From Joachim.MERGEAY at INBO.BE Mon Apr 9 00:31:30 2012 From: Joachim.MERGEAY at INBO.BE (MERGEAY, Joachim) Date: Sun, 8 Apr 2012 23:31:30 +0000 Subject: [Syrphidae] genitalia nomenclature etc Message-ID: Hi there, Does anyone have a good standard work on male genitalia in Syrphidae? I'm always a bit frustrated with the lack of clarity when genital structures are mentioned in keys or figures. Somehow, it's often found obsolete to indicate whether the drawing shows a lateral/ventral/dorsal view, and even just naming parts is rather exception than rule: epandrium, hypandrium/hypopygium, surstylus, gonostylus, paramere, aedeagus, aedeagal lobe, ... Many of theses things seem to be taken for granted. Identification guides go into great detail when it comes to define a priori the structural sides of the thorax, wing morphology, etc. but I have never seen this for Syrphid genitalia, nor how genitalia are modified segments and how to "read" them. Often it's called "genitalia" whereas it may refer only to a specific part of the genital apparatus. That's like showing a picture of a first tarsus and labelling it as "leg". Still, that's pretty ok if you know that the distal part of the leg is called the tarsus, but what to do if you don't know where to find a paramere if nobody told you in the first place where it's located, especially when it's hidden by some other structure? Interpreting such label-less 2D figures out of their structural context when confronted with a 3D specimen under a stereomiscroscope and linking this to a key can be really frustrating. I had hoped to find a pdf of CL Metcalf's work "The genitalia of male Syrphidae". If anyone has it, I would be grateful to receive a digital copy. Other suggestions are welcome as well. Cheers joachim * * * * * * * * * * * * * D I S C L A I M E R * * * * * * * * * * * * * Dit bericht en eventuele bijlagen geven enkel de visie van de schrijver weer en binden het INBO onder geen enkel beding, zolang dit bericht niet bevestigd is door een geldig ondertekend document. The views expressed in this message and any annex are purely those of the writer and may not be regarded as stating an official position of INBO, as long as the message is not confirmed by a duly signed document. -------------- next part -------------- An HTML attachment was scrubbed... URL: From steven at sfalk.wanadoo.co.uk Mon Apr 9 09:44:36 2012 From: steven at sfalk.wanadoo.co.uk (Steven Falk) Date: Mon, 9 Apr 2012 09:44:36 +0100 Subject: [Syrphidae] Re: genitalia nomenclature etc In-Reply-To: References: Message-ID: <85C1FF2CFEED41E88ADA23AA71DA1783@desktoppc> Joachim, There is lots of information available in book e.g. British Hoverflies (Stubbs & Falk), The Natural History of Hoverflies (Rotheray & Gilbert) or non Syrphid-specific literature e.g Manual of Nearctic Diptera because the terms tend to carry over across families - though there can be some variation in terminology. But you are right, you need to consider the genitalia in 3D and carefully look at how all the bits articulate and become familiar with how certain parts are rigid whilst other softer bits are prone to variation or damage. I dissected the genitalia of many syrphid species in the past, esp Cheilosini, see Stubb & Falk diagrams. Incase anybody is interested, I'm currently putting my syrphid photos (plus most other wildlife groups) onto Flickr. Follow the link below - lots of nice images of some very elusive species, plus their habitats. I'm about 40% there (families like Tabanidae, Bombyliidae etc already finished). Which syrphids are you looking at? Steven Steven Falk Artist - Naturalist - Photographer www.stevenfalk.co.uk Wildlife identification & information resources at: www.flickr.com/people/63075200 at N07/ _____ From: syrphidae-bounces at lists.nottingham.ac.uk [mailto:syrphidae-bounces at lists.nottingham.ac.uk] On Behalf Of MERGEAY, Joachim Sent: 09 April 2012 00:32 To: Hoverfly discussion list (syrphidae at lists.nottingham.ac.uk) Subject: [Syrphidae] genitalia nomenclature etc Hi there, Does anyone have a good standard work on male genitalia in Syrphidae? I'm always a bit frustrated with the lack of clarity when genital structures are mentioned in keys or figures. Somehow, it's often found obsolete to indicate whether the drawing shows a lateral/ventral/dorsal view, and even just naming parts is rather exception than rule: epandrium, hypandrium/hypopygium, surstylus, gonostylus, paramere, aedeagus, aedeagal lobe, ... Many of theses things seem to be taken for granted. Identification guides go into great detail when it comes to define a priori the structural sides of the thorax, wing morphology, etc. but I have never seen this for Syrphid genitalia, nor how genitalia are modified segments and how to "read" them. Often it's called "genitalia" whereas it may refer only to a specific part of the genital apparatus. That's like showing a picture of a first tarsus and labelling it as "leg". Still, that's pretty ok if you know that the distal part of the leg is called the tarsus, but what to do if you don't know where to find a paramere if nobody told you in the first place where