Ischnocolus gracilis Keyserling, 1891, nomen dubium

Fukushima, Caroline Sayuri & Bertani, Rogerio, 2017, Taxonomic revision and cladistic analysis of Avicularia Lamarck, 1818 (Araneae, Theraphosidae, Aviculariinae) with description of three new aviculariine genera 01, ZooKeys 659, pp. 1-185 : 77

Ischnocolus gracilis Keyserling, 1891, nomen dubium

Ischnocolus gracilis Keyserling, 1891: 11 (holotype immature male, Brazil, Rio de Janeiro, Monte Verde [21°27'S, 41°55'W], BMNH 90.7.1.346, examined).

Eurypelma gracile : Roewer 1942: 239.

Avicularia gracilis : World Spider Catalog 2016.

Remarks.

The specimen is very small, the epigastric area is dissected, but there are no spermathecae. Abdomen dorsum is bald. Since the description mentions spines on posterior articles, we, herein, remove the species from the genus Avicularia . As the specimen is immature, damaged, and lacking diagnostic characters, therefore we consider, herein, Ischnocolus gracilis Keyserling, 1891 a nomen dubium.