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P. E. Hallett (2011) Farmed Solitary Bees & Wasps, Data Set (generations 1997-2008) >

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Showing results 140 to 159 of 502
PreviewIssue DateTitleAuthor(s)
DSCN0365.JPG.jpg15-Jun-2006Early cocoon spinning by Osmia lignaria. Some of the cocoons are still translucent. Most of the pollen is gone.Hallett, Peter
IMGP0929olA.JPG.jpg30-Jun-2005An early stage for diagnosis but Osmia lignaria is the only bee making pure mud walls in this Data Set.Hallett, Peter
DSCN0345ectopicOsmia_lignaria.JPG.jpg25-May-2006Ectopic cells of Osmia lignaria built in the gap between 2 stacks of nest blocks. In 2006 there was severe crowding at the Monastery with only 14 in 1249 cavities empty. In addition 794 of 1080 O. lignaria nests were harvested in an effort to preserve biodiversity.Hallett, Peter
DSCN0346.JPG.jpg25-May-2006Ectopic cells of Osmia lignaria, etc. (Ditto).Hallett, Peter
IMG0007.jpg.jpg2000Eggs and larvae of Potter Wasp (Ancistrocerus antilope)Hallett, Peter
Img0006Ancistrocerus.jpg.jpg2000Eggs and larvae of Potter Wasp (Ancistrocerus antilope). The eggs of vespids hang from the nest ceiling.Hallett, Peter
IMGP0869olA_eggs.JPG.jpg5-Aug-2005Eggs or early embryos of the Mason Bee Osmia lignaria.Hallett, Peter
Img0024hive_exploded.jpg.jpg2000'Exploded' nest box to demonstrate its parts.Hallett, Peter
IMGP0754stacks.JPG.jpg8-Apr-2005Faces of the 3 righthand stacks of nest blocks, showing packing and some mud stoppers visible from the front.Hallett, Peter
Quietus_a040810.jpg.jpg10-Aug-2004The female Trypoxylon lactitarse alighted to re-sting her spider prey before entering her nest.Hallett, Peter
IMG0013.jpg.jpg2000Fly (Amobia sp., probably A. distorta, inquiline of Symmorphus, Ancistrocerus and Trypoxylon), Mason Bee (Osmia tersula), Potter Wasps (Ancistrocerus).Hallett, Peter
IMGP0240I.mexicana.JPG.jpg29-Jul-2004Grass nests of the cricket-hunting wasp Isodontia mexicana at various stages of development.Hallett, Peter
DSCN0367.JPG.jpg15-Jun-2006Here Osmia lignaria not only seized the unused space but, etc. (Ditto).Hallett, Peter
DSCN0369olA_superseding_imA.JPG.jpg15-Jun-2006Here Osmia lignaria not only seized unused space but, etc. Again, note the cocoon remnant.Hallett, Peter
DSCN0366olA_superseding_imA.JPG.jpg15-Jun-2006Here Osmia lignaria not only seized unused space but the records, and the severed cocoons, showed that the Isodontia nests were cut back to make more space. I believe this is more likely if there is no Isodontia nest stopper of protruding long straws but only a fibrous cross wall.Hallett, Peter
IMGP0940ocA_or_mpA.JPG.jpg6-Jul-2005If these nests develop overwintering dark adults (orange coated males in anterior cells) the diagnosis is Osmia coerulescens, if not it is Megachile pugnata (there are suggestions of bilaminate cross walls here; the female should have spinous cheeks).Hallett, Peter
IMGP0342.JPG.jpg17-Aug-2004Immatures of the resin-using bee Megachile campanulae.Hallett, Peter
IMGP0341Trypoxylon_collinumq.JPG.jpg17-Aug-2004immatures of the wasp Trypoxylon collinum with cocoons of various ages, and remains of spider provisions.Hallett, Peter
DSCN0621LAU312C_b3-5_olA-db_invaded_by_imA-fk.JPG.jpg16-Sep-2006In the upper cavity (#5) Osmia lignaria was killed by emergence of generation 2005 Isodontia. In cavity 3 it is perhaps moot whether Osmia was killed by the emergence of the inner Isodontia nest of generation 2005 or by invasion from outside by '2006' Isodontia.Hallett, Peter
DSCN0370olA_superseding_olA.JPG.jpg15-Jun-2006In this case new generation Osmia lignaria have built in front of the old, blocking emergence.Hallett, Peter
Showing results 140 to 159 of 502