Key to adult females of Colopalpus
1. Opisthosoma with 6 pairs of dorsolateral setae (setae f 2 absent)................................................. 2
- Opisthosoma with 7 pairs of dorsolateral setae (setae f 2 present)................................................ 4
2. Palp 3-segmented; propodosomal setae v 2 and sc 1 long, strongly barbed, sc 2 setiform.................. C. hibiscus sp. nov.
- Palp 1 or 2-segmented; propodosomal setae v 2, sc 1 and sc 2 barbed or setiform...................................... 3
3. Palp 1-segmented; genua I–IV with 3, 3, 1, 1 setae; tibiae I–IV with 5, 5, 3, 3 setae.............. C. mansoni Collyer, 1973
- Palp 2-segmented; genua I–IV with 3, 3, 0, 0 setae; tibiae I–IV with 5, 5, 2, 2 setae.. C. matthyssei Pritchard and Baker, 1958
4. Tibiae I–IV with 5, 5, 3, 2 setae; propodosoma with three distinct shield type structure, each with faint irregular wrinkles.................................................................................... C. pedrus Manson, 1963
- Tibiae I–IV with 5, 5, 3, 3 setae; propodosoma divided into three area by two wrinkles... C. nambii (Castro and Feres, 2013)