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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Adephaga » Ground Beetles (Carabidae) » Trechinae » Trechitae » Trechini » Blemus » Blemus discus

Species Blemus discus

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Coleoptera (Beetles)

Suborder Adephaga

Family Carabidae (Ground Beetles)

Subfamily Trechinae

Supertribe Trechitae

Tribe Trechini

Genus Blemus

Species discus (Blemus discus)

Explanation of Names

Blemus discus discus (Fabricius 1792)

Numbers

the second ssp. is known from so. China(1)

Size

4.5-5.5 mm

Identification

head dark brown or blackish; pronotum and basal half of elytra reddish-brown; distal half of elytra yellowish-brown; legs yellowish; pronotum trapezoidal, widest anteriorly; a broad dark brown or blackish band runs across the elytra just beyond the midpoint

Range

native to Eurasia (transpalaearctic)(2), adventive in NA: se. Canada and ne. US (ME-PA-OH-WI)(1) + IA (BG data)

Habitat

disturbed areas; waste places; adults come to lights

Remarks

Accidentally introduced from Europe to the Montreal area in ship ballast. First recorded in 1933; has since spread east to Nova Scotia, west to Ontario, and south to adjacent northeastern states.

Works Cited

1.	Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico Bousquet Y. 2012. ZooKeys 245: 1–1722.

2.	Polish Biodiversity Information Network • Coleoptera Poloniae

Contributed by Robin McLeod on 6 July, 2005 - 5:33pm
Additional contributions by v belov
Last updated 28 November, 2012 - 8:54pm

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