Colletidae, Lepeletier de Saint Fargeau, 1841

Scarpulla, Eugene J., 2018, Four submarginal cells on a forewing of Melitoma taurea (Say) (Hymenoptera: Apidae), and a summary of known records of atypical and variable numbers of submarginal cells, Insecta Mundi 2018 (667), pp. 1-28 : 12

Family Colletidae

Colletes robertsonii Dalla Torre

♀; 13–14 July 2015; USA, Minnesota, Pipestone Co., Terrace WMA ; 44.03038°; –96.17125°; 3.25-oz elevated bee bowls; coll.: Ashley Fulton and Karin J. Jokela; det.: Crystal L. Boyd; UMSP; UMSP_ BEE_115120; left: 3 SM (normal [ Mitchell 1960]); right: 2 SM (partial 2nd SMCV extending posteriorly ~67% the distance from the marginal cell); Crystal L. Boyd, pers. comm .