Murao et al. (2006) described this species and illustrate it with photos. This is a black bee 6.1 - 7.0 mm long. Its distribution is Far East Russia (Primorsky), Japan (Hokkaido, Honshu, Shikoku, Kyushu). Females have been collected from April to October, and males from August to October. No information on nesting or social biology is presented. Floral records include: Salicaceae: Salix integra. Polygonaceae: Polygonum blumei, P. thunbergii. Berberidaceae: Berberis amurensis. Papaveraceae: Chelidonium majus. Cruciferae: Barbarea vulgaris var. stricta, Brassica campestris, Dentaria macrophylla var. dasyloba, Roripa atrovirens. Saxifragaceae: Deutzia gracilis. Rosaceae: Malus pumila var. dulcissima, Potentilla amurensis, P. fragarioides var. sprengeliana, Rosa rugosa. Staphyleaceae: Staphylea bumalda. Oenotheraceae: Oenothera odorata. Umbelliferae: Angelica anomala, Anthriseus nemorosa, Heracleum dulce. Primulaceae: Lysimachia vulgaris var. darurica. Caprifoliaceae: Weigela hortensis. Compositae: Anaphalis margaritacea, Aster ageratoides var. ovatus, A. glehni, Erigeron annuus, Lapsana humilis, Picris hieracioides var. japonica, Rudbeckia laciata, Taraxacum hondoense, T. officinale. Liliaceae: Gagea lutea.
