Robuta

https://journals.ku.edu/melittology/article/view/4642/5933 View of A new species of Microsphecodes from Peru, with notes on the classification of the genus... https://journals.ku.edu/melittology/article/view/4642?articlesBySameAuthorPage=2 A new species of Microsphecodes from Peru, with notes on the classification of the genus... https://journals.ku.edu/melittology/article/view/4642?articlesBySameAuthorPage=5 A new species of Microsphecodes from Peru, with notes on the classification of the genus...