Family Saturniidae, Subfamily: Saturniinae
Hyalophora cecropia
Cocoon Construction and Pupa
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Photos of caterpillar constructing a cocoon
Photos of various cecropia cocoons
#1 purged liquid and began forming cocoon 6 August
I carefully opened cocoon to track how many days
until it pupated. Pupa was formed 16 August 2013
The large antennae indicate the pupa is male
#1 purged liquid and began forming cocoon 6 August
Pupa was formed 16 August 2013
Male and Female pupa comparison - May 2014
Note male on left has much wider antennae than female on right
Notice the female is larger than the male
| Photo Details - ©Nicky Davis In 2013 I received ova from Kevin Collison of Osceola, Polk County, Wisconsin (elevation 825 feet). He reared some cecropia in 2012 and when the females emerged in 2013 he mated the females with wild caught males. Females oviposited 26 June 2013 First Instars - Began Emerging 7 July 2013 and continued to 9 July 2013. 100 percent hatch rate. First instars were 5 mm long.. Second Instars began molting 7:14 P.M. on 11 July 2013 . They were 10 mm long right after molting. Molted to Third Instar 16 July 2013 Molted to Fourth Instar 22 July 2013 #1 Molted to Fifth Instar 27 July 2013 #1 purged excess liquid on 6 August 2013 and began spinning cocoon. #1 Pupa formed 16 August 2013 which was ten days from the day caterpillar purged liquid and began spinning the cocoon. These were placed in the crisper of a fridge at about 41 F. on 29 September 2013. Some were taken out of hibernation on April 7, 2014 and some on May 1, 2014. Photos of Male and female pupa for comparison. Host Plant
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