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Erwin, T.L. and Medina, R.F. 2003.

The Neotropical species Askalaphium depressum (Bates): Larval description, first diagnosis and illustrations of immature Ctenodactylini, with natural history notes on the genus and tribe (Coleoptera: Carabidae)

. Zootaxa. 273, 1 (Aug. 2003), 1–15. DOI:https://doi.org/10.11646/zootaxa.273.1.1.