Opisthoncus

Opisthoncus is a genus of South Pacific jumping spiders that was first described by Ludwig Carl Christian Koch in 1880.^[2] There are still many Australian species that have not yet been described.

Opisthoncus
Male Opisthoncus mordax
Dorsal view of Opisthoncus polyphemus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Araneae
Infraorder:	Araneomorphae
Family:	Salticidae
Subfamily:	Salticinae
Genus:	Opisthoncus L. Koch, 1880[1]
Type species
O. polyphemus (L. Koch, 1867)
Species
32, see text

Species

As of August 2019^[update] it contains thirty-two species, found only in Papua New Guinea and Australia:^[1]

• Opisthoncus abnormis L. Koch, 1881 – Australia (Queensland, New South Wales)
• Opisthoncus albiventris L. Koch, 1881 – Australia (New South Wales)
• Opisthoncus alborufescens L. Koch, 1880 – Australia (Queensland, New South Wales)
• Opisthoncus barbipalpis (Keyserling, 1882) – Australia (Queensland)
• Opisthoncus bellus (Karsch, 1878) – Australia (New South Wales)
• Opisthoncus bitaeniatus L. Koch, 1880 – Australia (Queensland, New South Wales)
• Opisthoncus confinis L. Koch, 1881 – Australia (Queensland)
• Opisthoncus delectabilis Rainbow, 1920 – Australia (Lord Howe Is.)
• Opisthoncus devexus Simon, 1909 – Australia (Western Australia)
• Opisthoncus eriognathus (Thorell, 1881) – New Guinea
• Opisthoncus grassator Keyserling, 1883 – Australia (Queensland)
• Opisthoncus inconspicuus (Thorell, 1881) – New Guinea
• Opisthoncus keyserlingi Zabka, 1991 – Australia (New South Wales)
• Opisthoncus kochi Zabka, 1991 – Australia (New South Wales)
• Opisthoncus lineativentris L. Koch, 1880 – Australia (Queensland, New South Wales)
• Opisthoncus machaerodus Simon, 1909 – Australia (Western Australia)
• Opisthoncus magnidens L. Koch, 1880 – Australia (Queensland, New South Wales)
• Opisthoncus mandibularis L. Koch, 1880 – Australia (New South Wales)
• Opisthoncus mordax L. Koch, 1880 – Australia (New South Wales)
• Opisthoncus necator L. Koch, 1881 – New Guinea, Australia (Queensland, New South Wales)
• Opisthoncus nigrifemur Strand, 1911 – Papua New Guinea (New Britain)
• Opisthoncus nigrofemoratus (L. Koch, 1867) – Australia (Queensland)
• Opisthoncus pallidulus L. Koch, 1880 – Australia (New South Wales)
• Opisthoncus parcedentatus L. Koch, 1880 – Australia (Queensland, New South Wales)
• Opisthoncus polyphemus (L. Koch, 1867) (type) – New Guinea, Australia (Queensland, New South Wales). Introduced to New Zealand
• Opisthoncus quadratarius (L. Koch, 1867) – Australia (Queensland)
• Opisthoncus rubriceps (Thorell, 1881) – Australia (Queensland)
• Opisthoncus serratofasciatus L. Koch, 1881 – Australia (New South Wales)
• Opisthoncus sexmaculatus (C. L. Koch, 1846) – Australia (New South Wales)
• Opisthoncus tenuipes (Keyserling, 1882) – Australia (Queensland)
• Opisthoncus unicolor L. Koch, 1881 – Australia (Queensland)
• Opisthoncus versimilis Peckham & Peckham, 1901 – Australia (Victoria)