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T-Space at The University of Toronto Libraries >
P. E. Hallett (2011) Farmed Solitary Bees & Wasps, Data Set (generations 1997-2008) >
06B Photo diaries >

06B.13 Saugeen 2005

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Generation 2005.

These images are best viewed after sorting by 'issue date' (=actual field date).

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3.2 mm cavities. Two weeks later. A mix of immature stages, earliest at the front.

3.2 mm cavities, some provisioned with chrysomelid beetle larvae for Symmorphus cristatus.

4.8 mm cavities in early summer. At the same date the provisions are gone and slightly shrunken bright yellow prepupae are seen in neighbouring cavities.

4.8 mm cavities in early summer. The 'bloated' larvae and beetle larvae provisions are well shown.

Cavity width, provisioning and overwintering prepupal colour allow good but not perfect sorting of Symmorphus canadensis and S. cristatus.

 

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