A new species of Arrhopalites Börner (Collembola, Symphypleona, Arrhopalitidae) from China, with a key to the Asian species of the caecus group

Nerivania Nunes Godeiro; Feng Zhang; Bruno Cavalcante Bellini

doi:10.3897/zookeys.1102.81247

A new species of Arrhopalites Börner (Collembola, Symphypleona, Arrhopalitidae) from China, with a key to the Asian species of the caecus group

Zookeys. 2022 May 20:1102:163-176. doi: 10.3897/zookeys.1102.81247. eCollection 2022.

Authors

Nerivania Nunes Godeiro^{1

2}, Feng Zhang², Bruno Cavalcante Bellini³

Affiliations

¹ Shanghai Natural History Museum, Shanghai Science & Technology Museum, Shanghai 200041, China Nanjing Agricultural University Nanjing China.
² Department of Entomology, College of Plant Protection, Nanjing Agricultural University, 210095, Nanjing, China Shanghai Natural History Museum Shanghai China.
³ Department of Botany and Zoology, Biosciences Center, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil Federal University of Rio Grande do Norte Natal Brazil.

Abstract

The second species of Arrhopalites from China is described and illustrated and an identification key to the Asian species of the caecus group is presented. Arrhopalitesbrevicornis sp. nov. is the eleventh species of the caecus group recorded in Asia and it can be clearly differentiated by the unguiculus III with 2 internal teeth (0-1 in all other species). Also, the combination of antennae less than 2 times the size of the head, antennal segment IV without annulations, 1+1 eyes, dorsal head with 9 spines, 2+2 regular spines per side on the anal valves, circumanal chaetae without basal serrations, subanal appendage long and apically serrated, manubrium with 5+5, and dorsal dens with 16 chaetae is unique among the Asian species of the caecus group.

Keywords: Appendiciphora; Katiannoidea; grassland; springtails; taxonomy.

Nerivania Nunes Godeiro, Feng Zhang, Bruno Cavalcante Bellini.

Grants and funding

The first author is funded by the Research Foundation of Shanghai Science and Technology Museum and Postdoctoral fund of Haibo Program of Pudong New Area in 2021. The second author is funded by National Natural Science Foundation of China (31970434) and National Science & Technology Fundamental Resources Investigation Program of China (2018FY100300). The senior author is funded by CNPQ/PQ2018, Process #305426/2018-4.