Requested reference
Poeta, M. R. M. & Lise, A. A. (2015). On the males of the orb-weaving spiders Alpaida nigrofrenata (Simon, 1895), A. machala Levi, 1988, and A. cisneros Levi, 1988 (Araneae, Araneidae) and a new synonymy. Zootaxa 4000(3): 397-400. doi:10.11646/zootaxa.4000.3.7 -- Show included taxa