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Celebrating 100 Years of Science! | 1925-2025

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Illustration of stonefly adult
Stonefly : adult
The mountain pine beetle, Dendroctonus ponderosae, is a species of bark beetle native to the forests of western North America from Mexico to central British Columbia. It has a hard black exoskeleton, and measures approximately 5 mm, about the size of a grain of rice. In western North America, the current outbreak of the mountain pine beetle and its microbial associates has destroyed wide areas of lodgepole pine forest.
Dendroctonus ponderosae (Mountain Pine Beetle) 2
Illustration of dragonfly nymph
Dragonfly : nymph
Illustration of Galerucella pusilla (Golden Loosestrife Beetle)
Galerucella pusilla (Golden Loosestrife Beetle)
Mantis insect (Order Mantodea)
Mantis on picnic table
Mantis insect (Order Mantodea)
Mantis on picnic table
Close-up of caterpillar
white-lined sphinx moth caterpillar (Hyles…
An infestation of caterpillars were eating all the leaf vegetation of these perennial groundcovers.
white-lined sphinx moth caterpillar (Hyles…
False katydid resting on a sidewalk.
false katydid (Amblycorypha oblongifolia)
Bagworms (Family Psychidae) were found hanging from the branches of an arborvitae shrub, Neavitt, MD.
Bagworms
This bee hive was exposed when the tree was knocked over during a severe thunderstorm, Cambridge, MD
Bee hive
A white-lined sphinx moth (Hyles lineata), also called a hummingbird moth because its features mimic that birds.
Catalina Island
Spider web at Point Lobos State Reserve, Carmel, California
Spider web at Point Lobos State Reserve, Carmel…
stonefly shell case (Plecoptera) on river rock
stonefly shell case close-up (Plecoptera) on…
Ant on flowers along hiking trail on western side of Acadia National Park, Maine
Ant, Acadia National Park, Maine
Bug on bunchberry flower along hiking trail on western side of Acadia National Park, Maine
Bug on bunchberry, Acadia National Park, Maine
Hover fly on flower along hiking trail on western side of Acadia National Park, Maine
Hover fly on flower, Acadia National Park, Maine
Water and spider web on fallen tree trunk along hiking trail on western side of Acadia National Park, Maine
Spiderweb, Acadia National Park, Maine
Illustration of Anthonomus grandis (Boll Weevil)
Anthonomus grandis (Boll Weevil)
Illustration of bee
Bee
Illustration of centipede
Centipede
Illustration of grasshopper
Grasshopper
Illustration of Danaus plexippus (Monarch Butterfly)
Danaus plexippus (Monarch Butterfly)
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