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Species Pseudomyrmex gracilis - Graceful Twig Ant

Pseudomyrmex - Pseudomyrmex gracilis - male - - Pseudomyrmex gracilis Id request - Pseudomyrmex gracilis Pseudomyrmex gracilis (Fabricius) - Pseudomyrmex gracilis - female Ant or wasp? - Pseudomyrmex gracilis another ant - Pseudomyrmex gracilis an interesting ant - Pseudomyrmex gracilis Pseudomyrmex gracilis with Crematogaster sp. - Pseudomyrmex gracilis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
Superfamily Formicoidea (Ants)
Family Formicidae (Ants)
Subfamily Pseudomyrmecinae
Genus Pseudomyrmex
Species gracilis (Graceful Twig Ant)
Other Common Names
Mexican Twig Ant, Slender Twig Ant
Synonyms and other taxonomic changes
Pseudomyrmex gracilis (Fabricius)
Orig. Comb: Formica gracilis Fabricius, 1804
Explanation of Names
gracilis (L). 'slender' (1)
8-10 mm (2)
A long, solitary, wasp-like ant. Large eyes, two segmented petiole, well developed sting. Color varies with geographic distribution, and can range from dark brown-black, to orange-brown, or a mixture of orange and brown [bicolored]. The variation found in Florida is mostly described as bicolored with a black head, black abdomen, and an orange middle region. (2)

Det. M. A. Quinn, 2010
se US (TX-FL-SC) / Mex. to S. Amer. (2)(AntWeb)(BG data)
Arboreal ant (2)
yr round (BG data)
Feeds on live insects (especially lepidopteran larvae), fungus spores, and tends aphids for honeydew (Whitcomb et al. 1972, Ferster et al. 2000). (2)
Life Cycle
Small nests. Leave pheromone trails. Unlike other members of this genus they are not associated with Acacia trees.
possesses a somewhat painful sting, perhaps approximate in intensity to the fire ant, Solenopsis invicta, but rarely uses it. (Graham Montgomery, pers. obs.)
Print References
Beardsley, J.W. 1979. Notes on Pseudomyrmex gracilis mexicanus (Roger). Proceedings of the Hawaiian Entomological Society 23: 23.
Wetterer, J.K. 2010. Worldwide spread of the graceful twig ant, Pseudomyrmex gracilis (Hymenoptera: Formicidae). Florida Entomologist 93: 535-540.
Internet References
Featured Creatures - Patricia L. Toth, University of Florida
Ants (Formicidae) of the se US - Joe A. MacGown, Mississippi State University
Works Cited
1.Dictionary of Word Roots and Combining Forms
Donald J. Borror. 1960. Mayfield Publishing Company.
2.University of Florida: Featured Creatures Series