Metriocheila

Overview

After dusk on South American riverbanks and sandy beaches, *Metriocheila* Thomson, 1857 emerges as a solitary nocturnal predator — one of the most distinctive Megacephalini of the Neotropics. This monotypic genus is known from Colombia, Ecuador, Peru, and Argentina, where adults hunt along riparian margins and larvae develop in moist soil burrows.

Type species: Megacephala nigrocoerulea Thomson, 1857 [by monotypy]

1. Wiesner, J. (2020) — checklist 2. Thomson, J. (1857) — original genus description 3. Duran, D.P. & Gough, H.M. (2020) — Validation of tiger beetles as distinct family (Cicindelidae) and reclassification within Coleoptera. Systematic Entomology 45(4): 723-729. DOI: 10.1111/syen.12440 [validates Cicindelidae as separate family] 4. Gough, H.M., Duran, D.P., Kawahara, A.Y. & Toussaint, E.F.A. (2018) — A comprehensive molecular phylogeny of tiger beetles (Coleoptera, Carabidae, Cicindelinae). Systematic Entomology 43(3): 567-586. DOI: 10.1111/syen.12324 [ML phylogeny of 328 taxa, 9 gene regions] 5. Wiesner, J. (2020) — Checklist of the Tiger Beetles of the World, 2nd edition (Verzeichnis der Sandlaufkäfer der Welt, 27. Beitrag zur Kenntnis der Cicindelidae). Winterwork, Borsdorf, 534 pp. [Authoritative current world checklist] 6. Horn, W. (1908, 1910, 1915) — Coleoptera Adephaga, fam. Carabidae, subfam. Cicindelinae. In: Wytsman, P. (Ed.) Genera Insectorum, fascicles 82a, 82b, 82c. L. Desmet-Verteneuil, Bruxelles. BHL bibliography/45481 [foundational historical monograph of Cicindelidae, treating all genera known at the time] 7. Naviaux, R. (2007) — Tetracha & Megacephalina revision. Mémoires SEF 7: 1-197 [Metriocheila confirmed at genus rank]. 8. the T.B.of Ecuador, identification...Pearson/Buestan (1999) — Contribution on entomology, international, Vol.3 Nb2 (p.189-315) 1999; the T.B.of Ecuador, identific 9. Thompson (1857) — Monographie des Cicindelidés des tribus genres et espèces (p.1-66) 1857; Exposé méthodique et critiq +5 citations · full list in paid edition