SEM presentation

EXAMINING THE BEE’S KNEES: HIDDEN GEMS IN THE CORBICULA

2/17/2016

Beth Skoffwith Jim Davis

The Study

Examining Pollen• Light microscope was unsuccessful..• Scanning Electron Microscope (SEM)

SEM Process• Stubs

• Gold Palladium

• The SEM

Results

Known (Flowers)

Asteraceae

Oxeye DaisyLeucanthemum vulgare

Slender HawkweedHieracium gracile

Leafy AsterSymphyotrichum cusickii

Ericaceae

White Mt. HeatherCassiope mertensiana

Yellow Mt. HeatherPhyllodoce glanduliflora

Pink Mt. HeatherPhyllodoce empertriformis

Thinleaf BlueberryVaccinium membranaceum

Cascade BlueberryVaccinium deliciosum

Rosaceae

PartridgefootLuetkea pectinata

SalmonberryRubus spectabilis

ThimbleberryRubus parviflorus

Subalpine SpiraeaSpiraea splendens

Fanleaf CinquefoilPotentilla flabellifolia

Sitka Mt. AshSorbus sitchensis

Other Families

Apline Bistort Polygonum viviparum

Black TwinberryLonicera involucrata

Cow ParsnipHeracleum maximum

FireweedEpilobium angustifolium

FoxgloveDigitalis purpurea

Sitka ValerianValeriana sitchensis

False Solomon’s SealMaianthemum racemosum

Broadleaf LupineLupinus latifolius

Unknowns (Bees)

Bombus melanopygus Bombus flavifrons

1. Austin Pass – B. melanopygus

2. Excellsior – Sitka Val. – B. melanopygus

3. Sitka Val. – B. melanopygus

4. Picture Lk. – Pink Mt. Heather – B. melanopygus

5. Pink Mt. Heather – B. melanopygus

6. Excellsior – Broadleaf Lupine – B. melanopygus

7. Austin Pass – B. flavifrons

8. Sitka Mt. Ash- B. flavifrons

9. Broadleaf Lupine – B. spp

Identification

7 cont.

ConclusionThe target plants:• B. melanopygus

• Broadleaf Lupine• Foxglove• Thinleaf Blueberry

• B. flavifrons• Pink Mt. Heather• Thinleaf Blueberry

• B. spp• Broadleaf Lupine

ReferencesFlower Images• "Name Search Results | USDA PLANTS." Name Search Results | USDA

PLANTS. Web. 15 Feb. 2016.

Heather Meadows Image• "Forest Service." Forest Service. Web. 15 Feb. 2016.

Bumble Bee Images• Koch, Jonathan, James Strange, and Paul Williams. “Bumble Bees of the

Western United States.” U.S. Forest Service and the Pollinator Partnership.

Questions?

SEM presentation

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