AnimaliaacceptedgenusAccepted
Amazhomidia

Amazhomidia

Cipola & Bellini, 2016

GBIF:141263925

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Descriptions(1)

Key to Amazhomidia species

1 Cephalic groove with 1+1 surrounding scale-like chaetae (Fig. 10).............................................. 2

- Cephalic groove only with surrounding ciliate chaetae, scale-like chaetae absent (Figs 5D, 18E)....................... 3

2 Body dark blue; dorsal head with 4 mac on Gr. II (Fig. 18B); Th II with m2, m 2i and m4p mac (Fig. 6A); Brazil ...................................................................................... A. ducke Cipola & Bellini 2016

- Body dark yellow (Fig. 9); dorsal head with 5-6 mac on Gr. II (Fig. 13C); Th II without m2, m 2i and m4p mac (Fig. 14A); Brazil ................................................................................. A. thaisae sp. nov.

3 Antennal bulb absent (Fig. 3B); dorsal head with M1 and S1 mac respectively on median and sutural series (Fig. 5B); basomedian labial field with chaetae m1–2 (Fig. 5D); Abd II with 4 median mac (Fig. 6D); Abd IV with 29–30 median mac (Fig. 7A); Brazil ................................................................................ Amazhomidia sp. 1

- Antennal bulb present (Fig. 17B); head without M1 and S1 mac (Fig. 18B); basomedian labial field only with chaeta m1 (Fig. 18D); Abd II with 3 median mac (Fig. 19B); Abd IV with 17–19 median mac (Fig. 19C); Guyana ............................................................................................. A. guianiensis Womersley comb. nov.

Cipola, Nikolas Gioia, Morais, José Wellington De, Bellini, Bruno Cavalcante (2018): New species, redescriptions and a new combination of Acanthocyrtus Handschin, 1925 and Amazhomidia Cipola & Bellini, 2016 (Collembola, Entomobryidae, Entomobryinae). Zootaxa 4387 (3): 401-435, DOI: 10.11646/zootaxa.4387.3.1MagnoliaPress via PlaziNo known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.

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FIGURE 3A–D. Amazhomidia SP. 1: hEAD;A, ANT IV, ARROW INDIcATES ThE bEGINNING Of ANNULATIONS;B, APEX Of ANT IV (DORSAL SIDE),ARROW INDIcATESRObUST SUbAPIcALS-bLUNT SENS;C, APEXOf ANT III (LATERALSIDE),ARROWINDIcATES SUbAPIcALScALE-LIKE chAETA; D, PRELAbRAL chAETOTAXY (DORSAL VIEW).ScALE bARS:A (0.1 MM), B‒D (0.02 MM).

Imageimage/png© Cipola, Nikolas Gioia;Morais, José Wellington De;Bellini, Bruno CavalcanteCipola, Nikolas Gioia;Morais, José Wellington De;Bellini, Bruno Cavalcante

FIGURE5A–D. Amazhomidia SP.1: hEAD;A, ANT III APIcAL ORGAN (LATERAL SIDE);B, DORSAL cEPhALIc chAETOTAXY,ARROW INDIcATES VARIATION IN MAc PATTERN; C, chAETOTAXY Of PRELAbRUM AND cLYPEUS; D, chAETOTAXY Of bASOMEDIAN AND bASOLATERAL LAbIAL fIELDS, ANTERIOR POSTLAbIALAND cEPhALIc GROOVE REGIONS (LEfT SIDE),LATERAL chAETAE OMITTED.

Imageimage/png© Cipola, Nikolas Gioia;Morais, José Wellington De;Bellini, Bruno CavalcanteCipola, Nikolas Gioia;Morais, José Wellington De;Bellini, Bruno Cavalcante

FIGURE 6A–E. Amazhomidia sp. 1: dorsal chaetotaxy; A, Th II; B, Th III; C, Abd I; D, Abd II; E, Abd III.

