on the genus page. Then browse the species pages and accept or reject the choices on the basis of appearance, song, morphological features, and geographical, seasonal, and ecological distribution.
Go to the division dealing with Crickets or Katydids and click on the List of Species button. In the checklist, find the species (by scientific or common name) and click on the link.
Go to the appropriate division (Crickets or Katydids) and click on the List of Species button. Within the checklist, find the genus or subfamily (by scientific or common name) and click on the link.
Go to the subfamily page (from the key to subfamilies or from the List of Species). The first section of the subfamily page will have a link to the key to genera.
[As indicated in a red box on the homepage of SINA, changes in the higher classifications of crickets and katydids have reduced the usefulness of some of SINA morphological keys. TJW decided that for most of SINA's users such keys were less helpful than colored photographs of live specimens and playable calling songs of those species that have been audio recorded. Thus he has concentrated on those features of SINA.]
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