Pterophylla

Version of computer-generated U.S. distribution map displayed above was harvested from SINA on Aug-05-2018.See also this manually generated dot map showing U.S. and Canadian records, with shaded area showing likely general distribution.

Version of manually-generated dot map displayed above, showing U.S. and Canadian records, was harvested from SINA on Aug-05-2018.Dots show county records; shaded area shows likely general distribution.See also this computer-generated U.S. distribution map, produced in 2003 from records in a database available on the Singing Insects of North America site.

Version of manually-generated dot map displayed above, showing U.S. and Canadian records, was harvested from SINA on Aug-05-2018.Northern populations (with the exception of some in Iowa) call with a slow pulse rate and 2 to 4 pulses per chirp.

Version of manually-generated dot map displayed above, showing U.S. and Canadian records, was harvested from SINA on Aug-05-2018.Southwestern populations call with a slow pulse rate and only one or two pulses per phrase. Some populations in Iowa (shaded band) produce many pulses per phrase (Shaw & Carlson 1969). [as do some in Missouri--TJW]

Version of manually-generated dot map displayed above, showing U.S. and Canadian records, was harvested from SINA on Aug-05-2018.Southeastern populations call with a faster pulse rate and more pulses per phrase than do nearby populations to the north and west.