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

Species Blemus discus

Classification · Explanation of Names · Numbers · Size · Identification · Range · Habitat · Remarks · Works Cited
Another small beetle - Blemus discus beetle - Blemus discus Ground Beetle - Blemus discus Blemus discus Blemus discus? - Blemus discus Coleoptera - Blemus discus Blemus discus 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
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.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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