Unfortunately that's a no from me too
. Fantastic photograph though.
As with epigyne details, palpal details are drawn from a precise position, and a minute fraction of a degree out of that position drastically alters the detail you see in comparison to the i.d. drawing.
For
Tetragnatha you need to see the tip of the palpal organ in a view that's basically from between the palps looking outward to the inside of the palp (usually right palp as you look down on the spiders carapace - dorsal side). A view of the sternum can narrow the options in this species also.
(That may not be too clear a description?)
No.9 Spider