Erginulus subserialis, copyright Stuart Longhorn.

Belongs within: Cosmetidae.

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 1947 K03
    |--E. brevispinosus Goodnight & Goodnight 1947 K03
    |--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) (see below for synonymy) K03
    |--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 1947 K03
    |--E. simplicipes (Pickard-Cambridge 1905) [=Erginus simplicipes] K03
    |--E. singularis Goodnight & Goodnight 1977 K03
    |--E. sinuosus (Pickard-Cambridge 1905) [=Erginus sinuosus] K03
    |--E. subserialis (Pickard-Cambridge 1905) [=Erginus subserialis, Cynorta subserialis, *Euerginus subserialis] K03
    |    |--E. s. subserialis K03
    |    |--E. s. gertschi (Goodnight & Goodnight 1942) K03 (see below for synonymy)
    |    `--E. s. tricristatus (Pickard-Cambridge 1905) K03 (see below for synonymy)
    |--E. triangularis (Pickard-Cambridge 1905) [=Erginus triangularis] K03
    `--E. weyerensis Goodnight & Goodnight 1977 K03

Nomen nudum: Erginulus albipunctata Goodnight & Goodnight 1947 K03

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

Erginulus subserialis gertschi (Goodnight & Goodnight 1942) K03 [=*Bivonones gertschi K03, Cynorta subserialis gertschi GG53]

Erginulus subserialis tricristatus (Pickard-Cambridge 1905) K03 [=Erginus tricristatus K03, Cynorta subserialis tricristatus GG53]

*Type species of generic name indicated


[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.

Goodnight, C. J., & M. L. Goodnight. 1977. Laniatores (Opiliones) of the Yucatán Peninsula and Belize (British Honduras). Bulletin, Association for Mexican Cave Studies 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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