Black Swallowtail, Larva - Papilio polyxenes  asterius
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Characteristics & Utah Range Map

  To see LARVA and OVA  photos, scroll down.  For other photos,  click on  your choice of

FEMALE       MALE      PUPA

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OVA
ova - P. polyxenes asterias


LARVA

Young Instars
May 3, 2006 - P. polyxenes asterias larva 05-02-06 Larva of P. polyxenes asterias at 9:54 A.M. April 28, 2006

4th Instar
May 9, 2006 larva



Displaying foul smelling tentacles (osmeteria) as a defensive gesture

displaying "horns" for a defensive gesture?


5th instar

Larva molting
larva molting

molting

Molting
molting

Kicking free of old skin
kicking free of old skin

Pushing head case off
pushing head case off the stem

molt  complete
molt nearly complete


Photo Details - ©Nicky Davis

Maryland

Pupa (Pupa development for a different individual than the larva)
Dates and times shown on photo
Pupa - Canon 20D, 100 mm lens, 1/250, F18, ISO 200, Flash  +2/3

Larva
Fifth Instar
1. 05-12-06 Showing osmeterium (a retractable, fleshy organ on the head) that gives off a strong smelling odor when it is everted.
2.  May 12, 2006
3.  thru  8.  Caterpillar molting from 4th  to 5th instar.
 
Fourth Instar
9.  05-03-06 - Canon 20D, 100 mm lens, 1/250, F16, ISO 200, Flash  +2/3

Third  Instar
10. left - 05-03-06

Second  Instar
10. center  -  05-02-06 - Canon 20D, 100 mm lens, 1/250, F16, ISO 200, Flash  +2

First  Instar
10. right  -  04-28-06,  9:54 A.M. Canon 20D, 100 mm lens, 1/250, F16, ISO 200, Flash  +1 1/3

Ova
Canon 20D - 100mm lens, 1/250, F16, ISO 100, Flash -1/3



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