Pareuchaetes pseudoinsulata is a moth of the subfamily Arctiinae native to Venezuela and Trinidad and Tobago.

It is an introduced species in Sri Lanka, as well as in Malaysia, Indonesia, the Philippines and Guam.

The mid tibia are clothed with very long hair.

[3] P. pseudoinsulata is an obligate parasite of the weed Chromolaena odorata.

Since C. odorata is an invasive species in many tropical regions worldwide, P. pseudoinsulata has been used as a form of biological control.