Mason bee (Osmia sp.) larvae within their cylindrical cavities in a man-made nesting box.

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Mason bee (Osmia sp.) larvae within their cylindrical cavities in a man-made nesting box. The female bee provisions each cell with pollen, and makes mud partitions between each developing larva.

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Size: 5146px × 3417px
Photo credit: © Scott Camazine / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: bee, development, mason, metamorphosis, nest, osmia, solitary