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Stelis australis....A nice colorful Stelis from the pinelands of Georgia. This group is likely to be a nest parasite (lays eggs in nests of other bees) of species in the uncommon Megachilidae bee genus Trachusa, so overall a very rare bee on an uncommon to rare host. Nice to see that such things still exist. This one was collected by Sabrie Breland.

Nest parasite, yup, this is a bee, but one that invades the nests of leaf-cutting bees in the genus Megachile. This smart looking male was collected by bee girl Sabrie Breland in South Georgia near the Florida Border. Picture was taken by Brooke Alexander.

Nest parasite, yup, this is a bee, but one that invades the nests of leaf-cutting bees in the genus Megachile. This smart looking male was collected by bee girl Sabrie Breland in South Georgia near the Florida Border. Picture was taken by Brooke Alexander.

Nest parasite, yup, this is a bee, but one that invades the nests of leaf-cutting bees in the genus Megachile. This smart looking male was collected by bee girl Sabrie Breland in South Georgia near the Florida Border. Picture was taken by Brooke Alexander.

Not awesome pictures, but sometimes we need to take pictures of very rare specimens not because they are beautiful in aspect but because they are all we have. Stelis foederalis is a rare nest parasite of presumably Osmia species. These were found on Isle Royale wayyyyy up in Lake Superior closer to Canada than Michigan.

Not awesome pictures, but sometimes we need to take pictures of very rare specimens not because they are beautiful in aspect but because they are all we have. Stelis foederalis is a rare nest parasite of presumably Osmia species. These were found on Isle Royale wayyyyy up in Lake Superior closer to Canada than Michigan.

Not awesome pictures, but sometimes we need to take pictures of very rare specimens not because they are beautiful in aspect but because they are all we have. Stelis foederalis is a rare nest parasite of presumably Osmia species. These were found on Isle Royale wayyyyy up in Lake Superior closer to Canada than Michigan.

Not awesome pictures, but sometimes we need to take pictures of very rare specimens not because they are beautiful in aspect but because they are all we have. Stelis foederalis is a rare nest parasite of presumably Osmia species. These were found on Isle Royale wayyyyy up in Lake Superior closer to Canada than Michigan.

Not awesome pictures, but sometimes we need to take pictures of very rare specimens not because they are beautiful in aspect but because they are all we have. Stelis foederalis is a rare nest parasite of presumably Osmia species. These were found on Isle Royale wayyyyy up in Lake Superior closer to Canada than Michigan.

Stelis labiata "“ A female of a very rare species found, in this case in the sandhills of North Carolina, collected by Heather Campbell

Stelis labiata "“ A female of a very rare species found, in this case in the sandhills of North Carolina, collected by Heather Campbell

Stelis labiata "“ A female of a very rare species found, in this case in the sandhills of North Carolina, collected by Heather Campbell

Stelis labiata "“ A male of a very rare species found, in this case in the sandhills of North Carolina, collected by Heather Campbell

Stelis labiata "“ A male of a very rare species found, in this case in the sandhills of North Carolina, collected by Heather Campbell Canon Mark II 5D, Zerene Stacker, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash, F5.0, ISO 100, Shutter Speed 200

Stelis labiata "“ A male of a very rare species found, in this case in the sandhills of North Carolina, collected by Heather Campbell and photographed by Amber Joyce.

Stelis labiata "“ A male of a very rare species found, in this case in the sandhills of North Carolina, collected by Heather Campbell and photographed by Amber Joyce.

Stelis labiata "“ A male of a very rare species found, in this case in the sandhills of North Carolina, collected by Heather Campbell and photographed by Amber Joyce.

Stelis lateralis - A nest parasite of Osmia...often seemingly associated with O. pumila. This one was found in the New York City area in Gateway National Recreation Area. Photographed by Kamren Jefferson and photo shopped by Elizabeth Garcia.

Stelis lateralis - A nest parasite of Osmia...often seemingly associated with O. pumila. This one was found in the New York City area in Gateway National Recreation Area. Photographed by Kamren Jefferson and photo shopped by Elizabeth Garcia.

From Gateway National Recreation Area, is a little tiny parasitic be that Pearson sizes things like Osmia pumila. About 20 percent of all bees are nest parasites, Must be a fairly successful strategy. Photography by Kamren Jefferson and photo shopping by Dejen Mengus.

Stelis louisae, Prince George's county Maryland