Erginulus

Erginulus subserialis, copyright Stuart Longhorn.

Belongs within: Metergininae.

Erginulus is a genus of cosmetid harvestmen found in Central America.

Characters (from Goodnight & Goodnight 1977): Third and fourth tarsi with simple untoothed double claws; first tarsus with 6 segments. Distitarsi of both first and second tarsi with three segments. Dorsum with five areas, variously armed with tubercles and/or spines, third and fourth legs conspicuously heavier than the first and second. Males with spinose fourth legs, heavier chelicerae, and usually an enlarged basitarsus on the first tarsus.

Erginulus Roewer 1912 [incl. Bivonones Goodnight & Goodnight 1942, Euerginus Roewer 1912]K03
|--*E. serratipes (Pickard-Cambridge 1905) [=Erginus serratipes, Cynorta serratipes]K03
|--E. arcuatus (Pickard-Cambridge 1905) [=Erginus arcuatus]K03
|--E. australis (Roewer 1916) [=Euerginus australis]K03
|--E. bimaculatus Goodnight & Goodnight 1977 [=E. bimaculata]K03
|--E. biserratus Roewer 1947K03
|--E. brevispinosus Goodnight & Goodnight 1947K03
|--E. castaneus (Banks 1906) [=Erginus castaneus]K03
|--E. centralis (Sørensen 1932) [=Cynorta centralis, Eucynortula centralis, Euerginus centralis]K03
|--E. clavipes (Pickard-Cambridge 1905) [=Erginus clavipes, Cynorta clavipes]K03
|--E. clavotibialis (Pickard-Cambridge 1905)K03 (see below for synonymy)
|--E. crassescens (Pickard-Cambridge 1905) [=Erginus crassescens]K03
|--E. cristatus (Pickard-Cambridge 1905) [=Erginus cristatus, Euerginus cristatus]K03
|--E. erectispinus (Pickard-Cambridge 1905) [=Erginus erectispinus]K03
|--E. figuratus (Roewer 1947) [=Euerginus figuratus]K03
|--E. gervaisii (Sørensen 1932) [=Cynorta gervaisii]K03
|--E. leviarcuatus (Sørensen 1932) [=Cynorta leviarcuata, Euerginus leviarcuatus, C. arcuata ms]K03
|--E. pectiginerus (Pickard-Cambridge 1905) [=Erginus pectiginerus]K03
|--E. pulcher Goodnight & Goodnight 1942 [=E. pulchrus]K03
|--E. quadricristatus (Franganillo Balboa 1926) [=Erginus quadricristatus]K03
|--E. rectus (Pickard-Cambridge 1905) [=Erginus rectus, Euerginus rectus]K03
|--E. roeweri (Goodnight & Goodnight 1947) [=Acromares roeweri]K03
|--E. serratifer (Pickard-Cambridge 1905) [=Erginus serratifer]K03
|--E. serratofemoralis Goodnight & Goodnight 1947K03
|--E. simplicipes (Pickard-Cambridge 1905) [=Erginus simplicipes]K03
|--E. singularis Goodnight & Goodnight 1977K03
|--E. sinuosus (Pickard-Cambridge 1905) [=Erginus sinuosus]K03
|--E. subserialis (Pickard-Cambridge 1905) [=Erginus subserialis, Cynorta subserialis, *Euerginus subserialis]K03
| |--E. s. subserialisK03
| |--E. s. gertschi (Goodnight & Goodnight 1942)K03 [=*Bivonones gertschiK03, Cynorta subserialis gertschiGG53]
| `--E. s. tricristatus (Pickard-Cambridge 1905)K03 [=Erginus tricristatusK03, Cynorta subserialis tricristatusGG53]
|--E. triangularis (Pickard-Cambridge 1905) [=Erginus triangularis]K03
`--E. weyerensis Goodnight & Goodnight 1977K03

Nomen nudum: Erginulus albipunctata Goodnight & Goodnight 1947K03

Erginulus clavotibialis (Pickard-Cambridge 1905)K03 [=Erginus clavotibialisK03, Cynorta clavotibialisK03, Euerginus clavotibialisK03; incl. Erginus cylindrotibialis Pickard-Cambridge 1905K03, Eu. cylindrotibilisK03, Erginus serratotibialis Pickard-Cambridge 1905K03, Erginulus serratotibialisGG77, Euerginus serratotibialisK03]

*Type species of generic name indicated

References

[GG53] Goodnight, C. J., & M. L. Goodnight. 1953. The opilionid fauna of Chiapas, Mexico, and adjacent areas (Arachnoidea, Opiliones). American Museum Novitates 1610: 1–81.

[GG77] Goodnight, C. J., & M. L. Goodnight. 1977. Laniatores (Opiliones) of the Yucatan Peninsula and Belize (British Honduras). Assoc. Mex. Cave Stud. Bull. 6: 139–166.

[K03] Kury, A. B. 2003. Annotated catalogue of the Laniatores of the New World (Arachnida, Opiliones). Revista Ibérica de Aracnología, volumen especial monográfico 1: 1–337.

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