[Syrphidae] Requesting literature on Mesembrius pilipes (Doleschall, 1857) & Mesembrius quadrivittatus (Wiedemann, 1819)

[bristi roy]

Dear all,

I am seeking literature pertaining to *Mesembrius pilipes* (Doleschall,
1857) and *Mesembrius quadrivittatus* (Wiedemann, 1819), particularly
publications that include detailed descriptions, redescriptions,
identification keys, or taxonomic notes.

If available, I would be especially grateful for references containing
photographs, illustrations, or figures of diagnostic morphological
characters that may aid in species identification and comparison.

Any relevant papers, reports, unpublished resources, or suggestions
regarding where such material may be found would be sincerely appreciated.

Thank you very much for your time and assistance.







Bristi Roy

Zoological Survey of India, Kolkata - 700053
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