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P. E. Hallett (2011) Farmed Solitary Bees & Wasps, Data Set (generations 1997-2008) >
06B Photo diaries >
These images are best viewed after sorting by 'issue date' (=actual field date).
Stands always face East etc. (Ditto 2)
Osmia lignaria and characteristic nests of the sphecid etc. (Detail 2). The often black pollinaceous faeces diagnostic of a bee should not be confused with the parasitoid Melittobia.
Osmia lignaria above and characteristic nests of the sphecid Trypoxylon frigidum below, with fly cocoons. 7 cavities of 4.8 mm width.
Osmia lignaria above and characteristic nests of the sphecid etc (Detail 1).
New nest of Mason Bee Osmia lignaria at bottom, old etc. (Detail).
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