This is the 6665th most frequent Russian word.
monochamus
"Monochamus" is not a Russian word; it refers to a genus of longhorn beetles in biology.
The word 'Monochamus' is used here as a scientific name to identify a group of beetles.
Monochamus это род жуков-древоточцев.
Monochamus is a genus of longhorn beetles.
'Monochamus' here specifies the artistic subject depicted in the painting.
Я видел картину с Monochamus на выставке.
I saw a painting with Monochamus at the exhibition.
The word 'Monochamus' here refers to the biological habitat of the beetle.