Coleoptera, dorsal lateral - Eucinetus haemorrhoidalis

sorry, MJ -- my bad, picked the wrong one

… v belov, 25 January, 2011 - 12:08pm

How is E. haemorrhoidalis distinguished from E. terminalis? I have been using Blatchley's key and E. haemorrhoidalis is not included.

… Jeff Gruber, 25 January, 2011 - 12:31pm

good question

Perhaps they have been synonomized? If so, when was this done? We have both species in the guide right now.

American Beetles (1) lists E. terminalis but no E. haemorrhoidalis. Majka (2) records E. haemorrhoidalis but doesn't mention its relationship to E. terminalis.

… Brad Barnd, 9 May, 2012 - 2:46am

I'm also wondering about this...

They seem very similar in appearance from the photos in the guide and co-occur in many states/provinces. Any update as far as literature for separating these species? I'm looking at beetles from western Canada and both species are listed in the 2013 Checklist of Beetles of Canada and Alaska...

I just BLASTed the BOLD nucleotide sequences for haemorrhoidalis and it does seem to partition from terminalis, which supports that these are distinct species. However, the plot thickens, as the only BOLD sequence of "haemorrhoidalis" from the nearctic (Alaska) should actually be terminalis based on the sequences and is not aligned with the other haemorrhoidalis sequences from the palearctic...

… Charlene Wood, 2 December, 2016 - 1:48pm

Hopefully we'll figure it out at some point

I suppose Dan Young or Chris Majka would be who to ask.

… Brad Barnd, 7 February, 2017 - 12:24pm

Very cool indeed

It's another FAMILY I've never heard of.
Sometimes when I post, in my head, I've got a pretty good guess what something is. And sometime, in my head, it's just a big dark nothing at all.
Thanks.

… MJ Hatfield, 25 January, 2011 - 12:18pm

Moved

Moved from Beetles.

… v belov, 25 January, 2011 - 12:06pm