- 48,672 specimens collected from at least 6 countries
- 43,120 specimens identified from at least 12 countries
- 7,896 specimens used in 66 works
Progress
Collected From
- United States 48,469
- Mexico 189
- Canada 2
- United Kingdom 2
- Cayman Islands 1
- New Zealand 1
Identified From
- United States 42,836
- Mexico 157
- Canada 111
- Sweden 3
- Cuba 2
- Philippines 2
- United Kingdom 1
- Finland 1
- Antigua and Barbuda 1
- Israel 1
- Haiti 1
- Germany 1
Dates Collected
- 1910 – 1915 1
- 1915 – 1920 1
- 1920 – 1925 5
- 1925 – 1930 57
- 1930 – 1935 1,506
- 1935 – 1940 3,715
- 1940 – 1945 1,735
- 1945 – 1950 1,652
- 1950 – 1955 5,271
- 1955 – 1960 7,894
- 1960 – 1965 10,020
- 1965 – 1970 5,895
- 1970 – 1975 5,425
- 1975 – 1980 3,511
- 1980 – 1985 923
- 1985 – 1990 19
- 1990 – 1995 1
Dates Identified
- 1955 – 1960 1
- 1960 – 1965 3
- 1975 – 1980 96
- 1980 – 1985 11
- 2010 – 2015 2