Colliuris

DeGeer, 1774

Long-necked Ground Beetles

Species Guides

5

A of ground beetles in the Carabidae, tribe Odacanthini, containing more than 90 described . Species exhibit wing dimorphism as an adaptive trait. Some species resemble tiger beetles in appearance, which can lead to misidentification by collectors.

Colliuris lioptera by (c) jimeckert49, some rights reserved (CC BY). Used under a CC-BY license.Colliuris lioptera by (c) jimeckert49, some rights reserved (CC BY). Used under a CC-BY license.Colliuris lioptera by (c) Sue Carnahan, some rights reserved (CC BY), uploaded by Sue Carnahan. Used under a CC-BY license.

Pronunciation

How to pronounce Colliuris: /kɒˈljʊərɪs/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Elongated body with a distinctive long, narrow pronotum that gives the 'long-necked' appearance. Resembles tiger beetles (Cicindelinae) superficially, but belongs to the true ground beetle Lebiinae. Distinguished from tiger beetles by antennal structure and other subtle morphological features.

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Habitat

Inhabits diverse environments including central Amazonian inundation forests and temperate agricultural areas. Specific requirements vary by .

Distribution

Widely distributed across the Americas, from Canada and the United States through Mexico, Central America, the Greater Antilles, and into South America including central Amazonia.

Behavior

Exhibits wing dimorphism as a key survival strategy, particularly in seasonally flooded where trade-offs between capability and are advantageous.

Ecological Role

Ground-dwelling . Serves as a bioindicator of environmental conditions; sensitive to soil management practices such as tillage intensity.

Human Relevance

Occasionally mistaken for tiger beetles by collectors. Some , such as C. pensylvanica, have been studied as indicators of agricultural disturbance.

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