https://www.monarchwatch.org/biology/

Larvae have three distinct body parts: head, thorax and abdomen. ... The antennae help to guide the weak-eyed caterpillar and the maxillary palps, which ... rear ends of Monarch larvae are not antennae, but they do function as sense organs.

https://monarchlab.org/biology-and-research/biology-and-natural-history/breeding-life-cycle/life-cycle/

The eggs have tiny funnel-shaped openings at one end, called micropyles. ... It is during this stage that monarchs do all of their growing; in fact this is just about ... The antennae help to guide the weak-eyed caterpillar as it moves around, and ...

https://www.thoughtco.com/fascinating-facts-about-caterpillars-1968169

May 6, 2019 ... Print. Monarch caterpillar eating milkweed ... Caterpillars Have 12 Eyes ... Caterpillars Have 6 Legs, Just as Adult Butterflies or Moths Do.

http://www.mission-monarch.org/en/monarchs-biology/life-cycle/

Although it has twelve ocelli (simple eyes capable of perceiving variations in daylight), it doesn't ... While these are not antenna, they do have a sensory function. ... Monarch caterpillars feed exclusively on milkweed – making them specialists.

https://www.enchantedlearning.com/subjects/butterfly/anatomy/Caterpillar.shtml

Caterpillars have a segmented body consisting of a head, a thorax (with three pairs of jointed ... The Monarch caterpillar is brightly colored and is poisonous.

https://www.enchantedlearning.com/subjects/butterfly/allabout/Senses.shtml

Caterpillars can sense touch, taste, smell, sound, and light. SIGHT ... Butterflies and moths (like many other adult insects) have compound eyes and simple eyes.

http://www.cec.org/islandora/es/item/2366-field-guide-monarch-caterpillars-danaus-plexippus-en.pdf

We assume that readers have some familiarity with monarch ... The head has a pair of short antennae, mouthparts, and six pairs of very simple eyes, called ocelli . ... distinguish larval instars is by head capsule and tentacle size, since these do  ...

https://www.monarch-butterfly.com/monarch-butterflies-facts.html

The caterpillar may eat its shed skin in four of its five molts in the stages referred to ... The monarch butterfly does not have lungs; breathing takes place through tiny ... These butterflies use their eyes to locate flowers, they use their antennas to  ...

https://www.joyfulbutterfly.com/monarch-butterflies/

The process of watching a caterpillar become a butterfly is truly awesome and it really is easy to do! Monarchs have a large range and can be found all through ...

http://www.martydavisphotos.com/monarch-butterflies/larva

Monarch larva or larvae (plural) is also called a caterpillar (or cat for short). ... when ready they will shed its skin (exoskeleton), then turn and eat it, just as it does it's eggshell. ... Monarch caterpillars have twelve simple eyes and can't see much.