File:Daffodil Fly (Norellia spinipes) male (13129282905).jpg
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Summary
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| Description |
First found in Surry in 1965 and spreading ever since. The larvae mine the leaves and pupate at the base of the plant and sometimes damage the bulbs (Smith, 1989). Most records are for the Spring (April to June) when adults are usually found on daffodil leaves. Thought to have been introduced in imported bulbs. I was surprised to find one first time I visited a patch of daffodils in the park to look for them, and even more surprised to get a shot in focus! ID and sex confirmed by Malcolm Smart - see www.dipteristsforum.org.uk/t3658-Norellia-spinipes.html. Malcolm pointed out the distinguishing features of this fly - it has only 2 pairs of dorsocentral bristles (one in front of the suture and one behind. It has only one row of ventral spines along its front tibiae. Norellisoma species have more than two pairs of dorsocentrals and 2 rows of ventral bristles along the front tibiae. Males of spinipes have a pair of thumb-like projections pointing backwards and downwards below sternite 5. One of these is present clearly visible in this picture - so it is a male. Details for the record: UK, East Suffolk, Ipswich Ipswich: Christchurch Park TM164455 12-Mar-2014 M Cooper |
| Date | |
| Source | Daffodil Fly (Norellia spinipes) male |
| Author | Martin Cooper from Ipswich, UK |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This image was originally posted to Flickr by Martin Cooper Ipswich at https://www.flickr.com/photos/92899351@N08/13129282905. It was reviewed on 18 March 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| current | 18:09, 18 March 2015 | | 1,440 × 1,646 (1.41 MB) | Jacopo Werther (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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