ColeopteraPtinidae – Death-watch and Spider Beetles

Mezium sulcatum

This record describes Mezium sulcatum (species). Recorded family: Ptinidae. Recorded order: Coleoptera.

Identification and Appearance

Mezium sulcatum - Mezium sulcatum
Contributed by Boris Büche; Additional contributions by Beatriz Moisset , v belov , NickBedard

Adults differ from those of M. affine in having the setal collar at the base of the pronotum deeply interrupted at, and on each side of, the middle ( 3 )

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Coleoptera (Beetles)
Suborder
Polyphaga
Superfamily
Bostrichoidea
Family
Ptinidae (Death-watch and Spider Beetles)
Subfamily
Ptininae
Tribe
Meziini
Genus
Mezium

Imported taxonomy record. Source availability varies; see the source references and editorial policy below.

Habitat and Range

Habitat

associated with grains, mixed feeds, cayenne pepper; reported from melon seeds, tobacco seeds, opium, wool carpet, dried animal products, rat nests ( 4 ) • homes, warehouses, stores

Geographic Range

cosmopolitan ( 4 )

Diet and Behavior

Diet: dry stored products

Additional species information

Species notes from the sources

Etymology: Mezium sulcatum (Fabricius 1781)

About Primitive Winged Insects: the wider group

Order-level background for Coleoptera, the group containing Mezium sulcatum. Species-specific details appear above.

Group overview

Coleoptera is the largest order of insects with over 400,000 described species, representing ~25% of all known animal species and ~40% of all insects. In the U.S. alone, nearly 30,000 beetle species have been identified.

Ecological role of the group

Beetles are prominent decomposers, especially in forests, breaking down dead wood and recycling nutrients. As predators, they reduce populations of pest insects. Many species are also important pollinators of flowering plants.

Economic and practical significance of the group

Beetles have major economic significance: leaf beetles (Chrysomelidae) and weevils (Curculionoidea) are among the most destructive agricultural pests globally, costing billions annually, while predatory species like ladybugs provide natural pest control.

Recorded sources for this group: Britannica, Smithsonian, NCSU Entomology. Imported estimates may describe particular regions or reporting periods.

Explore Coleoptera families and species →

Photos of Mezium sulcatum (5)

Mezium sulcatum - photo 1
Contributed by Boris Büche; Additional contributions by Beatriz Moisset , v belov , NickBedard
Mezium sulcatum - photo 2
Contributed by Boris Büche; Additional contributions by Beatriz Moisset , v belov , NickBedard
Mezium sulcatum - photo 3
Contributed by Boris Büche; Additional contributions by Beatriz Moisset , v belov , NickBedard
Mezium sulcatum - photo 4
Contributed by Boris Büche; Additional contributions by Beatriz Moisset , v belov , NickBedard
Mezium sulcatum - photo 5
Contributed by Boris Büche; Additional contributions by Beatriz Moisset , v belov , NickBedard

Photo credits: Contributed by Boris Büche; Additional contributions by Beatriz Moisset , v belov , NickBedard

Frequently Asked Questions About Mezium sulcatum

What is Mezium sulcatum?

Mezium sulcatum is a species in the family Ptinidae, within the order Coleoptera.

How big is Mezium sulcatum?

1.5‒3.5 mm

How do you identify Mezium sulcatum?

Adults differ from those of M. affine in having the setal collar at the base of the pronotum deeply interrupted at, and on each side of, the middle ( 3 )

Where is Mezium sulcatum found?
FeatureDetails
Habitatassociated with grains, mixed feeds, cayenne pepper; reported from melon seeds, tobacco seeds, opium, wool carpet, dried animal products, rat nests ( 4 ) • homes, warehouses, stores
Rangecosmopolitan ( 4 )
What does Mezium sulcatum eat?

The diet of the Mezium sulcatum includes dry stored products.

How we use and review source data. Source count does not imply independent verification.

Photo credits: Contributed by Boris Büche; Additional contributions by Beatriz Moisset , v belov , NickBedard. Contributors retain copyright over their individual contributions.