Monarchs and Milkweed of Los Angeles

To participate in this project, simply take photos of any Monarch butterflies (Danaus plexippus) or milkweed plants (Genus Asclepias) that you see in Greater Los Angeles, and post to this project.

Observations may also be submitted by emailing nature@nhm.org.

Monarch observations may include monarchs in any one of their four life cycle stages: egg, larva (caterpillar), pupa (chrysalis), adult (butterfly). http://www.monarchwatch.org/biology/cycle1.htm

Greater Los Angeles is defined as: Los Angeles County, Orange County, Riverside County, San Bernardino County, and Ventura County.

Posted on March 04, 2014 06:30 PM by rsmart rsmart | 3 comments | Leave a comment

Recent observations View all

Photos / Sounds

Square

What

Monarch Butterfly Danaus plexippus

Observer

nattykid123

Date

April 23, 2014 07:21 PM PDT

Place

(Somewhere...)

Description

Found this butterfly on the front lawn in evening

Photos / Sounds

10138794045_7f4ea996d3_s

What

monarch butterfly Danaus plexippus

Observer

bbunny

Date

October 6, 2013 08:50 AM PDT

rsmart Project curator ID

Danaus plexippus

Photos / Sounds

6102262710_9c29b45337_s

What

Narrow-leaf milkweed Asclepias fascicularis

Observer

bbunny

Date

August 28, 2011 04:31 PM PDT

rsmart Project curator ID

Asclepias fascicularis

Photos / Sounds

6023034865_1aa8521388_s

What

narrowleaf milkweed Asclepias fascicularis

Observer

bbunny

Date

August 6, 2011 01:38 PM PDT

rsmart Project curator ID

Asclepias fascicularis

Photos / Sounds

5942361958_911614a1a7_s

What

monarch butterfly Danaus plexippus

Observer

bbunny

Date

September 10, 2003 06:35 AM PDT

rsmart Project curator ID

Danaus plexippus

Photos / Sounds

6006483104_b18e2f7ae8_s

What

monarch butterfly Danaus plexippus

Observer

bbunny

Date

August 3, 2011 01:10 PM PDT

Place

(Somewhere...)

rsmart Project curator ID

Danaus plexippus

Photos / Sounds

5941801651_c40bc00225_s

What

narrowleaf milkweed Asclepias fascicularis

Observer

bbunny

Date

September 10, 2003 06:35 AM PDT

rsmart Project curator ID

Asclepias fascicularis

Photos / Sounds

What

California milkweed Asclepias californica

Observer

bbunny

Date

June 11, 2011 02:59 PM PDT

Description

P1010089

rsmart Project curator ID

Asclepias californica

Photos / Sounds

Square

What

Monarch Butterfly Danaus plexippus

Observer

kweiner

Date

July 20, 2014 10:16 AM PDT

Description

Hanging on a jade plant about 12 feet from a Narrow Leaf Milkweed

rsmart Project curator ID

Danaus plexippus

Photos / Sounds

Square

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

May 27, 2014 12:24 PM PDT

rsmart Project curator ID

Danaus plexippus

Photos / Sounds

Square

What

Milkweeds Genus Asclepias

Observer

ehumildad

Date

September 7, 2013 09:13 AM PDT

rsmart Project curator ID

Genus Asclepias

Photos / Sounds

What

bloodflower milkweed Asclepias curassavica

Observer

cspnl

Date

November 6, 2013 01:09 PM PST

Description

with monarch butterfly caterpillar

rsmart Project curator ID

Asclepias curassavica

Photos / Sounds

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

July 9, 2014 08:46 AM PDT

rsmart Project curator ID

Danaus plexippus

Photos / Sounds

What

Narrowleaf milkweed Asclepias fascicularis

Observer

cspnl

Date

July 9, 2014 08:46 AM PDT

rsmart Project curator ID

Asclepias fascicularis

Photos / Sounds

What

rush milkweed Asclepias subulata

Observer

icosahedron

Date

May 3, 2014

rsmart Project curator ID

Asclepias subulata

Photos / Sounds

14371147265_ca139334f2_s

What

Monarch Butterfly Danaus plexippus

Observer

bbunny

Date

June 7, 2014 10:13 AM PDT

rsmart Project curator ID

Danaus plexippus

Photos / Sounds

Square

What

Monarch Butterfly Danaus plexippus

Observer

debbiemiyamoto

Date

June 29, 2014 01:49 PM PDT

Photos / Sounds

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

December 23, 2013 10:27 AM PST

Description

New butterfly, with wings still soft and crumpled

rsmart Project curator ID

Danaus plexippus

Photos / Sounds

Square

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

December 23, 2013 09:57 AM PST

Description

last morning as a pupae

Photos / Sounds

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

December 21, 2013 09:11 AM PST

Description

Lines showing through, still green, and butterfly weed cuttings beginning to grow roots

Photos / Sounds

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

December 22, 2013 12:27 PM PST

Description

green has almost completely faded and lines in wings are showing through more clearly

Photos / Sounds

Square

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

December 19, 2013 08:22 AM PST

Description

Showing some of the lines in the wings

Photos / Sounds

Square

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

December 12, 2013 08:12 AM PST

Description

several days later, looks nearly the same. (Same caterpillar in observations since November). It finally emerged in December.

Photos / Sounds

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

November 25, 2013 07:52 AM PST

Description

Not a caterpillar anymore

Photos / Sounds

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

November 25, 2013 01:45 PM PST

Description

Chrysalis/pupae changed shape since the morning and almost looks upside down from original shape, sun shining through from another view.

Photos / Sounds

Square

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

November 24, 2013 03:21 PM PST

Description

caterpillar still hanging

Photos / Sounds

Square

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

November 23, 2013 11:01 AM PST

Description

caterpillar stuck himself on tomato plant stem to hang by his rear end and become chrysalis (Photo was taken with camera rotated, not sure how iNat will display) Caterpillar is J shaped, with head at bottom of the J.

Photos / Sounds

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

November 19, 2013 03:59 PM PST

Description

caterpillar on butterfly weed cuttings (got cuttings because he already ate most of the leaves on the potted plant and I didn't want him to starve).

Photos / Sounds

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

November 22, 2013 08:37 AM PST

Description

Monarch caterpillar moved from butterfly weed, to dead branch of tomato plant nearby

Photos / Sounds

Square

What

Monarch Butterfly Danaus plexippus

Observer

cspnl

Date

November 17, 2013 07:43 AM PST

Description

monarch caterpillar on butterfly weed cutting

More observations

About

The Natural History Museum of Los Angeles County (NHM) has begun studying our local urban environment to better understand the biodiversity that lives in the Greater Los Angeles Area. Part of this study includes knowing where local populations of monarch butterflies and milkweed plants are found.

Why are we including milkweed plants in our monarch study? Milkweed is a host plant for ...more ↓

10814-mini rsmart created this project on March 04, 2014
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