- 1,524 specimens collected from at least 9 countries
- 278 specimens identified from at least 4 countries
- 1,169 specimens used in 14 works
Progress
Collected From
- Peru 505
- Trinidad and Tobago 477
- United States 427
- Belize 101
- Canada 7
- Guatemala 2
- Nicaragua 1
- New Zealand 1
- Micronesia, Federated States of 1
Identified From
- United States 146
- Canada 127
- Philippines 4
- Chile 1
Dates Collected
- 1935 – 1940 7
- 1950 – 1955 1
- 1970 – 1975 1
- 1980 – 1985 8
- 1985 – 1990 636
- 1990 – 1995 807
- 1995 – 2000 11
- 2000 – 2005 53