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INSECTS OF OREGON
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DESCRIPTION
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Monarch
Identification: Make sure that when you
see a Monarch butterfly to remember that they are poisonous. When
they are caterpillars they feed on many poisonous milkweeds. It can
grow up to 4" in span and can be identified by its brilliant colors, orange,
yellow, white, and black.
Habitat: Meadows and grassy fields.
Range: Throughout North America except the
far North.
Life Cycle: Many generations per year.
Adult Monarch emerges from cocoon in 12 days. |
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Spring Azure
Identification: Soft silvery blue wings
carry the Spring Azure to its destination. This beautiful butterfly
although frequently mistaken for a moth, is the first to appear in the
spring after the cold winter months. The wing span is generally 1
1/4".
Habitat: You will most likely see it in
open woods, roadsides, and gardens.
Range: All over North America.
Life Cycle: In the East this butterfly can
generally have several generations a year, and in the West it decreases
to on or two generations per year. |
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European Cabbage Butterfly
Identification: As described in the name,
the European Cabbage Butterfly originally came from Europe. It was
originally spotted in Quebec in 1910 and since then has become one of the
most abundant butterflies that we see today. Its wings have a span of about
2" with a creamy, to almost off-white color.
Habitat: You will most likely see this butterfly
anywhere, even in the city, scooping out for any tasty flowers in gardens.
Range: All over North America except for
the far North.
Life Cycle: This species generally can have
up to five generations. |
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Western Tiger Swallowtail Butterfly
Identification: This beautiful butterfly
is very well known for its size and graceful flight. Wingspan is
about 31/8-51/2". Yet before this great beauty emerges out of its
cocoon for the first flight, the caterpillar is a beautiful shade of green
with orange and black spots around its eyes.
Habitat: The Swallowtail likes to live around
forests and especially gardens.
Range: Along the West coast including Alaska
and Canada.
Life Cycle: There are one to three generations
per year. |
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Field Crickets
Identification: Crickets are famous for
there beautiful song throughout a beautiful, warm summer night. They
have a black or brown colored body, with a length of no more than one inch,
and long legs to play their evening songs.
Habitat: Grassy fields and meadows.
Range: Seen all over North America
Life Cycle: In the North crickets tend to
have one generation per year, however in the South they tend to have two
or three per year. |
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Blow Fly
Identification: This fly is as common as
a House fly. However you will find the Blow fly wherever there is
decaying matter. It is no bigger than 5/8" in length and has a metallic
blue, green, or glossy black body with red eyes.
Habitat: Roadsides, city dumps, wooded areas,
and pastures.
Range: All over North America.
Life Cycle: There are many generations of
this specie per year. |
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Damselflies
Identification: These beautiful creatures
mostly come out at night after a warm summers night. They tend to
glide over the surface of water stretching their long transparent wings.
They come in various colors including blue and green, with a long and slender
body, stretching out to about 2".
Habitat: Most likely to be seen in marshes,
shallow streams, or ponds.
Range: Throughout North America.
Life Cycle: Tend to have very many generations
in one |
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Crane Flies
Identification: Almost look like mosquitoes
stretching out to be 21/2" in length! Thorax has a V-shaped grove
on its back.
Habitat: Wetland areas, streams, and fields.
Range: All over North America.
Life Cycle: May have one to several generations
per year. |
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Aphids
Identification: Are very hard to spot due
to their size. Most aphids are approximately 1/16-1/3" in length.
They come in various colors, mostly common is a yellowish green tone.
Habitat: Mostly found on all types of lush
vegetation.
Range: All over North America.
Life Cycle: Depending on conditions.
Eggs live through the winter. |
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Tiger Beetle
Identification: Usually you will find that a full
grown, adult Tiger Beetle will grow no more than 3/4" to 1" in length.
Habitat: Most commonly found in gardens or open
wooded areas on sandy soil.
Range: All over North America.
Life Cycle: Up to two years as Larvae before they
submerge into adulthood in the fall. Then will continue to live for
an additional two years in adulthood. |
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Small Eastern Milkweed Bug
Identification: This bug, classified as
a beetle, is mostly found on milkweed, hence the name. Because of
the toxic content of the milkweed this small insect becomes toxic as well.
It will grow no more than 1/2" in length, has a flat back and a long beak.
Habitat: Fields and meadows where there
is a large abundance of milkweed plant.
Range: All throughout North America.
Life Cycle: One or more generations per
year. |
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Eyed Click Beetles
Identification: This magnificent specie
has the ability to snap its body back with a sudden snap allowing it to
spin into the air or turn themselves over if land on back. Length
is 13/4" with gray body and two black spots on their thorax.
Habitat: Forests, mostly along logs or dead
trees.
Range: All over the U.S.
Life Cycle: One generation per year. |
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Stink Bug
Identification: The Stink Bug, also known
as Shield Bugs, when disturbed produces a strong and very unpleasant scent
creating the predator to leave it alone. Has a flat green or brown
colored body with the length of 3/4".
Habitat: Gardens, forests, meadows, or crops.
Range: All over the United States and Canada.
Life Cycle: One to three generations per
year. |
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Harlequin Cabbage Bug
Identification: Also known as Fire Bug or
Calico Bug. Length is 3/8" with a shiny black shield shape body with
yellow and orange spots.
Habitat: Gardens, fields, meadows.
Range: In the U.S. and southern Canada.
Life Cycle: One to four generations per
year. |
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June Beetles
Identification: These are lovely insects,
however cause trouble to farmers. When they are larvae they live
and eat potatoes, ruining thousands of potatoes every year for farmers.
One of their most interesting characteristics is that, if picked up it
will make a squealing sound. Length is 13/8" with a shiny brown or black
body.
Habitat: Fields, meadows, and crops.
Range: Throughout North America.
Life Cycle: Larvae take about two to three
years to mature then have another two years as adults. |
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Spur-Throated Grasshopper
Identification: The Spur grasshopper is
the most common grasshopper in North America. The grasshopper is
approximately 3/4-13/4" in length and tend to be a yellow, or pale brown
color but may come in a reddish or green color as well.
Habitat: Fields and areas where there is
a lot of grassy meadows.
Range: Are seen throughout the U.S. and
Canada.
Life Cycle: Maturity is in the summer.
Have only one generation per year. |
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Praying Mantis
Identification: The Praying Mantis gets
its name by the position that it holds, it looks as if it is in a praying
position. The length is approximately 2 1/2" with a very slender
greenish or brown body.
Habitat: Mostly found in meadows, fields
or even your back yard.
Range: Eastern United States and southern
Canada.
Life Cycle: One generation per year. |
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Bumble Bee
Identification: We see most of the Bumble
bees during the summer busy at work collecting pollen. Have large
furry bodies with black and yellow spots.
Habitat: Woodlands, gardens, and meadows.
Range: Throughout North America.
Life Cycle: One generation per year. |
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Yellow Jacket
Identification: Have yellow bands on end
of abdomen. The Queen bee is who makes all the calls for these busy
workers. Worker 5/8" in length and the Queen bee is larger.
Don't let them sting you!
Habitat: Fields, cities, meadows.
Range: All over North America.
Life Cycle: Generally one generation per
year. |
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Paper Wasps
Identification: Usually nest in cold, high
corners. Have a reddish brown with yellow bands on end of body.
Have deadly stingers. Can reach up to 1" in length.
Habitat: Meadows and fields.
Range: Throughout North America.
Life Cycle: Can have one to several generations
in one year. |