Species Lasioderma haemorrhoidale

Classification · Explanation of Names · Size · Identification · Range · Food · Remarks · Works Cited

Mating beetles - Lasioderma haemorrhoidale - male - female

Tribe Tricorynini? - Lasioderma haemorrhoidale

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Coleoptera (Beetles)

Suborder Polyphaga

Superfamily Bostrichoidea

Family Ptinidae (Death-watch and Spider Beetles)

Subfamily Xyletininae

Tribe Lasiodermini

Genus Lasioderma

Species haemorrhoidale (Lasioderma haemorrhoidale)

Explanation of Names

Lasioderma haemorrhoidale (Illiger 1807)

Size

2.3-2.7 mm(1)

Identification

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)

Range

native to, and widespread around the Mediterranean, adventive in CA (established)(1)

Food

Larvae develop in dry flower heads of thistles (cardoon/artichoke probably is in the host range)

Remarks

earliest record in our area: CA 1981(1)

Works Cited

1.	Lasioderma haemorrhoidale (Ill.) now established in California, with biological data on Lasioderma species (Col.: Anobiidae) White R.E. 1990. Col. Bull. 44: 344-348.

Contributed by Boris Büche on 3 August, 2007 - 4:10am
Additional contributions by v belov
Last updated 17 March, 2015 - 5:06pm

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