Metriocheila nigricollis
Nigricollis Tiger Beetle
Junior synonyms: succincta (Erichson, 1847), oxychiloides (Westwood, 1852), nigra (Westwood, 1852)
Neotropical IUCN NE
Rank
Species
Authorship
(Bates, 1892)
Tribe
Megacephalini
Subtribe
Megacephalina
Body length
21.5 mm
Habitat
open-ground
Activity
nocturnal
Wing type
macropterous
Countries
4
Data level
complete
Genus diagnosis Diagnosis & identification
This diagnosis describes the genus Metriocheila, not the individual species. Species-level characters are not yet recorded.
DIAGNOSIS — *Metriocheila* Thomson, 1857 Monotypic. Body medium-large, robust Megacephalini habitus.
Similar taxa: Resembles *Abroscelis*, *Antennaria*, *Archidela*
Etymology
From Greek *métrios* (moderate, medium) + *cheíla*/χεῖλος (lip/labrum) — describing intermediate labral proportions.
Seasonal activity
Active October–March (peak Jan–Nov)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Green = active months · Orange = peak. Peak: X-XII
Distribution
Colombia, Ecuador, Peru, Argentina (Catamarca, Jujuy, Salta, Tucumán)
Countries: Argentina · Colombia · Ecuador · Peru
Provinces / states: Catamarca · Jujuy · Salta · Tucumán
External references
GBIF · iNaturalist · Wikipedia