A complete table of the data is available from Leo Shapiro (lshapiro@umd.edu), Sam Droege (sdroege@usgs.gov), or the refuge biologist.
Below is a table of the site numbers and the brief site description.
Description | Site |
Wilna Unit 1 | 5607 |
Wilna Unit 2 | 5608 |
Wilna Unit B | 5609 |
Wilna Unit 4 | 5610 |
Wilna Unit 7 | 5611 |
Below is a table of the results by site:
Species | 5607 | 5608 | 5609 | 5610 | 5611 | Grand Total |
Agapostemon virescens | 5 | 1 | 2 | 1 | 5 | 14 |
Augochlora pura | 1 | 1 | ||||
Augochlorella aurata | 2 | 2 | ||||
Bombus griseocollis | 1 | 1 | ||||
Halictus ligatus/poeyi | 1 | 1 | 1 | 3 | ||
Hylaeus affinis/modestus | 1 | 1 | ||||
Lasioglossum bruneri | 1 | 1 | ||||
Lasioglossum coreopsis | 2 | 2 | ||||
Lasioglossum creberrimum | 1 | 1 | ||||
Lasioglossum versatumsensumitchell | 1 | 2 | 3 | |||
Melissodes bimaculata | 1 | 1 | ||||
Melissodes comptoides | 1 | 3 | 4 | 31 | 39 | |
Melisssodes denticulata | 1 | 1 | ||||
Ptilothrix bombiformis | 1 | 1 | ||||
Svastra atripes | 1 | 1 | ||||
Triepeolus lunatus | 1 | 1 | ||||
Grand Total | 8 | 3 | 14 | 6 | 42 | 73 |
Another interesting set of fields. Note all the Eucerine species (Melissodes and Svastra), which are usually good indicators of high quality habitat with plenty of large composites available in the landscape (especially true for Svastra). Also note that one of their relatively uncommon nest parasites was also caught (Triepeolus lunatus).
Two additional species worth noting, Lasioglossum creberrimum and Ptilothrix bombiformis, are both good indicators that wetlands are in the area. Lasioglossum creberrimum is usually associated with low wet coastal areas (ding!) and P. bombiformis is usually associated with Hibiscus plants, which I imagine must line the tidal wetlands nearby. Interestingly, you can also get P. bombiformis in the city, where they hang out on streetcorners sipping sweet drinks from other mallow plants such as Rose of Sharon.
Lasioglossum versatum sensu Mitchell is a species that likes southern coastal plain habitats. Its odd name comes from the fact that its taxonomic identity is being challenged and recent (but unpublished findings) indicate that this thing matches what Mitchell described as L. versatum but in actuality does not match the type specimen of L. versatum. The taxonomists will work it out in the near future and a new name will be given.
With respect to patterns among fields, there is a lot of conformity among these neighboring fields as far as species types and numbers go. No field appears much different from the others except that Field 5611 has pumped up numbers of M. comptoides for some unknowable reason. All and all I think this refuge is a keeper.
We are in luck in that Sandy has provided some pictures of these fields. They are posted below...
Sam Droege and Leo Shapiro
Listen to six mockingbirds
Flinging follies of O-be-joyful
Over the marshes and uplands.
- Carl Sandburg: Prairie
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