Rhopalochernes Beier 1932
Creators: name: Marimon, Karla
name: Blanco, Eduardo Villarreal
name: Harvey, Rk. S.
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Pseudoscorpiones
Chernetidae
Rhopalochernes

description: Genus Rhopalochernes Beier, 1932
Rhopalochernes Beier, 1932: 140.
Type species: Chelifer ohausi Tullgren, 1907, by original designation.
Key to species of the genus Rhopalochernes (updated from Beier 1932)
1. Males.............................................................................................. 2
Females............................................................................................. 5
2. Eyeless (Figs. 1C, 4C); serrula exterior of chelicera with 11 blades.............................................. 3
Eye-spots present; serrula exterior of chelicera with 15 or more blades........................................... 4
3. Carapace with 2 conspicuous, deep furrows; tarsus of leg IV slender, 4.00‒4.25 × longer than deep (Fig. 1C, 2B)................................................................................. Rhopalochernes luiscarlosi sp. nov.
Carapace with 2 shallow, indistinct furrows; tarsus of leg IV more robust, 2.75‒3.75 × longer than deep (Fig. 4C, 5B).............................................................................. Rhopalochernes catalinae sp. nov.
4. Femur + patella of leg IV slender, 3.50 × longer than deep; movable chelal finger shorter than chelal hand without pedicel (0.94 × longer than hand).............................................................................. R. ohausi
- Femur + patella of leg IV robust, 2.7 × longer than deep; movable chelal finger longer than chelal hand without pedicel (1.25 × longer than hand)............................................................................. R. beckeri
5. Eyeless............................................................................................. 6
- Eye-spots present..................................................................................... 8
6. Cheliceral hand with 4 setae............................................................................. 7
- Cheliceral hand with 6 setae.................................................................... R. insulanus
7. Carapace with 2 deep furrows; spermathecae with 2 sacs with long and narrow ducts (Figs. 2C, 7B)............................................................................................ Rhopalochernes luiscarlosi sp. nov.
- Carapace with 2 shallow furrows; spermathecae with 2 sacs with short and thicker ducts (Figs. 4C, 7A).......................................................................................... Rhopalochernes catalinae sp. nov.
8. Trichobothria it, ist, isb and ib restricted to basal half of fixed finger (see Beier, 1955 Fig. 10)................ R. titschacki
- Trichobothria it, ist, isb and ib not restricted to basal half of fixed finger.......................................... 9
9. Pedipalpal femur at least 3.00 × longer than broad.......................................................... 10
- Pedipalpal femur less than 3.00 × longer than broad......................................................... 11
10. Chelal hand (without pedicel) and movable chelal finger equal in length.................................... R. ohausi
- Chelal hand (without pedicel) longer than movable chelal finger....................................... R: germainii
11. Chela (with pedicel) slender, at least 3.00 × longer than broad................................................. 12
- Chela (with pedicel) robust, less than 3.00 × longer than broad....................................... R. antillarum
12. Nodus ramosus midway between st and t; femur + patella IV stout, 3.30 × longer than deep............... R. panamensis
- Nodus ramosus proximal to st; femur + patella IV slender, 3.73 × longer than deep...................... R. chamberlini
description: Published as part of Marimon, Karla, Blanco, Eduardo Villarreal & Harvey, Rk. S., 2022, Two new species of Rhopalochernes Beier, 1932 (Pseudoscorpiones: Chernetidae) from Colombia, pp. 397-410 in Zootaxa 5150 (3) on pages 398-409, DOI: 10.11646/zootaxa.5150.3.5, http://zenodo.org/record/6623085