De or het myologie?

The correct Dutch article is:

de myologie

Rule Words ending in -logie: always de. See the rule
Meaning (Dutch) (biologie) kennis van de muggen en vliegen

How to use myologie

the myologiede myologie
this myologiedeze myologie
that myologiedie myologie
our myologieonze myologie
your myologiejouw myologie
every myologieelke myologie
which myologie?welke myologie?
a big myologie / the big myologieeen grote myologie, de grote myologie

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).