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 difference between Androctonus bicolor and aeneas morph?

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Obeah
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PostSubject: difference between Androctonus bicolor and aeneas morph?   11/14/2011, 9:12 am

Hi. Does anyone can differentiate these two magnificent creatures? Appreciate if you can provide a clear photo of the two specimens.
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DolbyR
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PostSubject: Re: difference between Androctonus bicolor and aeneas morph?   11/14/2011, 1:41 pm

A.b. aeneas are a bit smaller than "normal" bicolor and they're a shinier black.
There's a pic on Ythier's site http://eycb.pagesperso-orange.fr/scorpions/FAndroctonusSpp.htm

There used to be really good pics here, but the user apparently no longer comes here and the links are broken.

I have 2x aeneas but they're still small so it won't help you much.
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Streettrash
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PostSubject: Re: difference between Androctonus bicolor and aeneas morph?   11/14/2011, 5:55 pm

It is difficult to differentiate them with out having a specimen of each side by side to compare.
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Obeah
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PostSubject: Re: difference between Androctonus bicolor and aeneas morph?   11/14/2011, 10:43 pm

i have two 7i a. bicolor here.

left sp: dark grey to black, like the a mauritanicus
right sp: dark brown to black and shinier.
they're both at the same size.

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Streettrash
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PostSubject: Re: difference between Androctonus bicolor and aeneas morph?   11/14/2011, 11:59 pm

I copied this post from the androctonus discussion thread. Our old user posted translated and posted this for us.

pluto wrote:
I translated this, from the french book in the best way i
could. Basically read the middle part where the picture of the tail is.
This can be an accurate method of diagnosing if you have an aeneas
aeneas or not.

Androctonus Aeneas C. L. Koch 1839




This
morph acknowledged as species by C.L. Koch (Die Arachniden 1839,
Nürnberg, Bd.6 p 3-6, fig 432, tab 181), originating from North-Africa
placed into the category of Buthus or the Prionurus genre, is often
misunderstood for A. Bicolor H. and E. (even going as far as saying it
is a variant of A. Crassicauda).




These
uncertainties are due to a lack of knowledge of the exact
characteristics of the species from one side, and the huge amounts of
different views written on these morphologies by the descriptors.


Revised diagnose:

Relatively
large species, which can attain 8cm total length. Dark coloration,
uniform on the body (from black to olive to chocolate brown). Sometimes
the extremities of the legs are slightly lighter coloured. To determine
this species, its is needed to add these details to the diagnose:


Cephalothorax
about as wide as it is long and well granulated, with well pronounced
carinea. Tergites are heavily granulated and tricarinate from the very
first ring, very pronounced carinea.


Sternite 7 lighter granulation, sometimes with almost smooth carinea.

Thick tail, 3rd tailring wider than the 1st one.

1st ring wider than it is long with 10 complete distinguishable carinea

2nd
ring is wider than it is long with 8 distinguishable carinea. The
intermediate carinea are variably well pronounced, but noticeable from
the side.


3rd ring wider than it is long, with sloping sides with less pronounced carinea and some posteriorly granulation

4th ring with sloping sides. Longer than it is wide with 8 pronounced, complete carinea.

5th
ring 1.1 to 1.2 times longer than it is wide, with one axial and two
lateral carinea bellyside which have more developed teeth and two
lateral-dorsal carinea which run over all rings and turned outwards
meeting each other at the extremities again.


Dorsal sides of the rings are concave and depending, granulated on 2nd, 3rd and even 4th ring

Well developed anal framework (lol)


Poison sac below Aeneas 157 / Liouvillei 158. Setae not present on Liouvillei, with the exception of the outer tailsegment.



Poison blatter narrow and shorter than the telson

Chaetotaxie (hairdevelopment on insects) of the tail and poison sac almost non existent

Sexual comb female 20-27 bristles/ Sexual comb males 27-32 bristles. Internal fulcrum with only one microchete

Arms of the mouth granulated, without macrochetes.

..

Origins

This
subspecies is usually found in East Marocco to Tunesia, more accurate,
on the High Plateaus. They only appear close to the Tassili Mountains.




Systematic recognition


A
Aeneas diversifies itself from A. Bicolor H. and E. by its dorsal
granulation from the first tailsegment and in particular by the lack of
developed intermediary carinea on the 3rd tailsegment.




A
Aeneas is a morphologic, plastic species which makes for many varieties
and hard to classify.. given the morphologic differences given above.


Aeneas
Liouvillei is another Aeneas morph and is easily distinguishable during
adult stage. Where Aeneas aeneas tailsegments are heavily granulated,
Liouvillei tailsegments are practically smooth.


Liouvillei can attain great posture where some females reach 9cm or more. Granulation present until the 3rd
segment (characteristique of Aeneas Aeneas). The dents on the side
rings are also relatively well granulated like Aeneas aeneas. The
pinchers are quite large and bulk.

The photos included were of Aeneas morph, and unfortunately the photo's he mentions in the post have broken links now so they have been deleted.
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