International Journal of Zoology and Animal Biology (IZAB)

ISSN: 2639-216X

Research Article

Reexamining Pseudoglaridacris confusus (Hunter, 1929) nom. nov. (Cestoda: Caryophyllidae) from buffalo fish, Ictiobus spp. in Arizona, USA

Authors: Amin OM* and Rubtsova NYu

DOI: 10.23880/izab-16000420

Abstract

Specimens of Pseudoglaridacris confusus (Hunter, 1929) nom. nov. (Caryophyllidae) first described as Glaridacris confusus Hunter, 1929 and subsequently designated as Pseudoglaridacris confusa Oros, Uhrovič, Scholz, 2018 were collected and examined from 3 species of buffalofish, Ictiobus cyprinellus (Valenciennes), I. bubalus (Raf.), and I. niger (Raf.) in 2 Arizona lakes, Roosevelt and Apache lakes, on the Salt River, Arizona. We update our first and only 1969 redescription of this Arizona population, with new observations and measurements, compare with those in the original description, and assess the status of P. confusus in light of the recent taxonomic treatments of this species. The morphology of P. confusus is revisited using light microscopy revealing new features. Emphasis is placed on the morphological variability of its scolex. The re-examination of over 50 specimens from the Apache and Roosevelt lakes provided an opportunity to revise the taxonomy of the species and correct and update some old statements and concepts by other observers.

Keywords: Pseudoglaridacris confusus; Zoogeography; Caryophyllideans

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