Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Symploce pallens
Cucaracha, Smooth Cockroach
Scavenger; a household pest species; January- November; from littoral zone to humid forest at 650 m; abundant in arid zone around CDRS.
Domain
Eukaryota
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Blattodea
Superfamily
Blaberoidea
Family
Blattellidae
Genus
Symploce
Species
pallens
Taxon category: Accepted
Syn.: Symploce lita, S. hospes
Origin: Introduced - established
Year of first record: 1916
Mode of introduction: Accidental
Introduction Pathway: Stowaway
Subpathway: Hitchhiker on transport vehicles/cargo
Introduced status: Naturalized
Invasive status: Unlikely to become invasive
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: Bartolomé, Camaño, Fernandina, Floreana, Genovesa, Isabela, Marchena, Pinta, San Cristóbal, Santa Cruz, Santa Fé, Santiago
- McMullen, C.K. (2011) Pollination of the heterostylos Galápagos native, Cordia lutea (Boraginaceae) Plant Syst Evol (2012) 298:569-579
- Peck, S.B. (1996) The arthropods of the allobiosphere (barren lava flows) of the Galapagos islands, Ecuador Noticias de Galápagos 56: 9-12.
- Peck, S.B. (1996) Diversity and distribution of the orthopteroid insects of the Galápagos Islands, Ecuador. Canadian Journal of Zoology 74: 1497-1510.
- Peck, S.B. Roth, L.M. (1992) Cockroaches of the Galápagos Islands, Ecuador, with descriptions of three new species (Insecta: Blattodea). Canadian Journal of Zoology 70(12): 2202-2217.
- Peck, S.B. Heraty, J., Landry, B. & Sinclair, B.J. (1998) Introduced insect fauna of an oceanic archipelago: The Galápagos Islands, Ecuador. Am. Entomol. 44: 218-237.
- Peck, S.B. (2001) Smaller Orders of Insects of the Galápagos Islands, Ecuador: Evolution, Ecology, and Diversity. NRC Research Press, Ottawa, Ontario, Canada, 278 pp.
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, Symploce pallens", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=6979. Accessed 31 October 2026.