- 1,105 specimens collected from at least 3 countries
- 1,249 specimens identified from at least 4 countries
- 24 specimens used in 4 works
Progress
Collected From
- United States 921
- Mexico 165
- Guatemala 17
Identified From
- United States 1,130
- Canada 31
- Mexico 29
- Czechia 1
Dates Collected
- 1915 – 1920 116
- 1920 – 1925 424
- 1925 – 1930 178
- 1930 – 1935 29
- 1935 – 1940 25
- 1940 – 1945 1
- 1990 – 1995 1
Dates Identified
- 1920 – 1925 289
- 1925 – 1930 412
- 1930 – 1935 100
- 1935 – 1940 3
- 2005 – 2010 156
- 2010 – 2015 68
- 2015 – 2020 2