Hemicoelus umbrosus
This record describes Hemicoelus umbrosus (species). Recorded family: Ptinidae. Recorded order: Coleoptera.
Identification and Appearance
Pronotum 0.7-0.9x as wide as base of elytra; lateral pronotal margin sharp and distinct throughout; size 3.1-5.8mm; abdomen nearly always with distinct fine granulation Antennae 11-jointed Type specimen images at MCZ: https://mczbase.mcz.harvard.edu/guid/MCZ:Ent:24657
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Bostrichoidea
- Family
- Ptinidae (Death-watch and Spider Beetles)
- Subfamily
- Anobiinae
- Tribe
- Anobiini
- Genus
- Hemicoelus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Additional species information
Species notes from the sources
Etymology: Hemicoelus uumbrosus (Fall, 1905)
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Hemicoelus umbrosus. 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.
Photos of Hemicoelus umbrosus (5)
Photo credits: Contributed by Marc DiGirolomo
Frequently Asked Questions About Hemicoelus umbrosus
What is Hemicoelus umbrosus?
Hemicoelus umbrosus is a species in the family Ptinidae, within the order Coleoptera.
How big is Hemicoelus umbrosus?
3.1-5.8 mm
How do you identify Hemicoelus umbrosus?
Pronotum 0.7-0.9x as wide as base of elytra; lateral pronotal margin sharp and distinct throughout; size 3.1-5.8mm; abdomen nearly always with distinct fine granulation Antennae 11-jointed Type specimen images at MCZ: https://mczbase.mcz.harvard.edu/guid/MCZ:Ent:24657