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It seems to me that with macro it is a particular tricky thing.
Some people shot macro both for art and also as biologist and also love pure ID shots and seeing various species or only one or the other. It doesn't seem to me that there is a right and wrong about it.
It depends what your understanding is of the circumstances of the shot.
Most of the images posted here are a matter of going to where the subject is found, in its natural environment. There, you have to cope with nervous subjects, obstructing foliage and variable light (flash is an option but has its own limitations), not to mention air movement and weather in general.
In the studio, live insects may be used but, in some forums, dead ones are more the rule e.g.
Dead subjects may be imaged as anything from some long dead, partly-shrivelled black fly, with its legs at all angles, half way up a pin and filling a small part of the frame (not in the above forum), to high magnification, perfectly-lit focus-stacked portraits.
While there are rights and wrongs there is a continuum between the two and much will depend on personal aesthetic taste and, where it exists, interest in the subject. In passing, I don't like to see images of e.g. butterflies with significant damage, such as missing wing tips. Of course, if the head of a male mantis has just been bitten off by its mate...