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free LC species Endemic · MX very large

Amblycheila cylindriformis

Say, 1830

Common name: Great Plains Giant Tiger Beetle

Tribe
Subtribe
none
Bioregion
Nearctic / Neotropical
Countries
2
Body length
33.5 mm
Habitat
open-ground
Activity
nocturnal
Wings
apterous

Distribution

USA (Arkansas, South Dakota, Wyoming, Colorado, Nebraska, Kansas, New Mexico, Texas, Oklahoma)

Open Sandy habitatBiome: Open arid
Provinces: Arkansas, South Dakota, Wyoming, Colorado, Nebraska, Kansas, New Mexico, Texas, Oklahoma

Flight period

I

Active April–September (peak May–Jul)

II
III
IV
V
VI
VII
VIII
IX
X
XI
XII

VI,VII,VIII

Key diagnostic characters

DIAGNOSIS — *Amblycheila* Say, 1830 Body large (22–35 mm), the largest Nearctic cicindelids; habituwith robust, elongate-cylindrical. Dorsum entirely matte black to dark brown, lacking metallic irides

Precise distribution

MX, US

Confidence profile

geo:M|bio:H|morph:H|pheno:I|elev:I|obs:M

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Taxonomic notes

Original combination: Amblycheila halffteri (Duran, Halffter & Schüle, 2010)

Data quality: 76/100  ·  Source: GBIF; Wiesner2020; matrix-morphology  ·  Verified by V. Štrunc · Audited: 2026-05-13

Frequently asked

What is the Halffter's Giant Tiger Beetle?
Amblycheila is the largest genus of tiger beetles in North America, with robust, cylindrical bodies reaching 37 mm in length. These wholly matte-black, flightless-looking hunters are strictly nocturnal, prowling compacted soils and open arid ground under cover of darkness. Eight species range acro
Where does the Halffter's Giant Tiger Beetle live?
It specialises in open ground habitats. distributed across the Nearctic / Neotropical region
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