We could go with insect life stages for the code names. Egg, larva,
pupa, adult.
Although it makes sense as it is *Wildfly*, better still use the scientific names of
insect classification[1]. And if you *ever* run out of code names from that, move on to
dinosaur classification and so on ;)
[1]
http://www.insectidentification.org/insect-taxonomic-orders.asp
regards,
Magesh