16 replies to this topic

[TheMicroPlanet]

1. Location of collection: New York, USA

2. Date of collection: 1-12-20
3. Habitat of collection: (very) old sandbox
4. Length: About 2 mm (smaller than P. Imparis)
5. Coloration: Light brownish
6. Distinguishing characteristics: Tibial spur, 12 antennal segments, single-segmented petiole, (see pictures for reference)

 

 

 

 

 

 

 

 

My guess is some sort of Lasius sp.

Edited by TheMicroPlanet, January 12 2020 - 12:35 PM.

[Martialis]

Better photos?

 

This seems tentatively like Brachymyrmex depilis or Lasius neoniger.

 

This is B. depilis. 

Edited by Martialis, January 12 2020 - 1:11 PM.

[TheMicroPlanet]

Better photos?

 

This seems tentatively like Brachymyrmex depilis or Lasius neoniger.

 

This is B. depilis. 

Yeah sorry about the photos... i took these under a microscope with an iPhone.

 

And I don't think this is B. depilis. The antennae are different and depilis doesn't have that little knob on the propodeum in profile view.

Edited by TheMicroPlanet, January 12 2020 - 12:23 PM.

[Aaron567]

It looks like Lasius neoniger. My reasoning is that the eyes look a little too large for pallitarsis and americanus probably wouldn't be as light colored.

 

All species in the genus Brachymyrmex have only 9-segmented antennae, and that's including the antennal scape (the long part that is only one segment). Lasius have 12 segments; you missed the first segment of the funiculus and the scape which would total to 12 segments.

[TheMicroPlanet]

It looks like Lasius neoniger. My reasoning is that the eyes look a little too large for pallitarsis and americanus probably wouldn't be as light colored.

 

All species in the genus Brachymyrmex have only 9-segmented antennae, and that's including the antennal scape (the long part that is only one segment). Lasius have 12 segments; you missed the first segment of the funiculus and the scape which would total to 12 segments.

Ah ok. I'll make sure to change the antennal segment count in the description.

[TheMicroPlanet]

Alright I did some more research and I think it might be Dorymyrmex sp.

Edited by TheMicroPlanet, January 20 2020 - 12:58 PM.

[gcsnelling]

It's a Lasius.

[ponerinecat]

Good job on the ID format, this is a Lasius sp. 

[Skwiggledork]

I'm far from good at IDing ants, but don't the mandibles look like a Polyergus sp?

[NickAnter]

I'm far from good at IDing ants, but don't the mandibles look like a Polyergus sp?

No, just the weird angle. And this is far too small to be Polyergus.

[TheMicroPlanet]

Ok definitely is Lasius; anyone got any idea on the species?

[rbarreto]

Good way to confirm would be a better angled pic of the clypeus and a picture of the antennal scapes.

Edited by rbarreto, January 20 2020 - 2:26 PM.

[Ants4fun]

This is Lasius neoniger

[TheMicroPlanet]

This is Lasius neoniger

I think you may be right...

Good way to confirm would be a better angled pic of the clypeus and a picture of the antennal scapes.

This ant is looooong gone.

[RushmoreAnts]

If it's dead and still in your possession you can still take pictures, but I assume it was released or escaped?

Edited by AntsDakota, January 21 2020 - 11:28 AM.

[TheMicroPlanet]

If it's dead and still in your possession you can still take pictures, but I assume it was released or escaped?

I released it

[RushmoreAnts]

Lasius are so cute..... especially their pudgy white callows.