Eucera / long-horned Bee

Family: Apidae

Genus: Eucera

Common Name: Long-Horned Bee

APPEARANCE

Physical Appearance

Eucera species are generally distinguished by a covering of dense pale brown hair on their head and thorax. Their abdomens are usually dark, sometimes with pale bands of light hair. They sometimes have yellow hairs on their face, which appear more distinct in the males of some species.

 

The female carries pollen in a brush of specialized hairs, called a scopa, on each hind leg.

 

Like other members of the tribe Eurcerini (which include Svastra and Melissodes), Eucerini males have extremely long antennae; hence the common name, “long-horned bee”.

 

Characteristics

Eucera species are generalist foragers

Size

Small to medium size bees, 1/2 to 3/4 inch in length

HABITS

Distribution

Eucera species are found coast to coast and widely distributed throughout the United States and Canada.

 

Number of species in North America

Approximately 120

 

Emergence Time
Spring, summer, depending upon species

 

Nesting Habit
Eucera species are mostly solitary ground-nesting bees. Each female creates and provisions her own brood cells. She lines the walls of the cells with a waxy, waterproof substance, secreted from her body.

 

Pollinated Garden Crops Include
Blueberry

 

Additional Flowers Visited in Natural Areas

Parkinsonia (paloverde, Jerusalem thorn)

Visited Plants

Arctostaphylos / Manzanita

Cercis / Redbud

Cucurbita / Gourd

Eriogonum / Buckwheat

Helianthus / Sunflower

Larrea / Creosote Bush

Lupinus / Lupine

Penstemon / Beardtongue

Phacelia / Scorpionweed

Ribes / Currant

Salix / Willow

Sphaeralcea / Globemallow

Vaccinium / Blueberry

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