Parosus, Sharp, 1887

López-García, Margarita M. & Marín-Gómez, Oscar H., 2018, Description and notes on natural history of a new species of Parosus Sharp, 1887 (Coleoptera, Staphylinidae, Oxytelinae) living in floral bracts of Columnea medicinalis L. (Gesneriaceae), Zootaxa 4394 (4), pp. 559-566 : 564

Key to the described species of Parosus from Colombia

(based on original descriptions by Makranczy 2014)

1. Body bicolored; pronotum strongly reddish brown, head, elytra, and abdomen black to dark brown............................................................................. Parosus amayae López-García & Marín-Gómez sp. nov.

1’. Body unicolored; head, pronotum, elytra, and abdomen black to dark brown....................................... 2

2. Body length 3.23–3.58 mm. Infraocular ridge strong and thickened anteriorly, but vanishing posteriorly. Antennomere 6 about as long as wide....................................................... .. Parosus colombiensis Makranczy, 2014

2’. Body length 4.55–5.40 mm. Infraocular ridge strong and continuing behind the eye. Antennomere 6 moderately elongated.......................................................................... Parosus gigantulus Makranczy, 2014