Britannica Sources used in this answer

How long does it take for neuropteran eggs to hatch?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Neuropteran eggs typically hatch within 5 to 14 days. However, this duration does not apply if the egg is in an overwintering stage. In some species, females may retain fertilized eggs within their bodies until environmental conditions are suitable for development.1