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Split, Croatia, S Europe - 12th September 2017.

queen id september south europe mediterranean

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6 replies to this topic

#1 Offline skocko76 - Posted September 13 2017 - 6:50 AM

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1. Location of collection: Pine tree forested recreational zone in immediate vicinity of sea

2. Date of collection: 12th September 2017.
3. Habitat of collection: Pine forest on sea coast
4. Length : cca 10mm
5. Coloration, hue, pattern and texture: Brown with yellowish legs and antennae.
6. Distinguishing characteristics : too advanced for me still :(
7. Anything else distinctive: not to my eye.
8. Nest description : n/a.
9 . Post the clearest pictures possible: the test tube is plastic and not very clear. sorry.

 

The poor girl is obviously wounded. Hopefully it's nothing serious.

Is it lasius?

 

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#2 Offline T.C. - Posted September 13 2017 - 7:52 AM

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Looks like Lasius neoniger to me. And that wound will more than likely be fatal. The gaster is a pretty important part. :(



#3 Offline VoidElecent - Posted September 13 2017 - 8:00 AM

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I don't think L. neoniger is existent in Croatia; the "neo" part of "neoniger" refers to its prominence in the "new" world (Western hemisphere; the Americas), which Croatia is not a member of.

 

It is Lasius for sure, either in the niger or, possibly, flavus group. 

 

The wound does look pretty bad; but I've seen queens survive some pretty severe gastric trauma.


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#4 Offline skocko76 - Posted September 13 2017 - 9:19 AM

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Thanks all.

Is there any way to distinguish L. niger and L. flavus before first workers enclose and worker color is seen?

Also, will she lay eggs now, or wait for after hibernation? If she survives, that is.



#5 Offline VoidElecent - Posted September 13 2017 - 9:28 AM

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Thanks all.

Is there any way to distinguish L. niger and L. flavus before first workers enclose and worker color is seen?

Also, will she lay eggs now, or wait for after hibernation? If she survives, that is.

 

I know all of my late summer L. neoniger hibernate before laying; I suspect it's the same in Europe.

 

There are ways to distinguish niger group queens from flavus group, but from my understanding you would need intense magnification. You can make a guess going off the coloration; yellow Lasius tend to have slightly bicolored queens, with darker mesosomas then the rest of their bodies, whereas niger group queens tend to be slightly darker overall.


Edited by VoidElecent, September 13 2017 - 2:46 PM.

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#6 Online GeorgeK - Posted September 13 2017 - 11:26 AM

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Hey Skocko, if you found her now, it is more likely that it is L. Flavus than L. Niger.  simply because l. flavuses have their nuptial flights later, and i also hope she survives that injury



#7 Offline lucas3431 - Posted September 13 2017 - 11:43 AM

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10mm, that's a big girl.







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