The Crevice Weaver Spider Genus Kukulcania (Araneae: Filistatidae) Author Magalhaes, Ivan L. F. Author Ramírez, Martín J. text Bulletin of the American Museum of Natural History 2019 2019-02-15 426 1 153 journal article 26370 10.1206/00030090-426.1.1 ed64cd3a-2478-45f1-a0e6-ae0384f6c740 http://digitallibrary.amnh.org/handle/2246/6925 3259018 THE KUKULCANIA TRACTANS SPECIES GROUP DIAGNOSIS: Males lack a ring of long setae around the entire border of the cymbium, and have the embolus keel reduced or absent (figs. 70, 80); females lack sclerotized bars alongside the spermathecae (figs. 72, 82).