Took me more than it should to make this selection but the gallery with my favorites of 2018 is now online together with a insect-only 2019 calendar:
Also worth noting from this year but not included in the selection was the mention in Nikon Small Word Competition and in the Wiki Loves Earth 2018:

Image of distinction on Nikon Small World – fang portion of a tarantula chelicera (exuvia of a Brachypelma)
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Hover fly (Syrphidae) feeding on a flower at Serra do Papagaio state park, Aiuruoca.