Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Quadraceps semifissus
piojo, louse
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Phthiraptera
Suborder
Ischnocera
Family
Philopteridae
Genus
Quadraceps
Species
semifissus
Taxon category: Accepted
Synonyms: Nirmus semifissus (Nitzsch [in Giebel], 1866); Degeeriella semifissa (Nitzsch [in Giebel], 1866); Harrison 1916; Quadraceps semifissa mexicana (Carriker, 1944); Quadraceps mexicanus (Carriker, 1944); Hopkins & Clay 1952; Proneptis semifissa (Nitzsch [in Giebel], 1866); Timmermann 1954; Proneptis semifissa mexicana (Carriker, 1944); Złotorzycka 1967; Proneptis semifissa semifissa (Nitzsch [in Giebel], 1866); Złotorzycka 1967
You are welcome to download and use the information found in this page, acknowledging its source.
This page should be cited as follows:
"Galapagos Species Database, Quadraceps semifissus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=17571. Accessed 10 June 2025.