Research Article
A Survey of Bee Species Found Pollinating Watermelons in the Lower Rio Grande Valley of Texas
Table 1
Bee species collected from three Lower Rio Grande Valley watermelon fields during 2011.
| | Species | ARS | Mile 13 | Mile 14 | | Traps | Obs. | Traps | Obs. | Traps | Obs. |
| | Agapostemon angelicus/texanus
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| 1 | — | 12 | 1 | 38 | — | | Apis mellifera | 2 | 67 | 10 | 44 | 11 | 28 | | Augochlorella aurata | — | — | — | — | 1 | — | | Augochlorella bracteata | — | 1 | — | — | — | — | | Bombus impatiens | — | — | — | 3 | 1 | 1 | | Exomalopsis snowi | 1 | — | — | — | — | — | | Florilegus condignus | 1 | — | — | — | — | — | | Halictus ligatus | 3 | 2 | — | — | 1 | 1 | | Lasioglossum coactum | 38 | — | 5 | — | 6 | 1 | | Lasioglossum viridatum | — | — | — | — | 3 | — | | Lasioglossum sp. 1 | — | — | 1 | — | — | — | | Lasioglossum sp. 2 | 3 | — | 8 | — | 3 | — | | Lasioglossum spp. | — | 2 | — | — | — | — | | Melissodes thelypodii | 19 | 1 | 18 | 1 | 8 | 1 | | Nomada crucis | — | 1 | — | — | — | — | | Triepeolus helianthi | 3 | 1 | 1 | — | — | — | | Unknown Halictid | — | 1 | — | — | — | — |
| | Total: | 71 | 76 | 55 | 49 | 72 | 32 |
| | Overall Total: | 147 | 104 | 104 |
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of A. angelicus and A. texanus are morphologically identical and cannot be separated where the distribution of the two species overlap [11].
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