it's located, especially when it's hidden by some other structure? Interpreting such label-less 2D figures out of their structural context when confronted with a 3D specimen under a stereomiscroscope and linking this to a key can be really frustrating. I had hoped to find a pdf of CL Metcalf's work "The genitalia of male Syrphidae". If anyone has it, I would be grateful to receive a digital copy. Other suggestions are welcome as well. Cheers joachim * * * * * * * * * * * * * D I S C L A I M E R * * * * * * * * * * * * * Dit bericht en eventuele bijlagen geven enkel de visie van de schrijver weer en binden het INBO onder geen enkel beding, zolang dit bericht niet bevestigd is door een geldig ondertekend document. The views expressed in this message and any annex are purely those of the writer and may not be regarded as stating an official position of INBO, as long as the message is not confirmed by a duly signed document. This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system: you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. -------------- next part -------------- An HTML attachment was scrubbed... URL: From xelaalex at cox.net Mon Apr 9 14:52:02 2012 From: xelaalex at cox.net (Chris Thompson) Date: Mon, 9 Apr 2012 09:52:02 -0400 Subject: [Syrphidae] Re: genitalia nomenclature etc In-Reply-To: <85C1FF2CFEED41E88ADA23AA71DA1783@desktoppc> References: <85C1FF2CFEED41E88ADA23AA71DA1783@desktoppc> Message-ID: Sorry, All, My response was rejected as my attachment was too large. So, please check and read this attached response. Sincerely, Chris from home From: Steven Falk Sent: Monday, April 09, 2012 4:44 AM To: 'Hoverfly discussion list' Subject: [Syrphidae] Re: genitalia nomenclature etc Joachim, There is lots of information available in book e.g. British Hoverflies (Stubbs & Falk), The Natural History of Hoverflies (Rotheray & Gilbert) or non Syrphid-specific literature e.g Manual of Nearctic Diptera because the terms tend to carry over across families ? though there can be some variation in terminology. But you are right, you need to consider the genitalia in 3D and carefully look at how all the bits articulate and become familiar with how certain parts are rigid whilst other softer bits are prone to variation or damage. I dissected the genitalia of many syrphid species in the past, esp Cheilosini, see Stubb & Falk diagrams. Incase anybody is interested, I?m currently putting my syrphid photos (plus most other wildlife groups) onto Flickr. Follow the link below ? lots of nice images of some very elusive species, plus their habitats. I?m about 40% there (families like Tabanidae, Bombyliidae etc already finished). Which syrphids are you looking at? Steven Steven Falk Artist - Naturalist - Photographer www.stevenfalk.co.uk Wildlife identification & information resources at: www.flickr.com/people/63075200 at N07/ -------------------------------------------------------------------------------- From: syrphidae-bounces at lists.nottingham.ac.uk [mailto:syrphidae-bounces at lists.nottingham.ac.uk] On Behalf Of MERGEAY, Joachim Sent: 09 April 2012 00:32 To: Hoverfly discussion list (syrphidae at lists.nottingham.ac.uk) Subject: [Syrphidae] genitalia nomenclature etc Hi there, Does anyone have a good standard work on male genitalia in Syrphidae? I?m always a bit frustrated with the lack of clarity when genital structures are mentioned in keys or figures. Somehow, it?s often found obsolete to indicate whether the drawing shows a lateral/ventral/dorsal view, and even just naming parts is rather exception than rule: epandrium, hypandrium/hypopygium, surstylus, gonostylus, paramere, aedeagus, aedeagal lobe, ... Many of theses things seem to be taken for granted. Identification guides go into great detail when it comes to define a priori the structural sides of the thorax, wing morphology, etc. but I have never seen this for Syrphid genitalia, nor how genitalia are modified segments and how to ?read? them. Often it?s called ?genitalia? whereas it may refer only to a specific part of the genital apparatus. That?s like showing a picture of a first tarsus and labelling it as ?leg?. Still, that?s pretty ok if you know that the distal part of the leg is called the tarsus, but what to do if you don?t know where to find a paramere if nobody told you in the first place where it?s located, especially when it?s hidden by some other structure? Interpreting such label-less 2D figures out of their structural context when confronted with a 3D specimen under a stereomiscroscope and linking this to a key can be really frustrating. I had hoped to find a pdf of CL Metcalf?s work ?The genitalia of male Syrphidae?. If anyone has it, I would be grateful to receive a digital copy. Other suggestions are welcome as well. Cheers joachim * * * * * * * * * * * * * D I S C L A I M E R * * * * * * * * * * * * * Dit bericht en eventuele bijlagen geven enkel de visie van de schrijver weer en binden het INBO onder geen enkel beding, zolang dit bericht niet bevestigd is door een geldig ondertekend document. The views expressed in this message and any annex are purely those of the writer and may