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Post by africaone on Apr 11, 2015 6:01:03 GMT -8
does someone bred Nigidius or known about any breeding experience of this genus ?
I failed to find any trace on internet and litterature ...
thanks, Thierry
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Post by Deleted on Apr 12, 2015 13:42:03 GMT -8
hello thierry. kingdom of beetles taiwan has bred them. He will answer all your questions
regards
peter
his email...
screw-wholesale.myweb.hinet.net
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Post by africaone on Apr 14, 2015 10:44:14 GMT -8
thanks Peter,
but i scanned the site without finding any references to breeding Nigidius.
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Post by bichos on Apr 14, 2015 13:25:42 GMT -8
Are they not at least partially carnivorous?
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Post by Deleted on Apr 14, 2015 14:01:50 GMT -8
Hello thierry. I will ask him for you if he has any info. I am in contact with him
Regards
Peter
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Post by africaone on Apr 15, 2015 3:03:22 GMT -8
Are they not at least partially carnivorous? In Africa adults are found on or under bark (including fresh uncolored specimen) that tends to proove there are at least partially xylophagous. It will be very interesting to complete it and to know if there are carnivorous (does exist other Lucanid carnivorous ?) strange that so many Lucanid are bred (or for which the life cycle is known) and that none experience on Nigidius is available. for Peter for your help |
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Post by bichos on Apr 15, 2015 3:27:18 GMT -8
Ok, Rhyssonotus nebulosus larvae pray heavily upon Lamprima larvae, I know this from personal experience.
Figulus which are closer to Nigidius are said to eat other larvae.
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Post by africaone on Apr 15, 2015 3:50:00 GMT -8
Ok, Rhyssonotus nebulosus larvae pray heavily upon Lamprima larvae, I know this from personal experience. Figulus which are closer to Nigidius are said to eat other larvae. is this a behaviour in vitro or in nature ? stress for larvas bred together is sometimes such they become cannibals (also to eliminate concurrence and to acquire rich food to grow better) cannibalism occurs in many groups of insect (including lepido) when bred in vitro |
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Post by bichos on Apr 15, 2015 4:28:40 GMT -8
In vitro yes  but I had suspected this to be happening in nature also. |
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Post by bichos on Apr 15, 2015 4:50:20 GMT -8
I have found logs full of the larger species R. nebulosus and only a few Lamprima in the harder timber seemingly avoiding or escaping the Rn's.
There is some info on Figulus binodulosus on the web about social behavior which could be relevant to Nigidius perhaps...
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Post by africaone on Apr 15, 2015 5:12:06 GMT -8
sometimes a good idea emerges ! to make a search in Japanese ...
the light comes ... There is some pages in Japanese about the subject.
Bichos you are right, they seem to speak about carnivorous behaviour but I didn't undersant everything as I used Google traduction that didn't give a clear text. but the general lines are visible.
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Post by bichos on Apr 15, 2015 5:14:36 GMT -8
sometimes a good idea emerges ! to make a search in Japanese ... the light comes ... There is some pages in Japanese about the subject. Bichos you are right, they speak about carnivorous behaviour, I didn't undersant everything as I used Google traduction that didn't give a clear text. but the general lines are visible. Lost in translation :\ www.eje.cz/pdfs/eje/2009/03/09.pdf |
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Post by nomihoudai on Apr 15, 2015 5:57:46 GMT -8
...but I didn't undersant everything as I used Google traduction that didn't give a clear text. Just for your interest, this is actually how Japanese people speak and think. They have a completely different philosophy of things and therefore a different grammar too. |
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Post by lucanidae25 on Apr 15, 2015 6:12:54 GMT -8
It's not just Nigidius, Rhyssonotus and Figulus are carnivorous, female adult Dorcus is cannibal and carnivorous.
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Post by Deleted on Apr 15, 2015 13:37:25 GMT -8
hello thierry
i have been in contact with the guys at kingdom of beetles. they are very busy doing displays and talks in schools at the moment, but he said it is very easy to breed Nigidius. All he said was that the females lay their eggs in decaying wood, so i presume he means decaying logs ect. and not substrate?
regards
peter
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but I had suspected this to be happening in nature also. 
