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This is my first post on this forum, so I'll start by saying: this site is a wealth of information, very nice! :)
As the subject indicates, I capture a worker from a colony living in my backyard (South Carolina) and I'd like some help to ID it. From the research Ive done, I have a suspicion that this could be Linepithema humile , the argentine ant, although it doesn't really fit the behavior pattern as this species is not aggressive at all. Anyway, I'm having a tough time trying to ID since I'm very new to this hobby. I attached some pictures, but the quality could be better; I have a pretty low end camera and the ant is only about 2mm long.
http://i94.photobucket.com/albums/l88/capitalo/IMG_4954.jpg
http://i94.photobucket.com/albums/l88/capitalo/IMG_4953.jpg
http://i94.photobucket.com/albums/l88/capitalo/IMG_4952.jpg
These ant's seem to forage somewhat independently in small groups, and they are constantly active. They were transferring larvae from one nest to another today as I was watching them. All of the ants Ive seen seem to be about 2mm long workers. Any help is appreciated!
Hi,
these ants aren´t Linepithema humile. But Im not too sure...
The color is untypical for Linepithema humile. In my opinion
they might be Monomorium pharaonis. But Im also not sure.
We will see what ohter say...
All dead ants look so similar :| Maybe find a living one?
Thanks for the feedback guys :)
Philsen- I think your right, I doubt these ants are Linepithema humile as well. Although, I don't think they could be Monomorium pharaonis either; as far as I can tell, the ants in question have one node and the pharaonis have two nodes. They do look quite similar in size and coloration though.
tail- These ants are very small, about 2mm, and very fast. Theres no way I could get a decent picture of a live one with the camera I'm using.
I did a bit more research, I think this is a species of Dorymyrmex. Possibly Dorymyrmex bureni; the species is common here in SC and the ants in question fit the profile quite well. They have a single node and a pyramid shaped peak on their thorax, the first picture I posted shows these same features.
Hello CapitalO,
I think it's a Dorymyrmex specie too. Linepithema humile have mandible longer than this, and Monomorium, like other Myrmicinae species, have two nodes, you said. Then, Linepithema humile have a propodeum curved, while Dorymyrmex have a propodeum convex (the pyramid shaped peak on thorax), like the ant in photos. But Dorymyrmex have scapes shorter than this... I'm not too sure. How long maxillary palpi?
Hi CapitalO and welcome,
Nice to see you are interested in keeping ants. It a fun hobby. ;)
Can't help you with the species you are looking for. But if it is possible try to get some better pictures.
Specomyrmex- I'm uncertain what the maxillary palpi are; but the scapes, as you said, are very long. All of their appendages seem quite long.
JimmyVe- I'll do my best to get some better pictures :)
On a side note, I went hiking today through a remote coastal trail and investigated all the ant nests I could find. Apart from one nest of a small black colored ant, every nest I found was Solenopsis invicta fire ants. I stopped counting at about fifty mounds (most of which were 1' tall or more) on a 8 mile stretch. Fire ants are a major problem in South Carolina; they are practically ubiquitous and have unfortunately wiped out most native ant species. Regardless of the risk, I'm considering keeping a colony of S. invicta. I like their high level of activity and productivity, they are also readily available.
Apart from the question of species selection, should I wait untill the spring to collect a queen/colony?
They do indeed look rather like a Dorymyrmex species. however if you can get a good side view of the ant we can be sure.
Apart from the question of species selection, should I wait untill the spring to collect a queen/colony?
Best time to get a queen is after the flight. Depends on the species, some have there flights in spring other in summer.
CapitalO - maxillary palpi are two short palpi under the mandible, very similar to antennae. In some cases, maxillary palpi lenght is conclusive to identify an ant specie. Dorymyrmex have maxillari palpi long.
Regards