Pheosia Rimosa
Notodontidae - Prominent Moths
Immatures
Home Butterflies and Moths Adult Details
22 July 2015
First Instar just after emerging from ovum - 25 July 2015
First Instar - 26 July 2015 - note eating pattern
First Instar - 26 July 2015
First Instar - 27 July 2015
Second Instar - 28 July 2015
Second Instar - 28 July 2015
Third Instar - 10 mm - 31 July2015
Third Instar - 10 mm - 31 July 2015
Fourth Instar - molted 5 August 2015 - 37 mm
Fourth Instar - close up of tail-end - 37 mm
#3 Fifth Instar - 50 mm long - 11 August 2015
#3 Fifth Instar Head, Thoracic or True Legs
#3 Fifth Instar Prolegs
Pupae
#1 and 2 larvae wandered off the plant
on 10 August 2015 and refused to feed
They were placed in containers with a
bit of sand and lizard litter in the bottom
where they pupated 12 August 2015
22-25 mm long
Female - Has mark on fourth segment from wing case
Male - Has no mark on the fourth segment from the wing case
| Photos -
©Nicky Davis 22 July 2015 - I received ova from John Richards and friend Curt who caught the female using a mercury vapor light on 18 July 2015 near Bear River Station, Summit County Utah. Emerged from ova 25 July 2015. They refused willow but started to feed on aspen leaves. Second Instar 28 July 2015 Molted to Fourth Instar 5 August 2015, 37 mm on 6 August Pupae #1 - Larvae off plant 10 August 2015 and pupated 12 August 2015 Number of days at each stage Ova - 3 days First instars - 3 - 4 days - Second instars - 5 days - Third instars - 4 days - Fourth instars - 5 days - Fifth instars - 5 days - 50 mm Larvae moved off plant and refused to eat then burrowed into a sand/lizard litter mix to pupate which takes 2-3 days. Pupae 22-23 mm long - over winter as pupae Host Plants reported Willow Aspen Poplar  |