1.
Vivallo F, Zanella FCV. A new species of Centris (Paracentris) Cameron, 1903 from northeastern Brazil, with a key for the Centris species of the Caatinga region (Hymenoptera: Apidae). Zootaxa [Internet]. 2012 May 3 [cited 2025 Apr. 11];3298(1):1–16. Available from: https://mapress.com/zt/article/view/zootaxa.3298.1.1