Flower-Visiting Insects
of Marsh Violet

Viola obliqua (Marsh Violet)
(Also referred to as Viola cucullata; bees usually suck nectar, but sometimes collect pollen; Robertson regarded many bees as non-pollinating, as indicated below; bee flies suck nectar and are non-pollinating; other insects suck nectar; observations are from Robertson)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn; Apidae (Bombini): Bombus auricomous sn np, Bombus griseocallis sn np, Bombus impatiens sn np, Bombus pensylvanica sn np; Anthophoridae (Anthophorini): Anthophora ursina sn np; Anthophoridae (Ceratinini): Ceratina dupla dupla sn np; Anthophoridae (Eucerini): Synhalonia belfragii sn, Synhalonia speciosa sn; Anthophoridae (Nomadini): Nomada affabilis sn; Megachilidae (Osmiini): Osmia bucephala bucephala sn, Osmia collinsiae sn, Osmia lignaria lignaria sn, Osmia pumila sn cp fq

Bees (short-tongued)
Halictidae (Halictinae): Halictus confusus sn np, Lasioglossum cressonii sn np, Lasioglossum foxii sn; Andrenidae (Andreninae): Andrena carlini sn, Andrena violae sn cp fq olg

Bombyliidae: Bombylius major sn np, Bombylius pulchellus sn np

Nymphalidae: Vanessa virginiensis sn; Pieridae: Colias philodice sn, Pieris rapae sn

Hesperiidae: Erynnis brizo sn, Erynnis juvenalis sn, Erynnis martialis sn