Images

Nomada affabilis...a very large Nomada. I think this species is almost certainly a nest parasite of bees in the genus Eucera...which is quite a different path from most of the other Nomada which are primarily, though not exclusively, nest parasites of Andrena.

This Nomada is also from Washington County in southeastern Ohio. It was also collected by MaLisa Spring and is thought to be a nest parasites of Andrena macra a southern bee. Why are they all stripy and yellow? Photographed by Brooke Alexander.

This Nomada is also from Washington County in southeastern Ohio. It was also collected by MaLisa Spring and is thought to be a nest parasites of Andrena macra a southern bee. Why are they all stripy and yellow? Photographed by Brooke Alexander.

This bee lays its eggs in the nests of Andrena macra. Well not this one because it is a male....but you get the point. MaLisa Springs collected this specimen in Southeastern Ohio. Photograph by Brooke Alexander.

One of the western Nomada bee species, that just barely makes into the East. Unusual in how white some of the markings are on the abdomen. This nest parasite was collected by Elaine Evans in North Dakota.

One of the western Nomada bee species, that just barely makes into the East. Unusual in how white some of the markings are on the abdomen. This nest parasite was collected by Elaine Evans in North Dakota.

One of the western Nomada bee species, that just barely makes into the East. Unusual in how white some of the markings are on the abdomen. This nest parasite was collected by Elaine Evans in North Dakota.

Nomada articulata - A nest parasite of bright green Agapostemons. Most Nomada are nest parasites of Andrena. Not this species. The male is noted for its antenna mods. There is an odd sharp spine underneath the 3rd elongated flagellar segment. Why? Several other Nomada kin have the same thing, so it must be useful.

Nomada articulata - A nest parasite of bright green Agapostemons. Most Nomada are nest parasites of Andrena. Not this species. The male is noted for its antenna mods. There is an odd sharp spine underneath the 3rd elongated flagellar segment. Why? Several other Nomada kin have the same thing, so it must be useful.

Nomada articulata - A nest parasite of bright green Agapostemons. Most Nomada are nest parasites of Andrena. Not this species. The male is noted for its antenna mods. There is an odd sharp spine underneath the 3rd elongated flagellar segment. Why? Several other Nomada kin have the same thing, so it must be useful.

A nest parasite of a bee. This species lays its eggs in the nests of Agapostemon bees, where it kills the host larva and then eats the stores placed there by the host female. We all know people like this. Bee was collected in New York City as part of a survey of bees of Gateway National Recreation Area. Photograph by Brooke Alexander.

A nest parasite of a bee. This species lays its eggs in the nests of Agapostemon bees, where it kills the host larva and then eats the stores placed there by the host female. We all know people like this. Bee was collected in New York City as part of a survey of bees of Gateway National Recreation Area. Photograph by Brooke Alexander.

A nest parasite of bees in the genus Agapostemon...perhaps this one targets Agapostemon splendens...which as the name implies is particularly splendidly arrayed in metallic blues and greens. This bee was captured as part of a survey of bees in Gateway National Recreation Area...which includes much of the harbor area of New York City.

A nest parasite of bees in the genus Agapostemon...perhaps this one targets Agapostemon splendens...which as the name implies is particularly splendidly arrayed in metallic blues and greens. This bee was captured as part of a survey of bees in Gateway National Recreation Area...which includes much of the harbor area of New York City.

A nest parasite of bees in the genus Agapostemon...perhaps this one targets Agapostemon splendens...which as the name implies is particularly splendidly arrayed in metallic blues and greens. This bee was captured as part of a survey of bees in Gateway National Recreation Area...which includes much of the harbor area of New York City.

First Maryland record for this species. A possible nest parasite of Andrena wilkella. Picked up at Andelot Farm in Kent County Maryland.Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

First Maryland record for this species. A possible nest parasite of Andrena wilkella. Picked up at Andelot Farm in Kent County Maryland.Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

First Maryland record for this species. A possible nest parasite of Andrena wilkella. Picked up at Andelot Farm in Kent County Maryland.Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200, link to a .pdf of our set up is located in our profile

The genus Nomada includes many species with murky taxonomies. The group of species with an extra tooth off the tip (we call them the bidentate group) are particularly tricky with molecular working showing it to be a swarm of many "species". So it goes in insect land.

The genus Nomada includes many species with murky taxonomies. The group of species with an extra tooth off the tip (we call them the bidentate group) are particularly tricky with molecular working showing it to be a swarm of many "species". So it goes in insect land.

The genus Nomada includes many species with murky taxonomies. The group of species with an extra tooth off the tip (we call them the bidentate group) are particularly tricky with molecular working showing it to be a swarm of many "species". So it goes in insect land.