Distribution of Obolopteryx oreoeca in North America north of Mexico

描述：

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.