Scientific Name: Hylaeus sp.
Size: Small, 5 – 7 mm (0.2 – 0.3 in)*
Nest: Preexisting cavities: wood, stems or twigs*
Nest Lining: Silk-like salivary gland secretions, brushed on with glossa*
Active: Late spring – late summer*
Color and Appearance: Black with yellow markings; hairless, bilobed tongue, no pollen-collecting scopae*
Pollen Collection: Pollen stored internally in crop*
*From Heather Holm, Pollinators of Native Plants: Attract, Observe and Identify Pollinators and Beneficial Insects with Native Plants. Minetonka: Pollination Press, LLC, 2014., p. 257.