Sivacrypticus

Sivacrypticus taiwanus, habitus

Scientific classification
Kingdom	Animalia
Phylum	Arthropoda
Class	Insecta
Order	Coleoptera
Suborder	Polyphaga
Superfamily	Tenebrionoidea
Family	Archeocrypticidae
Genus	Sivacrypticus Kaszab, 1964

Sivacrypticus is the only genus of the family Archeocrypticidae (cryptic fungus beetles) occurring in Taiwan. Archaecrypticidae is a small family of Tenebrionoidea, recent papers revealed it as sister to Ulodidae<ref name="Zhang2018">Zhang S-Q, Che L-H, Li Y, Pang H, Ślipiński A, Zhang P (2018) Evolutionary history of Coleoptera revealed by extensive sampling of genes and species. Nature Communications, 9: 205. https://doi.org/10.1038/s41467-017-02644-4</ref>, to Ulodidae + Chalcodruidae + Promecheidae<ref name="McKenna2019">McKenna DD, Shin S, Ahrens D et al. (2019) The evolution and genomic basis of beetle diversity. Proceedings of the National Academy of Sciences, 116(49): 24729–24737. https://doi.org/10.1073/pnas.1909655116</ref>, or sister to Anthicidae + Ischaliidae + Meloiidae<ref name="Cosandey2024">Cosandey V, Konvička O, Toussaint EFA (2024) Legacy molecular phylogenetics suggests restricting the concept of Melandryidae and resurrecting Osphyidae (Coleoptera: Tenebrionoidea). Arthropod Systematics & Phylogeny, 82: 621–627. https://doi.org/10.3897/asp.82.e131738</ref>.

Occurrence in Taiwanese leaf litter fauna

Only a single species S. taiwanus Kaszab, 1964 is recorded from Taiwan. The species is locally common in lowland forests in southern and central Taiwan.

Species

• Sivacrypticus taiwanus Kaszab, 1964

Photos

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  Male genitalia of Sivacrypticus taiwanus

References

[1] Zhang S-Q, Che L-H, Li Y, Pang H, Ślipiński A, Zhang P (2018) Evolutionary history of Coleoptera revealed by extensive sampling of genes and species. Nature Communications, 9: 205. https://doi.org/10.1038/s41467-017-02644-4

[2] McKenna DD, Shin S, Ahrens D et al. (2019) The evolution and genomic basis of beetle diversity. Proceedings of the National Academy of Sciences, 116(49): 24729–24737. https://doi.org/10.1073/pnas.1909655116

[3] Cosandey V, Konvička O, Toussaint EFA (2024) Legacy molecular phylogenetics suggests restricting the concept of Melandryidae and resurrecting Osphyidae (Coleoptera: Tenebrionoidea). Arthropod Systematics & Phylogeny, 82: 621–627. https://doi.org/10.3897/asp.82.e131738