Trouble getting hornworms to emerge from chrysalis

Brook

New Member
Hey! Had a question. I have several pupae and im having trouble getting them to emerge. they are still alive (wriggle when touched). I have them on a timer at about 16 hours on in a 24 hour cycle but its been months (at least 2). I did not have them on this cycle when they were larvae. At the larvae stage they were probably getting less then 12 hours a day. Does the larvae stage matter? if not, why are they not emerging from there chrysalis? finally if they are in diapause how long till they emerge?
 
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