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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.08 Monastery 2006 >

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PreviewIssue DateTitleAuthor(s)
DSCN0344.JPG.jpg25-May-20063 species of bee. From top to bottom, the resin nests of Megachile campanulae, leaf -roller nests, perhaps M. rotundata, and the mud nest of Osmia lignaria.Hallett, Peter
DSCN0376ocA_or_mcA.JPG.jpg21-Jun-2006Although Osmia coerulescens is the expected species there is so much resin in this nest of masticated leaves that it is best to check later in the year for Megachile campanulae (which overwinters as a white prepupal grub rather than a dark adult).Hallett, Peter
DSCN0462LAU211B.JPG.jpg10-Aug-2006BAR stand, block 111, 6.4 mm cavities. Stack 11X was empty in Feb 2006 but soon filled in Spring with Osmia lignaria and its mites.Hallett, Peter
DSCN0463LAU212C.JPG.jpg10-Aug-2006BAR stand, block 112, 8.0 mm cavities. Stack 11X was empty in Feb 2006 but soon filled in Spring with Osmia lignaria and its mites.Hallett, Peter
DSCN0464LAU213D.JPG.jpg10-Aug-2006BAR stand, block 113, 9.6 mm cavities. Stack 11X was empty in Feb 2006 but soon filled in Spring with Osmia lignaria and its mites.Hallett, Peter
DSCN0465LAU214C.JPG.jpg10-Aug-2006BAR stand, block 114, 8.0 mm cavities. Stack 11X was empty in Feb 2006 but soon filled in Spring with Osmia lignaria and its mites.Hallett, Peter
DSCN0466LAU215B.JPG.jpg10-Aug-2006BAR stand, block 115, 6.4 mm cavities. Stack 11X was empty in Feb 2006 but soon filled in Spring with Osmia lignaria and its mites.Hallett, Peter
DSCN0467LAU216C.JPG.jpg10-Aug-2006BAR stand, block 116, 8.0 mm cavities. Stack 11X was empty in Feb 2006 but soon filled in Spring with Osmia lignaria and its mites.Hallett, Peter
DSCN0468LAU217D.JPG.jpg10-Aug-2006BAR stand, block 117, 9.6 mm cavities. Stack 11X was empty in Feb 2006 but soon filled in Spring with Osmia lignaria and its mites.Hallett, Peter
DSCN0712MB211B_detail.JPG.jpg25-Jan-2007BAR stand, block 211, 6.4 mm cavities. Detail. The irregular-edged construction without visible cross walls also has an apparent but not real 'spiral' quality.Hallett, Peter
DSCN0713MB211B_detail_n_chimera.JPG.jpg25-Jan-2007BAR stand, block 211, 6.4 mm cavities. Detail. These nests tend to be infested with Melittobia and, in the interest of biodiversity, need to be removed or pruned if even just a single pinhole is visible., as at middle left. The 4th cavity (bottom) shows a change from 'cross wall' to 'spiral' structure, suggestive of an inter-specific nesting conflict.Hallett, Peter
DSCN0454BAR211B.JPG.jpg10-Aug-2006BAR stand, block 211, 6.4 mm cavities. The cavity with the mother subsequently changed its nest construction! See later image of this nest block in this collection for 2007.01.25.Hallett, Peter
DSCN0711MB211B_mAB_two_constructions.JPG.jpg25-Jan-2007BAR stand, block 211, 6.4 mm cavities. Two nest constructions for Megachile leaf-rolling bees. Top: probably the exotic farmed M. rotundata with nested 'dixie' cups with irregular edges to the side walls (cross walls hidden); below: probably M. relativa with regular visible cross walls and side walls. The 4th cavity up is anomalous as there is a transition from the putative relativa form to the putative rotundata form (see tantalizing earlier image of this block on 2006.08.10 in this collection).Hallett, Peter
DSCN0455BAR212C_imA_aAA.JPG.jpg10-Aug-2006BAR stand, block 212, 8.0 mm cavities. Cocoons of Isodontia mexicana (grass nest, left over cricket prey), and the mud barrels of the Spider Wasp Auplopus.Hallett, Peter
DSCN0456BAR213B_aAB_mAB_mcAwars.JPG.jpg10-Aug-2006BAR stand, block 213, 6.4 mm cavities. From below: cavity 1 M.pugnata, 2 A. antilope, 3 A. antilope followed by M. rotundata, 4 A. antilope, 5 M. pugnata followed by M. campanulae, 6 probably M. rotundata. Subsequent observation gave no losses in cavities 3 or 5 ---so blocking is not always a cause of deaths. In cavity 6, 4 bees failed in an unwintered emergence, killing 4 immature siblings in the attempt.Hallett, Peter
DSCN0457BAR214A_scB.JPG.jpg10-Aug-2006BAR stand, block 214, 4.8 mm cavities. From below : Osmia coerulescens, the rest Symmorphus cristatus (identifiable at this stage by the black chrysomelid prey and the tan cell coatings). The Spring emergence of cavity 5 (that with the long mud stopper) failed, leaving 1 unemerged adult and 3 dead immatures.Hallett, Peter
DSCN0458BAR215B_aAB_mAB_mcA_wars.JPG.jpg10-Aug-2006BAR stand, block 215, 6.4 mm cavities. From below: cavity 1 Symmorphus cristatus, 2 leaf-roller then M.campanulae, 3 S. cristatus then M.campanulae, 4 S. cristatus with Chrysis parasitoid, 6 leaf-roller. The leaf-rollers are probably M. relativa. The inner nest in cavity 2 was slightly cut back and died without developing adults. Cavity 3 was not a conflict, as the single immature was killed by a bombyliid, which failed to emerge.Hallett, Peter
DSCN0716MB215-b2_mAB_mcA_war.JPG.jpg25-Jan-2007BAR stand, block 215, 6.4 mm cavities. Nesting conflicts. Note intrusion of mud Potter Wasp walls in cavities 5 and 6 up, transitions from mud walls to resin in 3 up and from resin to grass walls in 2 up. Species are Megachile probably relativa, Symmorphus cristatus, Megachile campanulae (resin user), Isodontia mexicana.Hallett, Peter
DSCN0459BAR216C_scB_mAB_war.JPG.jpg10-Aug-2006BAR stand, block 216, 8.0 mm cavities. From below: cavity 1 probably Megachile relativa, 2 3 + 4 Isodontia mexicana, 5 a nest of M, pugnata emptied and filled with probably M. rotundata. The Isodontia nest in 3 fell to Osmia lignaria in the Spring of 2007.Hallett, Peter
DSCN0460BAR217B.JPG.jpg10-Aug-2006BAR stand, block 217, 6.4 mm cavities. Species upwards: Megachile relativa, Symmorphus cristatus, M. rotundata. The blocking of the inner S. cristatus by M. rotundata in cavity 5 up was not counted as a nesting conflict because both were killed by Melittobia.Hallett, Peter
Showing results 1 to 20 of 102
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