Leptanilloides improvisa

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Leptanilloides improvisa
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Dorylinae
Genus: Leptanilloides
Species: L. improvisa
Binomial name
Leptanilloides improvisa
Brandão, Diniz, Agosti & Delabie, 1999



Distribution based on Regional Taxon Lists

Neotropical Region: Ecuador (type locality).

Check distribution from AntMaps.

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Check specimen data from AntWeb




The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • improvisa. Leptanilloides improvisa Brandão, Diniz, Agosti & Delabie, 1999: 28, figs. 3, 4, 16, 22 (w.) ECUADOR.

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.



Holotype (MCZ) (in mm): HL 0.50, HW 0.38, SL 0.26, WL 0.68, CI 76, SI 68, SRI.

The postpetiole nearly as high dorsoventrally than the first fourth abdominal segment. The coarser head sculpture and mandibular teeth, better developed in relation to the other species in the genus, distinguishes L. improvisa from all other Leptanilloides.

Other relevant characters include: head with convex sides in full-face view, head sculpture with up to 20 deep foveolae covering a straight transverse line at head midlength; inner margins of the frontal carinae are separated from each other; flange over the metapleural gland opening rounded, and it does not surpass the lateral propodeum profile.


The following references are based on the 2007 CD version of the Online Catalogue of the Ants of the World.

  • Brandão, C. R. F.; Diniz, J. L. M.; Agosti, D.; Delabie, J. H. C. 1999. Revision of the Neotropical ant subfamily Leptanilloidinae. Syst. Entomol. 24: 17-36 (page 28, figs. 3,4, 16, 22 worker described)

Additional References

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