Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

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Gnathocerus maxillosus (Fabricius, 1801)

Escarabajo tenebriónido, Slender horned flour beetle

Scavenger; arid to humid forest zones; March, May, July, September–December; a stored products pest; at light, in litter and dead wood; under Bursera bark; FIT.

Taxonomy

Domain
Eukaryota

Kingdom
Animalia

Phylum
Arthropoda

Class
Insecta

Order
Coleoptera

Suborder
Polyphaga

Superfamily
Tenebrionoidea

Family
Tenebrionidae

Genus
Gnathocerus

Species
maxillosus

Taxon category: Accepted

Syn.: Gnatocerus maxillosus (Fabricius, 1801);

Origin: Introduced - established

Introduction

Year of first record: 1964

Mode of introduction: Accidental

Introduction Pathway: Contaminant

Subpathway: Food contaminant

Introduced status: Naturalized

Invasive status: Unlikely to become invasive

Distribution

Map of specimen collection localities or observation records for this species in our collections database.

Distribution: Cosmopolitan; Isabela, Pinta, San Cristóbal, Santa Cruz, Santa Fé, Santiago.

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, Gnathocerus maxillosus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=16917. Accessed 2 November 2026.