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Species: Mayriella warchalowskii   Borowiec, 2007 

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Taxonomic History (provided by Barry Bolton, 2020)

Mayriella warchalowskii Borowiec, 2007C PDF: 774, figs. 1-3 (w.) INDIA. Indomalaya. AntCat AntWiki HOL


  Geographic regions (According to curated Geolocale/Taxon lists):
    Asia: Bhutan, India
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:

India, Bhutan, Vietnam

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Borowiec, M. L., 2007, A third species of Mayriella from the Oriental Region (Hymenoptera: Formicidae)., Genus 18, pp. 773-776

Mayriella warchalowskiiHNS n. sp.

(Figs. 1-3)


This species is dedicated to a prominent specialist on Chrysomelid beetles, professor Andrzej Warchalqwski, celebrating his 80th birthday.

1-2. Mayriella warchalowskiiHNS, holotype worker: 1 - body lateral, 2 - body dorsal


Holotype worker, bearing printed label "NE INDIA, Meghalaya, Khasi Hills, Mawsynram 25°18'N 91°29'E, 800±100m P. Pacholatkue", and red, printed label "HOLOTYPUS Mayriella warchalowskii des. M.L. Borowiec" (Deposited in the Department of Biodiversity and Evolutionary Taxonomy, Zoological Institute, University of Wroclaw, Wroclaw, Poland). GoogleMaps


Sculpturing of antennal scrobe developed as transverse carinulation in front, turning into reticulum in posterior section; sculpturation on dorsal surface of mesosoma consisting of large, widely spaced foveae; interspaces between foveae on dorsum and lateral surface of mesosoma, as well as vertex wide and shining, but with fine rugoreticulum; similar rugoreticulum present also on, otherwise shining, dorsal and lateral surfaces of petiole and postpetiole; propodeal spines relatively long and thin; dorsal surface of petiole in lateral profile uniformly convex, without distinct dorsal and posterior faces and forming blunt angle with anterior face; anterior face of petiole in lateral view shallowly concave; in dorsal view, anterior and posterior regions of postpetiole are of the same width; body pilosity consisting of long, apically curved hairs present on dorsal surface of head, and short, appressed pubescence present on head, dorsal surface of mesosoma, postpetiole, gaster, and appendages.

Measurements of holotype worker: CI 1.02; HL 0.43; HTL 0.25; HW 0.44; ML 0.49; PW 0.28; SI 0.61; SL 0.27

3. Mayriella warchalowskiiHNS, holotype worker: front of head


The new species can be easily separated from two other Oriental MayriellaHNS by 1) the smooth, wide interspaces of foveae present on lateral and dorsal surfaces of promesonotum, and 2) different shape of petiole. In both M. transfugaHNS and M. granulata pro-mesonotal region is very heavily sculptured with foveae almost touching each other, and dorsal surface of petiole is meeting its anterior face at a sharp angle. M. warchalowskiiHNS can be considered somewhat similar to M. sharpi Shattuck & Barnett, 2007, but the new species lacks ventrally pointed eye characteristic of sharpi. Combination of large foveae with wide, shining interspaces on lateral surface of pro-mesonotal region, relatively low and long petiole, and lack of long hairs on mesosomal dorsum allows quick separation from other species of the genus.


Unfortunately, this species is described from only one specimen so nothing can be said about infraspecific variability of characters, which sometimes can be considerable,

as in M. abstinensHNS Forel, 1902 (Shattuck & Barnett 2007).

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