Monarch - Danaus plexippus

Male is bright orange and has black scent patch in middle of hind wing above.
Female is dull orange or brown with more thickly scaled black veins.
Nectar & Host Plant: Milkweeds and milkweed vines.

Other Nectar Plants: Butterfly Bush, Sages, Dianthus, and old shrub rose varieties.

Garden Tips: Tropical milkweed, white vine, climbing milkweed.
Females lay eggs on milkweed. Monarchs are poisonous due to the toxic chemicals they accumulate from the milkweed.
Please note: There is a Soldier Monarch Butterfly that is not included since it is unlikely to come to Texas.

Monarch on Blue Sage

The stages include - 1. Monarch Egg 2. Chrysalis 3. Caterpillar 4. Butterfly.
Above Butterfly photo are provided courtesy of S. Peregrine Johnson.
Below are photos of a Monarch Egg, Monarch Chrysalis, and a Queen Chrysalis
Source: Allen's Caterpillars in the Field and Garden.

Monarch Egg

Monarch Chrysalis

Monarch Queen Chrysalis

Below: Monarch Caterpillar and Queen Monarch Caterpillar.
Source: Allen's Caterpillars in the Field and Garden.

Monarch Caterpillar

Queen Monarch Caterpillar