First Annual Big Chico Creek Ecological Reserve Butterfly Survey           8 Jun 2006             

Personnel: Don Miller
Survey carried out 8:30-17:00   
Weather clear, warm (20° min/30° max)  
10 ½ man-hours  
Total distance covered 8 km
Key: r = rare (1-3 specimens seen); o = occasional (4-10); c = common (>10)

Musty Buck Ridge
Papilio eurymedon             r
Papilio zelicaon                  r
Callophrys augustinus       r
Satyrium auretorum            r
Satyrium saepium                c
Euphydryas chalcedona    c

Big Chico Creek, near road crossing
Battus philenor                    c
Papilio rutulus                    o
Lycaena gorgon                  r
Lycaena arota                      r
Satyrium californica           c
Satyrium saepium                c
Satyrium sylvinus                o
Celastrina ladon                 c
Icaricia acmon                     o
Chlosyne palla                    c
Coenonympha tullia           c
Euphydryas chalcedona    c
Limenitis lorquini                o
Erynnis propertius              o
Ochlodes agricola              c

Ridge above The Loop: opening with Bush Lupine, Wyethia present
Battus philenor                    c
Habrodais grunus               r
Satyrium californica           c
Icaricia icarioides              o
Adelpha bredowii               o
Ochlodes agricola              o

Asclepias patch by The Loop
Satyrium californica           c
Icaricia acmon                     o
Chlosyne palla                    o
Euphydryas chalcedona    c
Nymphalis californica        r
Ochlodes agricola              c

Total species observed: 24

List of BCCER Butterflies