Myrmicinae, Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
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The above images are of a specimen from La Selva. Additional images are of a worker from Carara Biological Reserve: lateral view (small, large); face view (small, large).
Range
Costa Rica to Brazil. Costa Rica: Atlantic and southern Pacific lowlands.
Identification
Petiole with short peduncle and non-quadrate node.
Natural History
I know of only two Costa Rica records. Phil Ward collected workers and a dealate queen in a recent treefall at Carara Biological Reserve. David Olson collected workers during his study of Winkler and Pitfall trap sampling methods at La Selva Biological Station. I have collected the species at Barro Colorado Island in Panama. I found a nest under a bark flap on a recent treefall.
Comments
The workers from La Selva look slightly different from the Carara and Panama workers, and I used to call them a distinct morphospecies, JTL-002. On the La Selva workers, the erect setae are longer and less curved than on Carara and Panama specimens.
Page author:
John T. Longino, The Evergreen State College, Olympia WA 98505 USA. longinoj@evergreen.edu
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