[Syrphidae] Re: Sex identification based on abdomen coloration

Francis Gilbert Francis.Gilbert at nottingham.ac.uk
Wed Feb 10 08:24:04 GMT 2016


hi Malin

Do you know the attached papers? Graham Holloway did a lot of work on the variation in colour pattern in arbustorum, and Jon Heal also on tenax, arbustorum and intricarius

Best wishes

Francis


Dr Francis Gilbert
Professor of Ecology
Room B132, Biology Building, School of Life Sciences
University Park, University of Nottingham, Nottingham NG7 2RD, UK
Tel: +44 (0) 115 951 3215
website: www.nottingham.ac.uk/~plzfg
                ecology.nottingham.ac.uk

From: syrphidae-bounces at lists.nottingham.ac.uk [mailto:syrphidae-bounces at lists.nottingham.ac.uk] On Behalf Of Malin
Sent: 10 February 2016 08:16
To: syrphidae at lists.nottingham.ac.uk
Subject: [Syrphidae] Sex identification based on abdomen coloration

Hi,

During this years field season I have started to consider whether the coloration of the abdomen can help in sex identification, particularity of Eristalis tenax and Eristalis arbustorum. My feeling is that the most brightly coloured individuals appear to be male, whereas the individuals with darker colours could be either male or female. Have anyone noted something similar or do you have another way to quickly determine sex in the field (except for the difference in eye morphology, which even though useful can be a bit tricky in some field situations)?

Best Regards
Malin Thyselius


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