Imageimage/png© Cipola, Nikolas Gioia;Morais, José Wellington De;Bellini, Bruno CavalcanteCipola, Nikolas Gioia;Morais, José Wellington De;Bellini, Bruno Cavalcante

FIGURE 7A–B. Amazhomidia SP.1: DORSAL chAETOTAXY;A, AbD IV, VARIATION IN MAc PATTERN IN DETAIL; B, AbD V.

Imageimage/png© Cipola, Nikolas Gioia;Morais, José Wellington De;Bellini, Bruno CavalcanteCipola, Nikolas Gioia;Morais, José Wellington De;Bellini, Bruno Cavalcante

FIGURE 9. Amazhomidia thaisae sp. nov.: hAbITUS Of hOLOTYPE fIXED IN ALcOhOL (LATERAL VIEW).ScALE bAR:0.5 MM.

Imageimage/png© Cipola, Nikolas Gioia;Morais, José Wellington De;Bellini, Bruno CavalcanteCipola, Nikolas Gioia;Morais, José Wellington De;Bellini, Bruno Cavalcante

FIGURE 10A–B. Amazhomidia thaisae sp. nov.: VENTRAL hEAD (LEfT SIDE); A, LAbIAL PALP, PROXIMAL chAETAE, bASOMEDIAN AND bASOLATERAL fIELDS AND PART Of ANTERIOR POSTLAbIAL chAETOTAXY; B, cOMPLETE chAETOTAXY, ARROWS INDIcATES ScALE-LIKE chAETAE ON cEPhALIc GROOVE ScALE bARS:0.05 MM.

Imageimage/png© Cipola, Nikolas Gioia;Morais, José Wellington De;Bellini, Bruno CavalcanteCipola, Nikolas Gioia;Morais, José Wellington De;Bellini, Bruno Cavalcante

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Source Information

New species, redescriptions and a new combination of Acanthocyrtus Handschin, 1925 and Amazhomidia Cipola & Bellini, 2016 (Collembola, Entomobryidae, Entomobryinae)

checklist

This dataset contains the digitized treatments in Plazi based on the original journal article Cipola, Nikolas Gioia, Morais, José Wellington De, Bellini, Bruno Cavalcante (2018): New species, redescriptions and a new combination of Acanthocyrtus Handschin, 1925 and Amazhomidia Cipola & Bellini, 2016 (Collembola, Entomobryidae, Entomobryinae). Zootaxa 4387 (3): 401-435, DOI: 10.11646/zootaxa.4387.3.1

Abstract

Herein one new species of Amazhomidia Cipola & Bellini from Brazilian Amazon is described and illustrated: A. thaisae sp. nov., plus one specimen no nominal due to lack of material for formal descriptionend point. Acanthocyrtus guianiensis Womersley is redescribed and transferred to Amazhomidia by presence of prelabral chaetae bifurcated, macrochaetotaxy pattern, manubrium laterally with long distal mac finely ciliate and dens ventrally unscaled. Acanthocyrtus croceus Womersley is confirmed as a junior synonymy of A. guianiensis. The juvenile description of Amazhomidia ducke is provided, and changes in chaetotaxy nomenclature are made based on them. Acanthocyrtus lineatus Womersley is redescribed based on type material and new diagnostic characters are revealed. Identification keys for both genera and a comparison for Entomobryinae genera with dental spines are provided. Amazhomidia has now three and Acanthocyrtus Handschin six valid species.

Cipola N G, Morais J W D, Bellini B C, plazi (2018). New species, redescriptions and a new combination of Acanthocyrtus Handschin, 1925 and Amazhomidia Cipola & Bellini, 2016 (Collembola, Entomobryidae, Entomobryinae). Plazi.org taxonomic treatments database. Checklist dataset https://doi.org/10.11646/zootaxa.4387.3.1 accessed via GBIF.org on 2026-06-14.

CC0Published 2/28/2018View dataset
GBIF Usage Key
141263925
Dataset Key
719ac0a1-94e1-4f6b-9301-2f88113caa87
Origin
source
Backbone Key
8600787
Taxon ID
03D84B50FFEAFFC7FF7FFF77FA71FD9F.taxon
Last Crawled
6/10/2026
Last Interpreted
6/10/2026