imp
New Member
Posts: 2 
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Post by imp on Jul 5, 2019 5:53:42 GMT -8
![]()  Am I correct that this is Graphoderus Bilineatus ? I have found it in my water barrel. After reading about it it seems like very endangered bug. There is some food inside the barrel, but he seems to be struggling with picking up certain dead animals/leeches lying on the bottom, looks like he is trying to bring them up, but he always fail during the process. I don't know what am I supposed to do with it? Should I just keep him in the barrel? Will he survive just there? Can he even move out of the barrel? I read it can fly, but rarely do. Should i put him in the pond? Or just move it out of the barrel and he will be able to find the next water place alone by flying? |
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Post by bandrow on Jul 5, 2019 6:43:21 GMT -8
Greetings,
The first thing to know is - where are you located? The genus Graphoderus occurs in North America as well as the Palaearctic, but G. bilineatus is only in the latter. Once a locality is known, someone can then give you an accurate identification.
In general, I would suggest removing the specimen from the barrel and placing it into your pond. If if doesn't like it there, it will move to somewhere it prefers.
Cheers!
Bandrow
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imp
New Member
Posts: 2
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Post by imp on Jul 5, 2019 6:58:17 GMT -8
I am located in Slovenia, Middle-Eastern Europe. I have put tree branch in my barrel so maybe he can find his own way out of the barrel, it is almost impossible to catch him as he always dive to the bottom. Anyway it also look familiar with Acilius sulcatus, but that species is mostly common in Western Europe, it's not even on list of bugs living in our country, while Graph. Bilineatus is, but extremely rare. Also from pics I saw on internet it Acilius has much more rough back, while the one I found is very smooth.
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Post by Paul K on Jul 5, 2019 7:02:27 GMT -8
I totally agree, I would remove the beetle from the barrel.
Surface water tension might be to strong for insect to take off and there is no place in the barrel to crawl out of water.
Pond will be definitely a better place for it.
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Post by Paul K on Jul 5, 2019 7:04:11 GMT -8
I just see your reply, yes tree branches should help
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