Published April 7, 2022 | Version v1
Taxonomic treatment Open

Isometrus Ehrenberg 1828

  • 1. InSearch Environmental Solutions, C- 26 / 9, Ketan Heights, Kothrud, Pune, Maharashtra 411038, India. & Institute of Natural History Education and Research (INHER), B 1 - 602, Kumar Parisar, Kothrud, Pune, Maharashtra 411038, India.
  • 2. InSearch Environmental Solutions, C- 26 / 9, Ketan Heights, Kothrud, Pune, Maharashtra 411038, India. & Department of Environmental Science, Fergusson College, Pune, Maharashtra 411004, India.
  • 3. InSearch Environmental Solutions, C- 26 / 9, Ketan Heights, Kothrud, Pune, Maharashtra 411038, India. & Annasaheb Kulkarni Department of Biodiversity, Abasaheb Garware College, Karve Road, Pune, Maharashtra 411004, India. & Department of Biotechnology, Fergusson College, Pune, Maharashtra 411004, India.
  • 4. InSearch Environmental Solutions, C- 26 / 9, Ketan Heights, Kothrud, Pune, Maharashtra 411038, India.

Description

Key to Isometrus species from India

1. Ventral median carina on vesicle strongly granular ..................... I. tamhini (Sulakhe et al., 2020)

– Ventral median carina on vesicle moderately granular....................................................................2

– Ventral median carina on vesicle weakly granular..........................................................................3

2. Surface of carapace coarsely and densely granular ................................. I. wayanadensis sp. nov.

– Surface of carapace finely and densely granular ......................... I. amboli (Sulakhe et al., 2020)

3. Chela length to width ratio in males 10.6 ...................................................... I. nakshatra sp. nov.

– Chela length to width ratio in males 5.0–6.4..................................................................................4

4. Lateral supramedian and ventral lateral carinae on metasomal segments II–IV strongly granular; metasomal length to carapace length ratio in males 5.9–6.1 ................................................................ ....................................................................................... I. sankeriensis (Tikader & Bastawade, 1983)

– Lateral supramedian and ventral lateral carinae on metasomal segments II–IV moderately to weakly granular; metasomal length to carapace length ratio in males 6.5–8.2............................................5

5. Surface of carapace coarsely and sparsely granular, with some areas without granules; anterior margin of carapace sharply curved near lateral ocelli ........................ I. thurstoni (Pocock, 1983)

– Surface of carapace more closely granular in inter-ocular area and median posterior ocular area; anterior margin of carapace curved near lateral ocelli .................. I. kovariki (Sulakhe et al., 2020)

Notes

Published as part of Sulakhe, Shauri, Deshpande, Shubhankar, Gowande, Gaurang, Dandekar, Nikhil & Ketkar, Makarand, 2022, Arboreal gems: resurrection of Isometrus sankeriensis Tikader & Bastawade, 1983 and descriptions of two new species of Isometrus Ehrenberg, 1828 (Scorpiones: Buthidae) from the Western Ghats, India, pp. 1-50 in European Journal of Taxonomy 811 (1) on pages 44-45, DOI: 10.5852/ejt.2022.811.1725, http://zenodo.org/record/6448654

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Linked records

Additional details

Identifiers

URL
http://treatment.plazi.org/id/0D4A7105FFD48970B0F4ADF0FAEBCCF9
LSID
urn:lsid:zoobank.org:act:2FC053B2-9202-4A22-8149-CBBE556C27AF

Biodiversity

References

  • Tikader B. K. & Bastawade D. B. 1983. Scorpions (Scorpionida: Arachnida). Vol. III. In: Tikader B. K. (ed.) The Fauna of India. Zoological Survey of India, Calcutta [Kolkata].