A Schwarz's Masked Bee (Hylaeus schwarzii) observed foraging in Coconut Creek, Florida. There are currently an estimated 130 species of Hylaeus in America. [12] Several species have been accidentally introduced to the country.

The genus Hylaeus, commonly known as yellow-faced bees, consists of more than 500 species within the family, Colletidae. There are currently about 130 species of hylaeus in America. Typically 5-7mm long, yellow-faced bees resemble tiny black wasps, with yellow-white markings on their face, legs, and thorax.

Genus summary: Hylaeus (hi-LEE-us ) is a genus that is found worldwide, with around 700 identified species. There are approximately 14 species in North America. The individual species tend to be widely distributed and can be very abundant locally. Description: Hylaeus are shiny, slender, hairless, and superficially wasp-like bees.

Sep 14, 2021 · Hylaeus lack external pollen transporting structures (e.g. scopa) and store pollen and nectar internally in a "honey stomach".

Hylaeus paumako is a species of bee endemic to the Hawaiian island of Molokaʻi. It was discovered in a designated conservation and wilderness area in the ahupuaʻa of Mākolelau in 2024 and later described in 2025.

Apr 1, 2025 · The Panamanian masked bee is striking when viewed with magnification, because it has a partly-orange clypeus (the face part above the jaws). Hylaeus species within the United States that have such exotic coloring are unusual and tend to …

Hylaeus leptocephalus, commonly known as the slender-headed masked bee, belongs to the genus Hylaeus in the family Colletidae. Hylaeus is the only truly globally distributed Colletid genus, occurring on all continents except Antarctica.

Hylaeus basalis, commonly known as the cinquefoil masked bee, belongs to the genus Hylaeus in the family Colletidae. Hylaeus is the only truly globally distributed Colletid genus, occurring on all continents except Antarctica.

Hylaeus are very small, black, nearly hairless bees, frequently with yellow or white markings on their faces, collars and legs. Males have more yellow on the face, frequently filling the lower face between the eyes and looking more like a “mask.”

Jun 27, 2020 · Hylaeus are distinguished by yellow or white markings on their faces giving rise to their common names, yellow-faced or masked bees, and very few hairs on their bodies.