https://en.wikipedia.org/wiki/Calliphoridae This wikipedia page on Calliphoridae flies says this: "Members of Calliphoridae have branched Rs 2 veins, frontal sutures are present, and calypters are well developed." I am having trouble locating this vein on the fly after looking at wing venation diagrams. Please could someone show me where this is by highlighting it on the wing? How important is this for identifying Calliphoridae flies?
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$\begingroup$ Welcome to Biology.SE. Please take the tour and carefully read through the help center to learn more about the site, including what is on-topic and what is not, and How to Ask a good question. In particular, you might get a better response if you edit in diagrams and/or images — as it is even if someone has the expertise to answer this I'm not sure how you expect them to show you ... $\endgroup$– tyersomeAug 13, 2022 at 16:09
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