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Arrhopalites amarus

Arrhopalites amarus

Christiansen, 1966

GBIF:119344072

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Descriptions(1)

Type locality: USA, Illinois, Volo. (Fig. 16 A – K) Pygmaeus ­ group s. str. Total length, 1.0 mm. Color white, eyes 1 + 1. Strong posterior cephalic spines present. Ant. III not swollen basally. Ant. IV divided into six subsegments. All ungues with a small inner tooth, tunica present in the second and third ungues. All unguiculi with corner tooth, apical filament exceeding the unguis tip on first and second unguiculi. Dental chaetotaxy in table 3, ventral dental formula 3: 2: 1: 1. Anal valve chaetotaxy in table 2, cuticular spines absent on anal valve. Biogeographic zone 8 and 24 a in Neotropical region.
Zeppelini, Douglas (2006): The genus Arrhopalites Börner, 1906 (Collembola, Appendiciphora, Arrhopalitidae) in the Neotropical Region, with description of four new cave species from Brazil. Zootaxa 1124: 1-40, DOI: 10.5281/zenodo.171788

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FIGURE 16. A. amarus. A, fourth antennal segment; B, apical subsegment of fourth antennal segment; C, apical sensory organ of third antennal segment; D, body setae (a, anterior, b, posterior); E, ventral and dorsal chaetotaxy of the dens; F, mucro; G, metatrochanteral organ; H, tenaculum; I, anal valve chaetotaxy; J, posterior cephalic chaetotaxy; K, foot complex (a, first leg, b, second leg, c, third leg).

Imageimage/png© Zeppelini, DouglasZeppelini, Douglas

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Source Information

The genus Arrhopalites Börner, 1906 (Collembola, Appendiciphora, Arrhopalitidae) in the Neotropical Region, with description of four new cave species from Brazil

checklist

This dataset contains the digitized treatments in Plazi based on the original journal article Zeppelini, Douglas (2006): The genus Arrhopalites Börner, 1906 (Collembola, Appendiciphora, Arrhopalitidae) in the Neotropical Region, with description of four new cave species from Brazil. Zootaxa 1124: 1-40, DOI: 10.5281/zenodo.171788

Abstract

Twenty two known and new Neotropical species of the genus Arrhopalites (Collembola: Arrhopalitidae) are revised and diagnosed. The four new cave species from Brazil are described and illustrated and the remaining Brazilian and Mexican species are redescribed and illustrated. Neotropical species are distributed along the Good’s biogeographic zones 8, 24a, 27 and 29. Four species described as Arrhopalites are replaced in the genus Pararrhopalites Bonet & Tellez 1944 based on their morphology. A short discussion is made about the distribution of the genus in the Neotropical Region, and a key for identification of the Neotropical species is provided.

Key words: Collembola, Symphypleona, Arrhopalitidae, Arrhopalites, cave Collembola, Neotropical Region

Zeppelini D, plazi (2006). The genus Arrhopalites Börner, 1906 (Collembola, Appendiciphora, Arrhopalitidae) in the Neotropical Region, with description of four new cave species from Brazil. Plazi.org taxonomic treatments database. Checklist dataset https://doi.org/10.5281/zenodo.171788 accessed via GBIF.org on 2026-06-15.

CC0Published 12/31/2006View dataset
GBIF Usage Key
119344072
Dataset Key
ef6107b2-b18b-42b2-ac42-60b992d8ae78
Origin
source
Backbone Key
2122269
Taxon ID
03C387C2FFE6FFC7FE9C47D6AE5A3466.taxon
Last Crawled
6/4/2026
Last Interpreted
6/4/2026