Dichotrachelus

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Coleopterida
Ordo: Coleoptera
Subordo: Polyphaga
Superfamilia: Curculionoidea

Familia: Curculionidae
Subfamilia: Cyclominae
Tribus: Dichotrachelini
Genus: Dichotrachelus
Species: D. verrucosus
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References

Germann, C. 2009: About the enigmatic Dichotrachelus valesiacus Stierlin, 1878 (Coleoptera, Curculionidae, Cyclominae). ZooKeys, 5: 81–86. DOI: 10.3897/zookeys.5.52
MEREGALLI M., MENARDO F., KLASS K.-D. & CERVELLA P. 2013: Phylogeny of the Saxifraga-associated species of Dichotrachelus (Insecta: Coleoptera: Curculionidae), with remarks on their radiation in the Alps. Arthropod Systematics & Phylogeny, 71(1): 43–68. full article (PDF)
Meregalli, M.; Perrin, H. 2012: On the identity of Dichotrachelus maculosus Fairmaire and D. sabaudus Fairmaire (Coleoptera: Curculionidae<: Cyclominae). Zootaxa, 3183: 65–68. Preview