Santa Ynez Canyon Fourth of July 1999 Butterfly Count

Count Center: Intersection of Old Topanga Canyon Rd x Topanga Canyon Blvd

Count date: 10 July 1999 Count hours: 1000 to 1700 hrs

Count weather: clear and sunny, temperatures in the mid 20's C

Count participants: n=10 Count groups: one group of 5-10 individuals

Count Compiler: Walter H. Sakai, Santa Monica College, 1900 Pico Blvd, Santa Monica, CA 90405.

Butterfly

Species

SYC

SYP

Total

Western Tiger Swallowtail

Papilio rutulus

07

02

09

Pale Swallowtail

Papilio eurymedon

03

03

Cabbage White

Pieris rapae

21

26

47

California Hairstreak

Satyrium califomica

02

03

05

Gold-hunter's Hairstreak

Satyrium auretorum

02

02

Brown Elfin

Callophrys augustinus

02

02

Marine Blue

Leptotes marina

06

07

13

Spring Azure

Celastrina ladon

04

01

05

Square-spotted Blue

Euphilotes battoides

01

02

03

Acmon Blue

Plebejus acmon

14

09

23

Variable Checkerspot

Euphydryas chalcedona

01

01

Mourning Cloak

Nymphalis antiopa

01

01

American Lady

Vanessa virginiensis

01

01

Painted Lady

Vanessa cardui

01

01

Common Buckeye

Junonia coenia

05

36

41

Lorquin's Admiral

Limenitis lorquini

09

05

14

California Sister

Adelpha bredowii

03

04

07

Common Ringlet

Coenonympha tullia

10

10

20

Monarch

Danaus plexippus


01

01

Mournful Duskywing

Erynnis tristis

03

03

Northern White-skipper

Heliopetes ericetorum


02

02

Fiery Skipper

Hylephila phyleus

04

01

05

Woodland Skipper

Ochlodes sylvanoides

04

04

Umber Skipper

Poanes melane

05

01

06

Totals


109

110

219

Ctenuchid Moth

Ctenucha brunnea

15



SYC = Santa Ynez Canyon from the Topanga SP entrance to the "waterfall."

SYP = Santa Ynez Park downstream from the entrance of Topanga SP

Total number of species is comparable to other years, but total number of individuals was a 10 year low. 'Insect season' was 4-6 weeks late for Southern California by most accounts, attributed (of course) to La Niña.