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 Sexing Pandinus imperators

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leon
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PostSubject: Sexing Pandinus imperators   5/27/2012, 4:35 am

I'm confused, for the female, does it matter if the operculum is heart shaped but inverted? As I saw in the link http://www.pandinusimperator.nl/EN/story_EN.htm , it is heart shaped but it is not inverted as the one I see here. Could somebody please confirm. Question
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PostSubject: Re: Sexing Pandinus imperators   5/27/2012, 7:23 am

That female in the link you've provided does not have an inverted heart-shaped operculum.
The picture itself is inverted.

For females, the pointed tip of their operculum is always pointing towards her metasoma (tail).
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leon
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PostSubject: Re: Sexing Pandinus imperators   5/27/2012, 9:29 am

I know the picture is inverted but I was comparing the pic that was posted here that had the operculum look different or was inverted. I can't find the picture here anymore but as I remember it looked different from the one that is on the link as it looked inverted or the tip of the operculum was not pointing towards the metasoma.

Anyway, maybe I didn't look at it clearly. Oh well, nevermind I am quite satisfied with that you said:

For females, the pointed tip of their operculum is always pointing towards her metasoma (tail).[/quote]

thanks again... Smile
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Scorpion19981000
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PostSubject: Re: Sexing Pandinus imperators   5/27/2012, 11:13 am

Also, I should point out, that the shape of the operculum can vary somewhat between individuals, but females always have a pointed tip that points towards the metasoma. For example, I have seen female emps that have oval shaped operculum, but they still had the two small points that pointed towards the metasoma. (Although the points were not plainly obvious.)

Also, I don't know if you have seen this: [HOW TO] Sexing Pandinus spp and Hetermetrus spp

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PostSubject: Re: Sexing Pandinus imperators   5/27/2012, 11:09 pm

@Scorpion19981000
Good observation! Yes, it varies slightly from specimen to specimen, just like the "Oval-shape" of males' operculum.
The constant thing will be the direction of the pointed tip which belongs to the "heart-shaped" operculum of females.

leon wrote:
I was comparing the pic that was posted here that had the operculum look different or was inverted. I can't find the picture here anymore but as I remember it looked different from the one that is on the link as it looked inverted or the tip of the operculum was not pointing towards the metasoma

Hmn.. maybe that is not a female after all.
I'm interested to view it if you happen to find it again.
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