Crematogaster butteli

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Crematogaster butteli
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Crematogaster
Species group: ranavalonae
Species: C. butteli
Binomial name
Crematogaster butteli
Forel, 1913

Crematogaster butteli casent0193635 p 1 high.jpg

Crematogaster butteli casent0193635 d 1 high.jpg

Specimen Labels

This species is known only from the type locality in Sumatra.

Identification

Hosoishi (2015): This species is similar to Crematogaster tumidula but can be distiguished in having angulate anterolateral corners of the petiole.

Keys including this Species

Distribution

Distribution based on Regional Taxon Lists

Indo-Australian Region: Indonesia (type locality).

Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Castes

Nomenclature

The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • butteli. Crematogaster (Oxygyne) butteli Forel, 1913k: 78 (w.q.m.) INDONESIA (Sumatra).

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

Description

Worker

Hosoishi (2015) - (type workers, n = 5). HW 0.80-0.85; HL 0.76-0.80; CI 103-107; SL 0.64-0.67; SI 79-84; EL 0.16-0.17; PW 0.48-0.52; WL 0.91-0.96; PSL 0.12-0.14; PtL 0.21-0.22; PtW 0.22-0.24; PtH 0.15-0.16; PpL 0.14-0.15; PpW 0.24-0.25; PtHI 68-76; PtWI 95-114; PpWI 167-179; WI 100-119.

Head appearing subquadratic in front view. Mandible weakly striate, with four teeth, apical and subapical teeth large, basal two teeth smaller. Scape exceeding posterior corner of head, with appressed setae, each of which is as long as width of scape. Compound eye large and slightly projecting beyond lateral margin of head in full face view.

Ventrolateral katepisternal ridge indistinct posteriorly. Propodeal spine long and stout, longer than spiracle diameter, directed upward, dorsum higher than anterior propodeum in lateral view. Propodeal spiracle large, situated on lateral surface of propodeum and close to propodeal declivity in lateral view.

In dorsal view, shape of petiole scoop with tapering side posteriorly, longer than broad. Petiole with anterolateral corner angulate. Petiolar spiracle big, as wide as half of propodeal spiracle in size. Postpetiole bilobed but without longitudinal median sulcus. Postpetiole as wide as petiole in dorsal view.

Integument essentially smooth and shiny. Clypeus smooth and shiny without rugulae. Malar region generally smooth, with feeble rugulae. Dorsal surface of promesonotum smooth and shiny. Lateral surface of pronotum smooth and shiny. Mesopleuron shiny, but with longitudinal rugulae. Dorsal surface of propodeum smooth and shiny. Lateral propodeum shiny, but with longitudinal rugulae.

Erect pilosity almost absent. Dorsum of head, clypeus and mesosoma with sparse, short and appressed setae. Clypeus with one pair of longer setae on anteriormost portion, directed medially. Anterior clypeal margin with two pairs of longer setae on median portion, mixed with some shorter setae on sides. No erect setae on pronotal shoulder. Posterolateral tubercle with some appressed setae. Ventral surface of petiole with appressed setae. Postpetiole with one pair of longer erect setae posteriorly. Fourth abdominal tergite with appressed setae.

Body color reddish brown.

Type Material

References