THE BUZZ ON NATIVE BEE CONSERVATION

Dr. Jason R. Graham jrgraham@hawaii.edu

My Background

My Background:Getting Bs in School

New associations of BQCV, DWV and IAPV among selected Hymenoptera in the forage landscape

ALOHAMeeting the Hawaiian Yellow-Faced Bee

Magnacca, 2007

7 Endangered Species

hilaris

Hylaeus anthracinus

hilaris

Recent Known Populations on Oahu

Current Known Populations on Oahu

University of Hawaii Neuroscience and MRI Research Program

20,000 Known Species Of Bees In The World!

3,000 In North America

Yellow-Faced Bees are in the family Colletidae

Eusocial (truly social)1. Reproductive division of labor2. Cooperative brood care3. Overlap in generations

Yellow-Faced Bees are Solitary Bees

Egg Larva White pupa

Darkening pupa

Pupa crawler Adult

Non-native Introductions

Bees Monitored

Endangered

dentipessmaragdula

Hylaeus Ceratina

Dissecting Nests And Rearing Immatures

Length of tunnel: 57.8 6.19 mm

Inside diameter of nest: 3.24 0.05 mm

Outside diameter of branch: 13.62 1.7 mm

Length of nest: 29.42 4.31 mm

Length of cells: 8.13 0.35 mm

# of cells per nest: 2.52 0.32 cells

Thickness of cell cappings: 0.23 0.01 mm

Nest material: Glandular secretion

Reared from: 11 nests: coral/rocks11 nests: Scaevola sericea (Beach Naupaka)

8 nests: Tournefortia argentea (Tree Heliotrope)

Inside diameter of coral nests: 3.34 0.07 mm

Nest Parameters: Hylaeus anthracinus

Nest parameters

Coral rubble in full sun

and in shade

Naupaka understory

Heliotrope canopy

Ideal Habitat?

5/32 drill bit into 2x4(3.7 mm -> 3.4 mm with swell)

Testing Various Artificial Nests

Ideal Nest Size?

>900 nests observed and recorded as of November 2016

Why are Hawaiian yellow-faced bees endangered?

Ant Invasions and Exclusion from Flowers

Competition From Introduced Bees

Habitat Loss and Climate Change

Introduced Predators

Sick Bees Due to Pathogens?

What are we planning for the future of this bee?

Test New Materials & Sizes of Tube

3D Printed Artificial Nests

Captive Rearing Prospects

Pathogen Screening

Translocation

Habitat Protection & Enhancement

Pollen Library and Forage Preference

Outreach & Education

Work with other native yellow-faced bees

Work on additional islands & habitats

What can you do to help?

Spread the News About Our Native Bees

Keep an Eye Out & Report Yellow-Faced Bee Sightings to:

jrgraham@hawaii.edu

Dont burn coastal vegetation, those branches may be home to endangered

bees

Protect and Care for Our Native Plants

If You are Interested in Volunteering Contact Me:

jrgraham@hawaii.edu

This project was funded by Department of Defense Legacy Resource Management Program, DOFAW-DLNR Hawaii Invertebrate Program, and the US Fish &Wildlife Services Pacific Islands Coastal Program. We also thank the Oahu Army Natural Resources Program; US Fish &Wildlife Service National Wildlife Refuge; James Campbell National Wildlife Refuge; Iolani Schools Apiary Club, Fabrication Laboratory, Education Innovation Laboratory, and Sullivan Center Research Lab; University of Hawaii Reed Lab; Livable Hawaii Kai Hui; Ka Iwi Coalition; 808 Cleanups.

Thanks to all of you for this time to speak with you!

Mahalo

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