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Many thanks for information. Here Chandler comparison of lunata and dziedzickii (=obscura in text part).

http://www.online..._gnats.pdf

Chandler description on page 90: Lunata has the apical spine markedly curved and 7-8 lateral spines. Dziedzickii has the apical spine nearly straight and only 4-5 lateral spines.
This has nearly straight apical spine so yes dziedzickii.
This has 6 lateral spines in photo => dziedzickii can thus also has 6 lateral spines.

BR Esko