Comments: Sometimes called âAsh-leaved Mapleâ because of its non-typical leaves, , Box Elder is technically considered a maple tree (Acer genus). Its lumber is softer, weaker, and lighter than almost all other species of maple, and Box Elderâs overall strength, as well as itâs strength-to-weight ratio are poor. Related Species:
Under room temperature (about 20 Â°C), the black blow fly Phormia regina can change from egg to pupa in 150â266 hours (six to 11 days). When the third larval stage is complete, it will leave the corpse and burrow into the ground to pupate, emerging as an adult seven to 14 days later.
The average lifespan of a housefly is 20-30 days. http://www.newton.dep.anl.gov/natbltn/400-499/nb453.htm. This page (in German) says 16-24 days, and that the females live longer than the males. http://de.wikipedia.org/wiki/Stubenfliege. According to this page, from 7 days to 2 months. Quote: The house fly has a complete metamorphosis with distinct egg, larva or maggot, pupal and adult stages. The house fly overwinters in either the larval or pupal stage under manure piles or in other protected locations.