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Ova
First Day First Instar
Molted to Second Instar 6 September 2011
Molted to Third Instar 10 September 2011
Molted to Fourth Instar 15 September 2011. After feeding a few days, the larva walked off the plant and stopped eating
Molted again on 22 September 2011 and still refused to eat
Molted again on 22 September 2011 and still refused to eat . They all went into diapause.
| PHOTO DETAILS - ©Nicky Davis -
Jacque Wolfe LOCATION: 22 August 2011 Jacque Wolfe ex. 2 females west of main trail, south side of Sonora Pass, Tuolumne County, California on host plant Solidago multiradiata. GPS: Unknown ELEVATION: 10,000 feet PHOTOS: 1. ova on solidago multiradiata - oviposited 24 August 2011. Also oviposited on Eucephalus engelmanii on 25 August 2011 2. First Instar on engelmanii - 2 September 2011 3. Second Instar 6 September 2011 4. Third Instar 10 September 2011 5. Fourth Instar 15 September 2011 - This particular larva ate for a few days then stopped. 6. & 7. Molted again on 22 September 2011, then went into diapause. Akk these eventually went into diapause at fourth instar. They were misted daily until October then placed in a container with tiny holes punched into every surface to allow circulation and humidity. the container was placed in a fridge at 31 degrees or just until a little ice forms on the edges of a 8x11 container half full of water. The goal is to keep them from drying out but not so wet that they are immersed in droplets of water. They will be taken out of hibernation as soon as the host plant, Eucephalus engelmannii is available. LIFE HISTORY: Ovum: 7- 8 Days Larva: From first instar to hibernation at fourth instar = 20 days. They will be taken out of hibera Pupa: Adult: Broods: Hibernation: These overwinter as larvae Host Plant - click below for photos Solidago multiradiata Eucephalus engelmannii Back to Top |