Singing Insects of North America (SINA)

Thomas J. Walker
founder of SINA
Teresa Marie Yawn
editor, webmaster
crickets katydids cicadas home help

The primary goal of this website is to help users identify all species of crickets and katydids from America north of Mexico. The males of most species in these two taxa make loud, persistent calls that attract sexually ready, conspecific females. Because the songs are loud and species specific they are usually an easy means of identifying the caller. They also facilitate field and laboratory studies of many sorts.

Secondary goals of this site are to attract amateur and professional biologists to the study of singing insects and to provide them helpful information and access to relevant literature.

cricket katydid
Checklist of Crickets Checklist of Katydids

Except for first-time users of SINA, few spend time on the content of SINA's home page. Instead they click directly to either SINA's checklist of North American crickets or katydids.

The map pages for SINA's species are being updated to include higher resolution maps, summary of distribution, and list of states and counties for the United States and regions and localities for Canada. The SINA Map Updates page lists which map pages are completed and which are in progress.

Home-page Topics FSCA Ensifera Topics
Frequently? asked questions [including Copyrights] Specimens and Songs of FSCA Ensifera
How to use SINA Finding specimens of crickets and katydids
in FSCA
Contributing to SINA Tables from the GrylTett database
Aids to using SINA Accessing 6460 cricket and katydid songs
from SINA's FSCA section
Sample songs of crickets and katydids Relevant websites and their interrelations
SINA's origins and updates Suggestions for those in need of help regarding
the FSCA section of SINA
Acknowledgements Features of the rest of SINA that may benefit
those primarily interested in the FSCA section