Eggs hatch in 4-10 days. Larvae eat for 2-3 months in favorable conditions or up to 30 months. Metamorphosis in a cocoon can take between 8-10 days (sometimes up to 50 days). Adults usually mate and lay their eggs within 4-6 days of hatching.

What season do moths hatch?

Eggs hatch within 10 days during warm summer months, but take longer in winter — usually up to a month. Most house moths only have one generation per year, and some moth eggs can take longer to hatch. The eggs of the common clothes moth can take up to 18 months to hatch in cold temperatures.

How long does it take for moth to emerge from chrysalis?

They will stay and transform over time into a butterfly or a moth. Most butterflies and moths stay inside of their chrysalis or cocoon for between five and 21 days.