Paraphloeostiba, Steel, 1960

Shavrin, Alexey V., 2020, New species and records of Paraphloeostiba Steel, 1960 from China and Laos and descriptions of four new species of related genera (Coleoptera: Staphylinidae Omaliinae: Omaliini), Zootaxa 4890 (3), pp. 301-329 : 317

publication ID

https://doi.org/10.11646/zootaxa.4890.3.1

publication LSID

lsid:zoobank.org:pub:4D7E2CD3-5350-479F-905A-C2671C414CBC

DOI

https://doi.org/10.5281/zenodo.4332492

persistent identifier

https://treatment.plazi.org/id/AE6287F4-5021-FFE2-A7FF-FF3D78DBFB93

treatment provided by

Plazi

scientific name

Paraphloeostiba
status

 

Key to species of Paraphloeostiba   of China and Laos

1 Pronotum slightly flattened, with acute posterior angles....................................................... 2

- Pronotum convex, with obtuse posterior angles.............................................................. 6

2 Parameres wide, significantly extending beyond apex of median lobe............................................ 3

- Parameres short, not reaching apex of median lobe........................................................... 5

3 Median lobe very wide ( Figs. 1–2 View FIGURES 1–5 ). Body brown. Female accessory sclerite as in Fig. 10 View FIGURES 6–13 . Body length: 2.00– 2.50 mm. China (Yunnan).................................................................................... P. ampliata  

- Median lobe narrower. Body slightly darker................................................................ 4

4 Parameres very long, narrow in apical portions, with several moderately long apical setae (see figure 21 in Shavrin & Smetana 2016). Apical portion of female accessory sclerite narrow ( Shavrin & Smetana 2016: figure 11). Body length: 2.10–2.30 mm. Myanmar, Taiwan............................................................................... P. sonani  

- Parameres shorter, wider in apical portion, with very long apical and preapical setae ( Fig. 4 View FIGURES 1–5 ). Apical portion of female accessory sclerite moderately wide ( Steel 1960: figure 81). Body length: 1.90–2.10 mm. Indonesia (Sumatra), China ( Hong Kong).............................................................................................. P. sulcicollis  

5 Pronotum narrow, without impression in medioapical third. Body brown. Apex of median lobe narrow, acute ( Figs. 15, 17 View FIGURES 15–17 ). Female accessory sclerite with wide and short apical portion ( Fig. 22 View FIGURES 18–22 ). Body smaller: 1.50–1.82. Laos........ P. brancuccii  

- Pronotum disitnctly transverse, with narrow impression in medioapical third. Body yellow-brown to reddish-brown. Apex of median lobe moderately wide, rounded ( Figs. 28, 30 View FIGURES 28–30 ). Female accessory sclerite with narrow and long apical portion ( Fig. 35 View FIGURES 31–35 ). Body larger: 2.13–3.32. Vietnam, Laos.......................................................... P. opacicollis  

6 Pronotum from middle more sharply narrowed posteriad than anteriad. Body brown. Parameres not reaching apex of median lobe ( Fig. 23 View FIGURES 23–26 ). Body length: 1.90 mm. China (Zhejiang)................................................ P. cooteri  

- Pronotum from middle evenly narrowed both anteriad and posteriad. Coloration different. Parameres extending beyond apex of median lobe......................................................................................... 7

7 Punctation of pronotum and elytra moderately fine and sparse. Head, pronotum, and abdomen brown, elytra yellow-brown. Median lobe slightly narrowed apically; parameres narrow ( Fig. 25 View FIGURES 23–26 ). Female accessory sclerite with narrow and long apical portion ( Steel 1960: figure 99). Body length: 1.70–3.30 mm. Europe, China, North America, Australia, New Zealand.............................................................................................. P. gayndahensis  

- Punctation of pronotum and elytra deep and dense. Body yellow-brown to red-brown. Median lobe significantly narrowed apically; parameres wide ( Fig. 5 View FIGURES 1–5 ). Female accessory sclerite with wide and short apical portion ( Shavrin & Smetana 2016: figure 5; Shavrin 2017: figure 17). Body length: 1.80–2.50 mm. China, Taiwan, Vietnam........................ P. formosana