Thread subject: Diptera.info :: Odiniidae, on Fomes (Belgium)
Posted by Dieter S on 26-04-2011 08:57
#1
Hi,
I found this fly on
Fomes fomentarius (21/04/2011). I keyed it as
Odinia boletina, but since I have been told that these keys are not very reliable I'am asking your opinions.
Edited by Dieter S on 26-04-2011 09:01
Posted by phil withers on 26-04-2011 17:46
#2
There is a presutural dorsocentral, which makes this
Neoalticomerus: as this seems to be a female, I cannot get you much further. :(
Posted by Dieter S on 26-04-2011 18:07
#3
Thanks Phil! :)
Posted by Jan Willem on 27-04-2011 06:47
#4
@Phil: Is there any other
Neoalticomerus species known from Europe besides
N. formosus?
Posted by Paul Beuk on 27-04-2011 07:20
#5
http://www.dipter...ost_100608:
phil withers wrote:
I would like to see this specimen: I have determined that there are 2 species of Neoalticomerus which have been mixed - it would be very useful to ad this to the range of localities.
Would be nice to know the two species and how to separate them. ;)
Posted by Dieter S on 27-04-2011 22:24
#6
Good point! There's only one species mentioned in Fauna Europae. :)
Posted by phil withers on 28-04-2011 14:51
#7
Laszlo Papp and I have a paper in preparation on the (now) 3 species of
Neoalticomerus in the Palaearctic. One of these (which will be called
mongolicus) is only known from Mongolia (surprise). The other is to be called
fabricei. it is very distinctively different from
formosus on the male genitalia, but other, subtler differences exist, although I am not certain if these work for all females: anyway, here goes -
formosus has no intra-alar striping on the mesonotum and the white part of the prefrons (the facial plate) is wider than the dark part; the frontal triangle extends beyond the middle. The reverse of all these is true for
fabricei. From what can be seen this specimen should be a
formosus. By the way, these names are not to be used until they are published.
Posted by Dieter S on 28-04-2011 15:20
#8
Thanks Phil!
That clear some things up... Looking forward for the publication. :D
Posted by Dieter S on 29-04-2011 22:03
#9
I think I caught a male this time, it's a lot smaller than the female...
Posted by phil withers on 29-04-2011 23:19
#10
Looks right - you need to tease out the genitalia to be sure !
Posted by pjoris on 03-05-2011 12:59
#11
These are also from Belgium, they seem similar. Same species ? Joris
Posted by phil withers on 03-05-2011 22:25
#12
Not totally sure about the dorsocentrals, but may well be...What were the circumstances of these photos ?
Posted by pjoris on 04-05-2011 07:23
#13
On the underside of Fomes in an old beech forest (so the pictures are rotated 180°). I have collected a few, so I can make extra pictures or send them to you. There's only one species of Odiniidae in the Belgian catalogue, so it would be interesting to know the exact name. Joris
Edited by pjoris on 04-05-2011 07:26
Posted by Dieter S on 05-05-2011 10:50
#14
phil withers wrote:
Looks right - you need to tease out the genitalia to be sure !
I'll give it a try! Some tips so I don't crush some important characteristics? It will be the first time, preparing genitals...
Posted by phil withers on 05-05-2011 22:11
#15
Cut off the last abdominal segment including the genital capsule. Soak it for a while (about an hour, say) in cold KOH. It should then be pliable and you can open out the capsule to reveal the structures. Wash in water and photograph - then wait for me to be conscious and I should be able to tell all...
Posted by Dieter S on 06-05-2011 09:29
#16
Oké, I'll try to find some KOH first. Can take a while...
Posted by Dieter S on 10-05-2011 22:48
#17
How much further do I have to go?
Posted by Dieter S on 13-05-2011 08:08
#18
I think it soaked long enough now...
Posted by Dieter S on 08-06-2013 22:39
#19
Phil, is the paper already published?