April

Erysimum allionii – Siberian Wallflower

Botanical Family Brassicacaeae

Bloom Time April – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 1+

Aperture Type Sulcus

Ornamentation Reticulate

Tectum Eutectate

Size (um) 18

Shape Round

Pollen Color

Corylus avellana ‘contorta’ – Harry Lauder’s Walking Stick

Botanical Family Betulaceae

Bloom Time March – April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpus

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um)

Shape Triangular

Pollen Color

Honey Bee Resources

Pollen Source

Nectar Source

Pollen Load Identification

Corylus spp. pollen typically has a large pollen load in the corbicula, but also causing pollen dusting on the head and antennae, and the posterior thorax and abdomen of the foraging bee.

Resources

Hodges, D. (1952). The pollen loads of the honey bee: a guide to their identification by colour and form. London: Bee Research Assoc. Ltd.

Mahonia spp. – Barberry

Botanical Family Amaryllidaceae

Bloom Time April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number

Aperture Type Sulcus

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color

Ipheion uniflorum – Spring Starflower

Botanical Family Amaryllidaceae

Bloom Time April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Sulcus

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um)

Shape Oval

Pollen Color Yellow

Honey Bee Resources

Pollen Source • •

Nectar Source • •

Viburnum bodtandense ‘Dawn’ – Viburnum

Botanical Family Adoxaceae

Bloom Time March – April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Reticulate

Tectum Semitectate

Size (um) 21

Shape Round

Pollen Color Yellow

Honey Bee Resources

Pollen Source •

Nectar Source •

Viburnum x burkwoodii – Burkwood Viburnum

Botanical Family Adoxaceae

Bloom Time April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Reticulate

Tectum Semitectate

Size (um) 21

Shape Round

Pollen Color

Taraxacum officinale – Dandelion

Botanical Family Asteraceae

Bloom Time March – December

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Porate

Ornamentation Lophate

Tectum Eutectate

Size (um) 35

Shape Round

Pollen Color Orange

Honey Bee Resources

Pollen Source

Nectar Source

Pollen Load Identification

Taraxacum pollen load is typically a large packet on the corbicula, but the pollen can also be found dusted on the head and antennae, and posterior thorax and abdomen of a foraging bee.