Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Photo#937633
Agrilus - Agrilus geminatus - male

Agrilus - Agrilus geminatus - Male
Allison Park, Allegheny County, Pennsylvania, USA
June 1, 2014
Size: 4.2 mm

Images of this individual: tag all
Agrilus - Agrilus geminatus - male Agrilus - Agrilus geminatus - male

Moved
Moved from Agrilus.

A member of the Agrilus otiosus species group, male specimens are not that difficult to identify to species as long as you have the genitalia exposed and Ted MacRae's key. Females of this group are almost impossible to key to species unless they are reared and are associated with a male. Thanks to Brad Barnd for sending the specimen for confirmation.

what would it take to convince you...
...to orientate dorsal habitus shots head-to-12 o'clock? or to the north, if you will...

 
Buck and a quarter.
You should have said something ages ago or maybe you did and I missed it.

 
i did say it... a few times
and back then you posted a couple of submissions head up, too -- but then switched back to your old ways, and i started to flip some of your pics myself, but now it's just too many stuff pouring in on BG, i simply cannot afford it, time-wise

 
I'll do my best
But the artist in me is the dominant force, you science guys dance to a different tune:) What makes me compelled to post a lot of things in landscape orientation is the simple fact that computer monitors are best suited for viewing in that orientation. I imagine the norm of having specimen photos vertical comes from the form factor of printed publications where a vertical orientation was advantageous?

 
exactly...
standard orientation is critical for comparison; consider the case of passports & other photo IDs... or mugshot albums put together by law enforcement )))))))))
our brain is trained to process images of bilaterally symmetrical objects a certain way. look at this page; to me, it's a perfect layout for comparing similar objects; now imagine the images all flipped 90° --i would have a really hard time working with the plate and matching stuff!
now, imagine for a sec these are not beetles but human faces lying on their side --our brains are capable to adjust, but at what cost? and how long will it take? also consider the troubles of mentally flipping images as one sees beetles posted now head-to-the noon, now to 3 o'clock, now to 9, and now to 6 [which is, sadly, not uncommon]
it all of course depends on one's individual faculties, and my own ability to process and rotate images mentally may be below average, but i can't do much about inadequacies of my brain's flexibility
lateral images, on the other hand, are better positioned head to the left/west/9 o'clock and compared 'stacked':



but, again, i admit it's just the old-school me, while others may well be wired quite differently.
orientating insect pictures head up is a deeply rooted tradition in nat. hist. literature going back at least a thousand years and pretty much alive today.
sure, one can amass any number of examples to the contrary [notably,(1)(2)(3)...], but i bet i could find a whole lot more to prove my point.
as someone who spends most of his time identifying bugs, i suppose i could potentially adapt to any orientation, topsy-turvy or whatever, but only as long as such orientation is consistent across the board; it is dealing with pics oriented every which way that makes my life miserable

 
For laterals
something seems to make me favor facing right, I'll try to change that. Sometimes I do end up with photos that happen to be skewed and close to the edge of the frame when I'm chasing a fast moving bug with the camera and have to take the shot when I can get it so some photos end up such that I can't rotate them without cropping part of the subject. They will still end up skewed, but I would think a skewed shot is better than none.

 
laterals are rarely critical...
...and i care much less about where the bug faces, so don't sweat it, keep doing it the way you prefer