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Migratory Pollinators Program

Table 10.
Monarch observations in Sonora, Mexico and Arizona.

Date Time # Observed State Nearest Town Latitude Longitude Vegetation Type

10/4/99

Late after-noon

1

Sonora

Soyopa

28°34'15"N

109°33'09"W

Foothills thornscrub

10/4/99

1400

1

Sonora

Yecora

28°22'15"N

108°57'30"W

Pine-oak forest

3/15/00

1830

1

Sonora

Soyopa

28°34'15"N

109°33'09"W

Foothills thornscrub

8/15/01

1930

1

Sonora

Nogales

31°18'39"N

110°46'49"W

Desert grassland

8/15/01

2000

1

Sonora

Santa Cruz

31°19'05"N

110°43'35"W

Oak woodland

8/15/01

2000

1

Sonora

Santa Cruz

31°19'57"N

110°39'20"W

Grassland

8/16/01

1300

1

Sonora

Santa Cruz

31°18'01"N

110°35'42"W

Grassland

8/17/01

830

1

Sonora

Arizpe

30°20'39"N

110°09'57"W

Foothills thornscrub

10/01

All day

Continuous stream flying south

Sonora

Trincheras

30°23'45"N

111°32'13"W

Sonoran desertscrub

8/14/02

1100

1

Arizona

Pima County

32°22'23"N

110°41'40"W

Pine-oak forest

10/24/02

730/930

6 flying southeast

Sonora

Pinacate Biosphere Reserve

31°35'N

113°50'W

Sonoran desertscrub

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