Yamatentomon, Imadate, 1964

Nakamura, Osami, 2025, Review of Japanese species of the genus Yamatentomon (Protura, Acerentomidae), with supplementary notes on Y. brevisetum from North Korea, Zootaxa 5693 (3), pp. 357-379 : 377-378

publication ID	https://doi.org/10.11646/zootaxa.5693.3.2
publication LSID	lsid:zoobank.org:pub:1EC5FB9B-D5CF-440C-9F44-D01EDFD605E2
persistent identifier	https://treatment.plazi.org/id/DC3E87A4-FF90-FF85-4FCD-F8FCFA68E38B
treatment provided by	Plazi
scientific name	Yamatentomon
status

Treatment

Key to the species of the genus Yamatentomon View in CoL

This key includes two types of Y. yamato , one with cephalic additional setae d6 and one without.

1 Cephalic additional setae d6 present....................................................................................... Y. yamato ( Imadaté & Yosii, 1956) View in CoL : Japan, Korea, China (Northeast), Russian Far East, Northern Siberia.

- Cephalic additional setae d6 absent....................................................................... 2

2 Anterior setae A1 on tergite VII absent.................................................................... 3

- Anterior setae A1 on tergite VII present.................................................................... 4

3 Anterior setae A4' on tergite VII present; accessory setae on tergites II–VI sensilliform, about one-seventh of the length of P1; P1a' present on tergite VI................... Y. brevisetum Szeptycki & Imadaté, 1987 View in CoL : North Korea (Kymgang-san Mts.)

- Anterior setae A4' on tergite VII absent; accessory setae on tergites II–VI setiform, longer than one-third of the length of of P1; P1a' absent on tergite VI................................................... Y. satsuma sp. nov.: Japan (Kyushu)

4 Accessory setae on tergites II–VI sensilliform, less than one-eighth of P 1 in length; sternite IV with 1+1 spsm pores................................................................. Y. fujisanum Imadaté, 1964 View in CoL , Japan (center of Honshu)

- Accessory setae on tergites II–VI setiform, longer than one-quarter of P 1 in length; sternite IV with one or two spm pores.. 5

5 Anterior setae A4' on tergite VII absent; accessory setae P3a absent on tergite III................................... 6

- Anterior setae A4' on tergite VII present; accessory setae P3a present on tergite III................................. 7

6 Accessory setae P1a and P2a on mesonotum and metanotum less than one-third of P 1 in length; foretarsal sensillum b surpassing the base of seta γ4; sternites I and IV with single spm pore; sternite VI without spsm pore................................................................................................... Y. guoi Bu & Wu, 2012 : China ( Jilin)

- Accessory setae P1a and P2a on mesonotum and metanotum longer than one-third of P1; foretarsal sensillum b not reaching the base of seta γ4; sternites I and IV with two spm pores; sternite VI with a pair of spsm pores........................................................... Y. kunnepchupi Imadaté, 1964 View in CoL : Japan ( Hokkaido), Russian Far East ( Khabarovsk ) .

7 Accessory setae P3a present on tergite II; foretarsal sensilla g and c' not surpassing tarsus; sternite I with spm pore................................................................................. Y. yamato ( Imadaté & Yosii, 1956) View in CoL

- Accessory setae P3a absent on tergite II; foretarsal sensilla g and c' surpassing tarsus; sternite I without pore.............................................................................. Y. mikawa sp. nov.: Japan (center of Honshu)