Sunday at Lake Artemesia

Lake Artemesia in College Park, Prince Georges Co., is shaping up to be a fine butterfly habitat.  As many of you know, it was formed (out of a series of commercial goldfish ponds) from the excavation of soil for the nearby Greenbelt Metro Station, and is easily accessible by car and bike trail.  The Lake too (actually two lakes) are bounded by handicapped accessible, paved pathways as well.

Currently in bloom is a great stand of hairy vetch, and smaller patches of common vetch.  Dogbane is just coming into bloom, and blackberry is past peak.  The lake margins usually hold a fair amount of pickerel weed, just beginning to bloom, which hosts some Broad-winged Skippers later in the season.

I stopped at Artemesia late on Sunday (around 5:30 pm), too late for good butterflying but good birding with a few butterflies thrown in.  Leps did include FOY Monarch and its mimic, Viceroy.  The afternoon list:

-==| Field Trip |==-

Date: 05/29/2011
Number of Species: 12
Number of Individuals: 70
Lake Artemesia, College Park
MD , USA   20740
Notes: Very late in the day, 1700 hours to 1830 hours, which may account for the scarcity of skippers.  Sunny, warm (mid-80s) with a very light breeze.  Nectar sources:  vetch (hairy and cow), daisy fleabane, clover, honeysuckle.  Pickerel week just coming into bloom, blackberry well past peak.

Zebra Swallowtail       Eurytides marcellus     Adult   1
Eastern Tiger Swallowtail       Papilio glaucus Adult   C
Cabbage White   Pieris rapae    Adult   C
Orange Sulphur  Colias eurytheme        Adult   C       Fresh flight, exceptionally dark orange
Cloudless Sulphur       Phoebis sennae  Adult   2
‘Summer’ Spring Azure   Celastrina ladon neglecta       Adult   C
Common Buckeye  Junonia coenia  Adult   1
Viceroy Limenitis archippus     Adult   1
Little Wood-Satyr       Megisto cymela (includes viola) Adult   2
Monarch Danaus plexippus        Adult   1       FOY
Silver-spotted Skipper  Epargyreus clarus       Adult   1
Peck’s Skipper  Polites peckius Adult   1       very fresh male

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