Prosopistoma

Shi, Weifang & Tong, Xiaoli, 2013, A new species of Prosopistoma (Ephemeroptera: Prosopistomatidae) from China with a key to Oriental species, Zootaxa 3718 (1), pp. 89-96 : 95

publication ID

https://doi.org/ 10.11646/zootaxa.3718.1.8

publication LSID

lsid:zoobank.org:pub:4541AD8D-859B-4B0B-9076-5F4AF5BDDC64

DOI

https://doi.org/10.5281/zenodo.6160069

persistent identifier

https://treatment.plazi.org/id/B3644153-FFF7-FFA5-FF71-A5C8FA49FABB

treatment provided by

Plazi

scientific name

Prosopistoma
status

 

Key to known mature nymphs of Oriental Prosopistoma View in CoL View at ENA species

1. Posterolateral projections on abdominal segments VII to IX broad and truncated.................................... 2

- Posterolateral projections on abdominal segments VII to IX apex pointed........................................ 3

2 Base of inner canine in mandible with 7 long serrated bristles; apex of ventral margin of fore-tibia with 2–4 serrated spines [New Guinea, Solomon Islands]........................................................... P. sedlaceki Peters View in CoL

- Base of inner canine in mandible with 2–3 long bristles; apex of ventral margin of fore-tibia with 3–4 serrated spines [Indone- sia (Borneo)]............................................................... P. o l y mpu s Sartori & Gattolliat

3 Mesonotum uniformly reddish-brown except for 2 pairs of dark brown circle spots; base of inner canine with 3 long bristles; apex of ventral margin of fore-tibiae with 11 serrated spines [ China (Yunnan)]............... P. unicolor Zhou & Zheng View in CoL

- Mesonotum bicolored with irregular yellow and brown color pattern............................................ 4

4 Base of inner canine in mandible with more than 3 long bristles................................................. 5

- Base of inner canine in mandible with 3 long bristles......................................................... 7

5 Apex of ventral margin of fore-tibiae with more than 3 spines; base of inner canine in mandible with less than 10 long bristles................................................................................................... 6

- Apex of ventral margin of fore-tibiae with only 2 spines; base of inner canine in mandible with 12–13 long bristles; inner canine much shorter and slimmer than outer canine [ Sri Lanka].................................. P. lieftincki Peters View in CoL

6 Antennae with 6 segments, segment III shorter than the combined length of segments IV–VI; apex of ventral margin of fore- tibia with 4–6 serrated spines [ Philippines].................................................... P. boreus Peters View in CoL

- Antennae with 5 segments, segment III much longer than the combined length of segments IV–V; apex of ventral margin of fore-tibia with 6–8 serrated spines [ China (Guangdong, Hong Kong); Thailand] P. sinense Tong & Dudgeon View in CoL

7 Antennal segment III much longer than the combined length of segments IV–V.................................... 8

- Antennal segment III not exceeding the combined length of segments IV–VI..................................... 9

8 Antennae 5-segmented; apex of ventral margin of fore-tibia with 6 spines [ India]..................... P. indicum Peters View in CoL

- Antennae 6-segmented; apex of ventral margin of fore-tibia with 10–11 serrated spines [ China (Guangxi, Hainan)]............................................................................................... P. ocellatum sp. n.

9 Apex of ventral margin of fore-tibiae with more than 3 spines; base of inner canine with 3 long bristles................ 10

- Apex of ventral margin of fore-tibiae with only 3 spines; base of inner canine with 6 long bristles [ China (Yunnan)]...................................................................................... P. trispinum Zhou & Zheng View in CoL

10 Apex of ventral margin of fore-tibiae with 8 spines.......................................................... 11

- Apex of ventral margin of fore-tibiae with at most 6 spines.................................................... 12

11 Apical segment of maxillary palpus longer than 1/2 length of segment II; mesonotum anteriorly and posteriorly with two large, transversal and not connected dark-brown bands which separated by a large pale band [ Vietnam]................................................................................................. P. funanense Soldán & Braasch View in CoL

- Apical segment of maxillary palpus shorter than 1/2 length of segment II; mesonotum with five dark-brown patches which connected by brown narrow stripes [Sunda Islands].......................................... P. wouterae Lieftinck View in CoL

12 Antennal segment III equal in length to the combined of segments IV–VI; mesonotum without any pale spots in anterior dark- brown band [ Philippines]................................................................ P. palawana Peters View in CoL

- Antennal segment III clearly shorter than the combined length of segments IV–VI; mesonotum with many pale spots in ante- rior dark-brown band [ China (Hunan); Vietnam; Thailand]......................... P. annamense Soldán & Braasch View in CoL

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