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 Xylota sylvarum
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| nick upton |
Posted on 05-01-2017 18:14
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Member Location: Wiltshire, UK Posts: 819 Joined: 12.03.10 |
c 8mm 23.7.16 near cedar logs and sawdust in a Wiltshire UK garden We had a Deodar cedar tree blown down in a storm last spring and sawn up into large circles with masses of sawdust lying around for months and several invertebrate species appeared over the summer I had not seen before in the garden including this smart black hoverfly with a golden band on the abdomen - several were around on the sawdust/on nearby plants for several weeks in late summer. It's definitely a Xylota and based on abdominal markings and crucially a partly black rear tibia, I think that makes it the quite local Xylota sylvarum rather than the rarer X. xanthocnema which has all yellow hind tibia. I can find records of X. sylvarum as a woodland clearing species laying in rotten stumps of e.g. beech. I've found no mention of it using conifers, but the habitat data may be poorly recorded. nick upton attached the following image:  [216.47Kb] Nick Upton - naturalist and photographer |
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| nick upton |
Posted on 05-01-2017 18:15
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Member Location: Wiltshire, UK Posts: 819 Joined: 12.03.10 |
another view
nick upton attached the following image:  [245.29Kb] Nick Upton - naturalist and photographer |
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