''Ctenostoma rugicolle'', the rough-neck comb-mouthed beetle, is a species of

tiger beetle Tiger beetles are a family of beetles, Cicindelidae, known for their aggressive predatory habits and running speed. The fastest known species of tiger beetle, '' Rivacindela hudsoni'', can run at a speed of , or about 125 body lengths per second. ...

. This species is found in Ecuador, Peru and Brazil, where it inhabits low- to mountainous rainforests and cloud forests. Adults are medium-sized (11-12.5 mm) and have a shiny black colour. The species was formerly considered a form of '' Ctenostoma batesii''.The Tiger Beetles of Ecuador: Their Identification, Distribution And Natural History (Coleoptera: Cicindelidae)
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References

Cicindelidae Beetles described in 1904 {{cicindelidae-stub