Aretidris clousei

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Aretidris clousei
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Aretidris
Species: A. clousei
Binomial name
Aretidris clousei
General, 2015

Aretidris clousei HT lateral.jpg

Aretidris clousei HT dorsal.jpg

Specimen labels

This species was collected by leaf litter sifting. It forages diurnally as individuals in the leaf litter.


  • Head and mesosoma heavily sculptured; erect hairs moderately abundant on head and mesosoma; 1st gastral tergite slightly less than half the length of gaster; body larger (HW > 0.88) . . . . . Aretidris buenaventei
  • Head and mesosoma mostly smooth; erect hairs sparsely distributed on head and mesosoma; 1st gastral tergite extremely large, accounting for most of the length of gaster; body smaller (HW < 0.84) . . . . . Aretidris clousei


Distribution based on Regional Taxon Lists

Indo-Australian Region: Philippines (type locality).

Distribution based on AntMaps


Distribution based on AntWeb specimens

Check data from AntWeb


This is likely the same species that was included in the phylogenetic analysis of Lordomyrma (Lucky & Sarnat 2010) as 'Genus undet. PH03'. Although the outgroup sampling was very limited, the analysis suggested the genus is a close relative of Lordomyrma.


Known only from the worker caste.


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

  • clousei. Aretidris clousei General, 2015: 134, figs. 7-12 (w.) PHILIPPINES (Luzon I.).

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



Holotype. CI 87, EI 23, EL 0.19, HFL 1.13, HL 0.95, HW 0.83, ML 1.38, MtL 1.23, PW 0.68, SI 103, SL 0.85, TL 4.65. Paratypes: CI 84 - 89, EI 20 - 24, EL 0.16 - 0.20, HFL 1.10 - 1.15, HL 0.93 - 0.98, HW 0.80 - 0.84, ML 1.33 - 1.40, MtL 1.13 - 1.23, PW 0.68 - 0.73, SI 97 - 106, SL 0.80 - 0.88, TL 4.55 - 4.76 (4 measured). With all the character states of the genus. Body mostly smooth. Scattered punctures over the head and mesosoma bear long erect to suberect hairs. First gastral tergite (= abdominal tergite IV) huge, accounting for most of the length of gaster.

Type Material

Holotype worker, Philippines: Luzon Island, Sorsogon Province, Municipality of Bulusan, Bulusan Volcano Natural Park, Aguingay Lake, Southwest Ridge, 900 m a.s.l., 12° 46' 13" N 124° 04' 16" E, 9.VI.2014, secondary forest, ex leaf litter, leg. R. Clouse (National Museum of the Philippines 9004) (deposited in PNM). Paratypes: 2 workers with same data as holotype; 2 workers with same data as holotype except 10.VI.2014 (PNM 9005 - 9008) (one pin each to: Australian National Insect Collection, The Natural History Museum, Museum of Comparative Zoology, University of the Philippines Los Baños).


This species is dedicated to my good friend Ronald M. Clouse who collected all the type specimens.


  • General, D.E.M. 2015. Aretidris, a new genus of ants (Hymenoptera: Formicidae: Myrmicinae) from the mountains of Luzon Island, Philippines. Myrmecological News, 21, 131-136.
  • Lucky, A. and Sarnat, E. M. (2010), Biogeography and diversification of the Pacific ant genus Lordomyrma Emery. Journal of Biogeography, 37: 624–634. doi:10.1111/j.1365-2699.2009.02242.x | PDF