Top 20 Most Common Insects in Ottawa
Insects, with their diverse shapes and intriguing life cycles, form a significant part of Ottawa's ecosystem. They are remarkable indicators of environmental health, playing pivotal roles as both pests and beneficial species. Explore with us the 20 most common insects in Ottawa, as we unlock their secrets and understand their roles within our urban landscapes.
Most Common Insects
1. Monarch butterfly
The monarch butterfly (Danaus plexippus) is the most recognizable butterfly in North America. It is best known for its appearance, but should be better known for the fact that it has a 3000-mile migration that takes the butterfly 4 generations to complete. Their diet is also a natural deterrent for predators, as they eat milkweed, a poison that induces vomiting.
2. Widow skimmer
The widow skimmer (Libellula luctuosa) is a large insect that grows to be incredibly large with a bulbous head and body. As they age, they are known to grow whitish, much like our grandparents' hair. They live in the water until their final molt, where they reveal their wings, it is at this point it reveals why it has part of a group called the king skimmers.
3. Eastern pondhawk
The eastern pondhawk (Erythemis simplicicollis) has much in common with American fishermen, they love living near the sides of ponds. They are a beautiful insect that is easy to distinguish when it comes to different genders. Females are bright green with bands around the abdomen and the males are bright blue with a green face.
4. Common whitetail skimmer
Common whitetail skimmer has black bands on its translucent wings which make it easy to identify. The common whitetail skimmer is found throughout North America and serves a vital ecological purpose. The dragonfly’s compound eyes provide it with a 360-degree field of vision, allowing it to spot prey like spiders and other nuisance insects.
5. Blue dasher
The name Pachydiplax longipennis implies that the blue dasher has long wings due to the "longipennis" section literally translating to it. But this would be misleading, as the insect does not have particularly long wings. Instead, they stick out with vibrant blue colors. The dasher part of their name may be in reference to their voracious diet, as they can eat up to 10 percent of their body weight daily.
6. Wheel Bug
The wheel Bug (Arilus cristatus) gets its name from the spiked wheel on the top of his head. The punk rock look suits these bugs, as their bite tends to be more painful than a bee sting. Another nickname, assassin bug, is earned through its hunting of many bugs we would consider as crop pests and indoor pests. Their saliva is toxic, usually killing prey within 30 seconds of injection.
7. Twelve-spotted skimmer
The twelve-spotted skimmer (Libellula pulchella) is otherwise known as the ten-spotted skimmer depending on the amount of dots you would like to count. Mature males have twelve brown wing spots and eight white wings spots. They are also known to be pretty massive; this makes them easy to identify.
8. Yellow garden spider
The yellow garden spider (Argiope aurantia) is an arachnid that connects itself to its web to feel vibrations that signal to him prey has been caught. Its venom is harmless to humans but perfect for catching smaller insects that might cause harm to your garden. Yellow garden spiders web construction process includes bridge construction and scaffolding, making it among the more complicated web patterns.
9. Western honey bee
Western honey bee（Apis mellifera） is the most common species of honeybee in the world. Among the first domesticated insects, its cultural and economic impact on humanity has been vast and far-reaching, providing honey, wax and its services as a pollinator. Western honey bee faces challenges worldwide, such as colony collapse disorder, and populations are thought to be decreasing.
10. Common Buckeye
The common Buckeye (Junonia coenia) has distinguishable target-shaped spots on its dark wings, along with patches of orange and white. It produces multiple generations each year as it migrates to sunny landscapes. When it flies, it moves rapidly in an irregular pattern, often low to the ground.
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