not be regarded as stating an official position of INBO, as long as the message is not confirmed by a duly signed document. This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system: you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. -------------------------------------------------------------------------------- _______________________________________________ Syrphidae mailing list Syrphidae at lists.nottingham.ac.uk http://lists.nottingham.ac.uk/mailman/listinfo/syrphidae This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system: you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: Genitalia.pdf Type: application/pdf Size: 396112 bytes Desc: not available URL: From Joachim.MERGEAY at INBO.BE Tue Apr 10 11:15:54 2012 From: Joachim.MERGEAY at INBO.BE (MERGEAY, Joachim) Date: Tue, 10 Apr 2012 10:15:54 +0000 Subject: [Syrphidae] hoverfly picture pollination crops Message-ID: Hi Everyone, I want to thank everyone who responded publicly or privately to my previous request on genitalia nomenclature and information. Currently, I am looking for a photograph of a hoverfly to illustrate their role in pollination of crops. I am writing a short scientific advice paper for crop land management, especially in relation to sowing wildflower strips for insect conservation. These measures are usually taken to promote bees, and in particular honey bees, but the ecosystem service of other pollinators is often not appreciated (though there is a growing body of literature to demonstrate this). Hence I would like to include a picture of a Syrphid full of pollen on a flower of some crop. It could be any species (preferrably European) on any kind of crops like fruit-bearing trees, berries, canola, sunflower, tomato, pumpkins and allies ... If anyone has such a picture, I would be thankful to include it in the report with due credits. Overall, I want to emphasize that we don't just need to sow flowers for honeybees, but mostly need to provide permanent structural habitat for a variety of pollinating and pest-controlling insects. Thanks for any responses Joachim Mergeay Research Institute for Nature and Forest Gaverstraat 4, 9500 Geraardsbergen, Belgium Joachim.mergeay at inbo.be cell +32 499 942 942 Office +32 54 436157 * * * * * * * * * * * * * D I S C L A I M E R * * * * * * * * * * * * * Dit bericht en eventuele bijlagen geven enkel de visie van de schrijver weer en binden het INBO onder geen enkel beding, zolang dit bericht niet bevestigd is door een geldig ondertekend document. The views expressed in this message and any annex are purely those of the writer and may not be regarded as stating an official position of INBO, as long as the message is not confirmed by a duly signed document. -------------- next part -------------- An HTML attachment was scrubbed... URL: From Francis.Gilbert at nottingham.ac.uk Tue Apr 10 22:20:05 2012 From: Francis.Gilbert at nottingham.ac.uk (Francis Gilbert) Date: Tue, 10 Apr 2012 22:20:05 +0100 Subject: [Syrphidae] Re: genitalia nomenclature etc In-Reply-To: References: Message-ID: <37D2AE0AED301E4ABCCD948B16BD78AA3D07E85E21@EXCHANGE1.ad.nottingham.ac.uk> here's a glossary I prepared for my book (if it ever gets published!) Francis Dr Francis Gilbert Associate Professor of Ecology, School of Biology 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 MERGEAY, Joachim Sent: 09 April 2012 00:32 To: Hoverfly discussion list (syrphidae at lists.nottingham.ac.uk) Subject: [Syrphidae] genitalia nomenclature etc Hi there, Does anyone have a good standard work on male genitalia in Syrphidae? I'm always a bit frustrated with the lack of clarity when genital structures are mentioned in keys or figures. Somehow, it's often found obsolete to indicate whether the drawing shows a lateral/ventral/dorsal view, and even just naming parts is rather exception than rule: epandrium, hypandrium/hypopygium, surstylus, gonostylus, paramere, aedeagus, aedeagal lobe, ... Many of theses things seem to be taken for granted. Identification guides go into great detail when it comes to define a priori the structural sides of the thorax, wing morphology, etc. but I have never seen this for Syrphid genitalia, nor how genitalia are modified segments and how to "read" them. Often it's called "genitalia" whereas it may refer only to a specific part of the genital apparatus. That's like showing a picture of a first tarsus and labelling it as "leg". Still, that's pretty ok if you know that the distal part of the leg is called the tarsus, but what to do if you don't know where to find a paramere if nobody told you in the first place where it's located, especially when it's hidden by some other structure? Interpreting such label-less 2D figures out of their structural context when confronted with a 3D specimen under a stereomiscroscope and linking this to a key can be really frustrating. I had hoped to find a pdf of CL Metcalf's work "The genitalia of male Syrphidae". If anyone has it, I would be grateful to receive a digital copy. Other suggestions are welcome as well. Cheers joachim * * * * * * * * * * * * * D I S C L A I M E R * * * * * * * * * * * * * Dit bericht