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Hylaeus Masked Bees
Hylaeus
Colletidae
Hylaeus
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Description
Hylaeus are tiny to small-medium (3-8 mm), slender bees with a black body and distinctive yellow (sometimes white) markings on the face and legs. Their bodies look wasp-like. They have very little hair and females have no scopae. Forewing has 2 submarginal cells. Males have more extensive yellow face markings (see photo top-right).
Nectar/
Pollen Plants
Hylaeus are mostly generalists, and eat pollen and nectar (rather than carry it on scopae), and regurgitate it in their nests.
Habits
Hylaeus nest in hollow twigs or existing holes in wood. Females line cell walls with gluey, silk-like secretions. May have two generations per year.
Season
April - September

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