Lasioderma haemorrhoidale
This record describes Lasioderma haemorrhoidale (species). Recorded family: Ptinidae. Recorded order: Coleoptera.
Identification and Appearance
Similar to L. serricorne but a little more elongate; hairs on pronotum +/- distinctly parted side to side along the midline; head and venter always darker brown, often also pronotum and base of elytra (in its native range can be almost black, except for elytral tip, but this color form is not yet recorded from the US) earliest record in our area: CA 1981
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Bostrichoidea
- Family
- Ptinidae (Death-watch and Spider Beetles)
- Subfamily
- Xyletininae
- Tribe
- Lasiodermini
- Genus
- Lasioderma
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
native to, and widespread around the Mediterranean, adventive in CA (established)
Diet and Behavior
Diet: Larvae develop in dry flower heads of thistles (cardoon/artichoke probably is in the host range)
Additional species information
Species notes from the sources
Etymology: Lasioderma haemorrhoidale (Illiger 1807)
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Lasioderma haemorrhoidale. 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 Lasioderma haemorrhoidale (5)
Photo credits: Contributed by Boris Büche; Additional contributions by v belov
Frequently Asked Questions About Lasioderma haemorrhoidale
What is Lasioderma haemorrhoidale?
Lasioderma haemorrhoidale is a species in the family Ptinidae, within the order Coleoptera.
How big is Lasioderma haemorrhoidale?
2.3-2.7 mm
How do you identify Lasioderma haemorrhoidale?
Similar to L. serricorne but a little more elongate; hairs on pronotum +/- distinctly parted side to side along the midline; head and venter always darker brown, often also pronotum and base of elytra (in its native range can be almost black, except for elytral tip, but this color form is not yet recorded from the US)
Where is Lasioderma haemorrhoidale found?
Range: native to, and widespread around the Mediterranean, adventive in CA (established)
What does Lasioderma haemorrhoidale eat?
The diet of the Lasioderma haemorrhoidale includes Larvae develop in dry flower heads of thistles (cardoon/artichoke probably is in the host range).