Start: Morning, 27 March
End: 5:00 p.m.31 March
Habitat: Patuxent River, bottomland, young deciduous woods, many spring beauties in bloom
Bees: Andrena primarily
Experiment: 9 sets of 4 bowls. At each set was 2 3.25 ounce white solo brand bowls and 2 Styrofoam 16 ounce cups laid in small square a bit more than one foot apart. Each type of bowls was filled either with a detergent mix or a glycol mix (Walmart RV antifreezed, dyed red). The capture was not removed the entire time.
Results
Site Numbers are in the first row. "n" refers to a bowl that was spilled or had no liquid.
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Average | |
| Solo/Detergent | 1 | n | 0 | 4 | n | 2 | 4 | 0 | 2 | 1.86 |
| Solo/Glycol | 3 | 0 | n | n | 2 | 4 | 4 | 0 | 1 | 2.00 |
| Styrofoam/Detergent | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0.22 |
| Styrofoam/Glycol | 0 | 0 | 0 | n | 0 | 0 | 0 | 0 | 0 | 0.00 |
Interpretation: It is clear that there is a strong difference between the Plastic cups and the Styrofoam cups but not between glycol and soap.
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