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Pseudomyrmex gracilis

Graceful Twig Ant


Pseudomyrmex gracilis

Fabricius, 1804

Family: Formicidae
Order: Hymenoptera
Class: Insecta
Phylum / Division: Arthropoda
Kingdom: Animalia

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Records from Las Peñas


Description


Pseudomyrmex gracilis, also known as the graceful twig ant, Mexican twig ant, slender twig ant, or elongated twig ant, is a large, slender species of ant native to Mexico and arid parts of the US. The workers are about in length and generally wasp-like in appearance and style of movement. Worker ants are bi-colored; the head and gaster are dark, while the antennae, mouthparts, thorax and legs are dull orange with dark shading. They often may be seen on vegetation, foraging for live insects or collecting honeydew from sap-sucking insects.

If the colony ever finds themselves without a queen, the worker ants form dominance hierarchies by boxing with their antennae. This leads to a couple high ranking individuals which can lay eggs until a new queen returns.

Source: Wikipedia, article Pseudomyrmex gracilis. Content adapted from Wikipedia, available under the CC BY-SA 4.0 license. Accessed on 16/07/2026.





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Species photographs

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Foto
Photography ID: 439701
  Adult

Las Peñas
Córdoba
Argentina
03/14/2021
Carlos Carmona



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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
139006914/03/2021ArgentinaCórdobaEn casa, Las PeñasCarlos Carmona
Page 1

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Graceful Twig Ant (Pseudomyrmex gracilis) – Species account. Accessed from www.ecoregistros.org on 22/09/2026.