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Issue: Vol. 5589 No. 1: 19 Feb. 2025
Type: Article
Published: 2025-02-19
DOI: 10.11646/zootaxa.5589.1.28
Page range: 363-381
Abstract views: 81
PDF downloaded: 34

A review of literature and a reevaluation of Diplocardia verrucosa Ude 1895 resulted in the discovery of a new species in southern New Mexico and west Texas, USA

Division of Environmental Science; Arthur Temple College of Forestry and Agriculture; Stephen F. Austin State University; 419 East College Street; Box 6109; Nacogdoches; TX; USA 75962-6109
Department of Integrative Biology; University of Wisconsin–Madison; Madison; WI; USA 53706
Annelida Diplocardia farrishi Acanthodrilidae earthworm biogeography Chihuahuan Desert

Abstract

A new earthworm species, Diplocardia farrishi sp. nov., was collected from multiple sites within the Chihuahuan Desert of southern New Mexico and West Texas, USA. This new species was only recently recognized as such after a review of the literature on Diplocardia verrucosa Ude, 1895. Corrections in the literature of D. verrucosa, with additional morphological detail are offered with a detailed description of the species. The description of D. farrishi sp. nov. is compared with D. verrucosa based on the male pore, intestinal origin, genital tumescences, and habitat. Diplocardia farrishi differs from similar species with a posteriorly displaced male field in having an intestinal origin in xviii, male field in xix–xxi, and lacking genital tumescences or markings. A key to Diplocardia species with posteriorly displaced male field is included.

 

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