Didymus

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Ordo: Coleoptera
Subordo: Polyphaga
Superfamilia: Curculionoidea

Familia: Curculionidae
Subfamilia: Molytinae
Tribus: Cryptorhynchini
Subtribus: Tylodina
Genus: Didymus
References

Lyal, C.H.C. 1993: Cryptorhynchinae (Insecta: Coleoptera: Curculionidae). Fauna of New Zealand, (29)

Didymus is a genus of beetles known as weevils (insects in the family Curculionidae).[2] The genus contains the following species:

Didymus bicostatus
Didymus erroneous
Didymus impexus
Didymus intutus
Didymus metrosideri
Didymus setosus

The type species for this genus is Acalles intutus Pascoe, 1876 by original designation.[3] Species from this genus are found in New Zealand, the Kermadec and the Norfolk Islands.[1]
References

Kuschel, G. (1 September 1982). "Apionidae and Curculionidae (Coleoptera) from the Poor Knights Islands, New Zealand". Journal of the Royal Society of New Zealand. 12 (3): 273–282. doi:10.1080/03036758.1982.10415349. ISSN 0303-6758.
Watt, J. Charles (September 1982). "Terrestrial arthropods from the Poor Knights Islands, New Zealand". Journal of the Royal Society of New Zealand. 12 (3): 283–320. doi:10.1080/03036758.1982.10415350.
Lyal, C. H. C. 1 (2 December 1993). "Cryptorhynchinae (Insecta: Coleoptera: Curculionidae)" (PDF). Fauna of New Zealand. 29: 1–308. Archived from the original (PDF) on 18 February 2013. Retrieved 22 December 2015.