Save the Lange's Metalmark Butterfly!

A wonderful neighbor of the Antioch area

Volunteers Needed to Count Lange’s Metalmark Butterflies!

Hello everyone!

It is time once again for the Lange’s Metalmark Butterfly counts at Antioch Dunes National Wildlife Refuge! We will be counting butterflies for several weeks in August and September and we can sure use your help.

We will be surveying two days per week in August and September. Our counts will start at 10am and go until 4pm, the times in which our butterflies are the most active.

The dates for the butterfly counts will all be on Wednesdays and Thursdays with one exception on August 14 (Tuesday). The weekly count dates will be:


1, 2, 8, 9, 14, 16, 22, 23, 29, 30


5, 6, 12, 13, 19, 20, 26, 27

We will be conducting counts until ZERO butterflies are seen, whenever that maybe in September. You’ll be briefed on what to do and what to look for on each day of the count, so first-timers are welcome!

As you might guess, Antioch in summer is challenging. Temperatures can be very warm to hot, often with a nice breeze, and the terrain can be uneven and sometimes steep. There are many plants to step over, under and around, as well as plant parts that might want to go home with you.

However, if you are of the hardy variety, the payoff is fabulous and worth it! Lange’s metalmark butterflies are found nowhere else in the world, except at the Antioch Dunes National Wildlife Refuge!! Don’t miss this opportunity to see this gorgeous endangered species!!!

Volunteers will need to wear sturdy shoes/boots, long pants like jeans (star thistle smarts!), and bring sunscreen, sunglasses, hat, lunch and WATER BOTTLE!!!

We can provide short gaitors to help keep weeds out of your shoes, but if you have your own long pair, you might want to bring them. They really help keep the weeds out of shoes, socks and laces.

If you are interested in volunteering for the Aug-Sept. butterfly counts, please contact Susan Euing (by email at or by phone at 510-521-9716. If you leave a message, please leave your name, phone number and email address, and Susan will contact you as soon as possible to confirm.

Please feel free to pass this info on to any adults (18+) that you think might be interested.

Thank you for your interest in the Antioch Dunes National Wildlife Refuge!
Your Refuge!

Susan Euing
Antioch Dunes NWR


Antioch Dunes NWR (Contra Costa County) – There are two separate units, Stamm and Sardis, each about 1 mile apart from each other.

Wednesdays (and Tuesday 8/14): Surveys will be held at the Stamm Unit at 501 Fulton Shipyard Rd. in Antioch, 94509.

From 680 heading north (near Walnut Creek/Concord), take Hwy. 242 E, which will lead you onto Hwy 4 E towards Pittsburg/Antioch.

From 680 heading south (from Benicia/Martinez), take Hwy 4 E towards Pittsburg/Antioch.

At Antioch, take A Street/Lone Tree Way exit and go L under freeway. Proceed about 1 mile on A Street and then go R onto Wilbur Avenue. At Fulton Shipyard Rd. (first light) go L. Cross RR tracks and then see large brown refuge sign (2nd driveway on R). Park along refuge fence line.

Thursdays: Surveys will be held at the Sardis Unit at 1551 Wilbur Avenue in Antioch, 94509.

Follow above directions including the R turn onto Wilbur Avenue. Proceed on Wilbur about 1 mile, cross over a concrete bridge and look for two large PG&E towers on L. The entrance gate will be on the L between the two towers. See large brown refuge sign next to gate. Park at bottom of driveway.


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This entry was posted on August 12, 2012 by .
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