en eventuele bijlagen geven enkel de visie van de schrijver weer en binden het INBO onder geen enkel beding, zolang dit bericht niet bevestigd is door een geldig ondertekend document. The views expressed in this message and any annex are purely those of the writer and may not be regarded as stating an official position of INBO, as long as the message is not confirmed by a duly signed document. -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: Book1.xlsx Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet Size: 12046 bytes Desc: Book1.xlsx URL: From Joachim.MERGEAY at INBO.BE Tue Apr 10 22:55:31 2012 From: Joachim.MERGEAY at INBO.BE (MERGEAY, Joachim) Date: Tue, 10 Apr 2012 21:55:31 +0000 Subject: [Syrphidae] Re: genitalia nomenclature etc In-Reply-To: <37D2AE0AED301E4ABCCD948B16BD78AA3D07E85E21@EXCHANGE1.ad.nottingham.ac.uk> References: <37D2AE0AED301E4ABCCD948B16BD78AA3D07E85E21@EXCHANGE1.ad.nottingham.ac.uk> Message-ID: Thanks, that does clarify a number of things already at first sight! The Metcalf book I also got from Ximo Mengual, but thanks nevertheless. Cheers joachim Van: syrphidae-bounces at lists.nottingham.ac.uk [mailto:syrphidae-bounces at lists.nottingham.ac.uk] Namens Francis Gilbert Verzonden: dinsdag 10 april 2012 23:20 Aan: Hoverfly discussion list Onderwerp: [Syrphidae] Re: genitalia nomenclature etc here's a glossary I prepared for my book (if it ever gets published!) Francis Dr Francis Gilbert Associate Professor of Ecology, School of Biology 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 MERGEAY, Joachim Sent: 09 April 2012 00:32 To: Hoverfly discussion list (syrphidae at lists.nottingham.ac.uk) Subject: [Syrphidae] genitalia nomenclature etc Hi there, Does anyone have a good standard work on male genitalia in Syrphidae? I'm always a bit frustrated with the lack of clarity when genital structures are mentioned in keys or figures. Somehow, it's often found obsolete to indicate whether the drawing shows a lateral/ventral/dorsal view, and even just naming parts is rather exception than rule: epandrium, hypandrium/hypopygium, surstylus, gonostylus, paramere, aedeagus, aedeagal lobe, ... Many of theses things seem to be taken for granted. Identification guides go into great detail when it comes to define a priori the structural sides of the thorax, wing morphology, etc. but I have never seen this for Syrphid genitalia, nor how genitalia are modified segments and how to "read" them. Often it's called "genitalia" whereas it may refer only to a specific part of the genital apparatus. That's like showing a picture of a first tarsus and labelling it as "leg". Still, that's pretty ok if you know that the distal part of the leg is called the tarsus, but what to do if you don't know where to find a paramere if nobody told you in the first place where it's located, especially when it's hidden by some other structure? Interpreting such label-less 2D figures out of their structural context when confronted with a 3D specimen under a stereomiscroscope and linking this to a key can be really frustrating. I had hoped to find a pdf of CL Metcalf's work "The genitalia of male Syrphidae". If anyone has it, I would be grateful to receive a digital copy. Other suggestions are welcome as well. Cheers joachim * * * * * * * * * * * * * D I S C L A I M E R * * * * * * * * * * * * * Dit bericht en eventuele bijlagen geven enkel de visie van de schrijver weer en binden het INBO onder geen enkel beding, zolang dit bericht niet bevestigd is door een geldig ondertekend document. The views expressed in this message and any annex are purely those of the writer and may not be regarded as stating an official position of INBO, as long as the message is not confirmed by a duly signed document. This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system: you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. * * * * * * * * * * * * * D I S C L A I M E R * * * * * * * * * * * * * Dit bericht en eventuele bijlagen geven enkel de visie van de schrijver weer en binden het INBO onder geen enkel beding, zolang dit bericht niet bevestigd is door een geldig ondertekend document. The views expressed in this message and any annex are purely those of the writer and may not be regarded as stating an official position of INBO, as long as the message is not confirmed by a duly signed document. -------------- next part -------------- An HTML attachment was scrubbed... URL: From Francis.Gilbert at nottingham.ac.uk Sat Apr 14 09:22:07 2012 From: Francis.Gilbert at nottingham.ac.uk (Francis Gilbert) Date: Sat, 14 Apr 2012 09:22:07 +0100 Subject: [Syrphidae] file size Message-ID: <37D2AE0AED301E4ABCCD948B16BD78AA3D07FBC095@EXCHANGE1.ad.nottingham.ac.uk> dear all I have increased the size of the attachments that can be sent on the list to 5 MB. Thanks Francis Dr Francis Gilbert Associate Professor of Ecology, School of Biology 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 This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system: you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. -------------- next part -------------- An HTML attachment was scrubbed... URL: