#1 Emerged 15 May
2015 - Photo at 6:30 P.M.
#1 Second Instar
18 May 2015- 2 mm
long
#1 On 22 May 2015 - 3.5 mm long
#1 Molted 26 May 2015
5.5 mm long
exuvia located
#1 Molted 26 May 2015
5.5 mm long
exuvia located
#1 Fourth Instar 12 mm long
#1 Fourth Instar 12 mm long
#18 Prepupa on 9 June 2015
Emerged from ovum 17 May 2015
#18 Pupa Formed 11 June 2015
#18 Pupa Formed 11 June 2015
#18 Pupa - 9:50 P.M. 23 June 2015
Male Butterfly Emerged 10:50 A.M. 24 June 2015
#18 Pupa - 9:50 P.M. 23 June 2015
Male Butterfly Emerged 10:50 A.M. 24 June 2015
Feeding Pattern of Young Caterpillars
(Larva is on the Underside of the Leaf)
PHOTO DETAILS - ŠNicky Davis
LOCATION: Beaver Canyon, Beaver County, Utah, Located by Les Davis, Nicky Davis.
DATE: August 2014
GPS: N- 38.16.9, W- 112.28.44
ELEVATION: 7350 feet
Located two females and they oviposited 171 ova. They over wintered as ova.
Ova were taken out of hibernation on May 13, 2015. They began emerging May 15, 2015. They are being fed Ribes leptanthum which is the plant used by the female to oviposit.
PHOTOS
First Instar 15 May 2015 - 1 mm long
Second Instar 18 May 2015 - 2 mm long
On 22 May 2015 - 3 mm long
Third Instar on 26 May 2015 - 5.5 mm long (exuvia found on leaf)
Third Instar #2 on 26 May 2015 showing slightly lighter color of cervical shield ( a horny plate used to throw off the head plate when molting)
Fourth Instar #2 on May 31, 2015 - 12 mm, on May 1st, and it was 16 mm on May 6, 2015
LIFE HISTORY:
Ovum: Overwinter as ova - Larvae began to emerge 2 days after being taken out of hibernation.
Larva:
First Instar - 3-5 days
Second Instar - 8 days
Third Instar - 4 days
Fourth Instar - 7 days but variable
Prepupa: 2 days
Pupa: 13 days
Adult:
Broods: one
Hibernation: Overwinter as ova
Host:
Trumpet Gooseberry- Ribes leptanthum
