Top 20 Most Common Insects in Massachusetts

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. Common Eastern Bumble Bee

The common Eastern Bumble Bee (Bombus impatiens) is one of the most important pollinator bees in North America. A decline in the bee population will lead to financial hardships for farmers and reduced food yield. Their efficiency in pollination and foraging comes from their ability to drop "traplines." These lines guide other bees to the correct path for food while informing them of depleted locations.

3. 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.

4. Multicolored asian ladybeetle

Often confused for the ladybug, multicolored asian ladybeetle (Harmonia axyridis) is a separate species that, unlike the ladybug, is a household pest. It is considered particularly annoying for its habit of returning to places from which it is removed. One of the most variable species in the world, there are many different colors and patterns multicolored asian ladybeetle may display, making identification potentially difficult.

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. Cabbage white

Cabbage white (Pieris rapae) derives its common name from its habits as a caterpillar, which is a ferocious pest for cabbage, kale and broccoli farmers. In North America, it is one of the first butterflies to emerge in spring, heralding the beginning of the season.

7. Eastern Carpenter Bee

The eastern Carpenter Bee (Xylocopa virginica) is considered a pest and a benefit in the same body. It has earned its pest status from its ability to tunnel into human-made structures and weaken them. They can also stain their excrement on the building as they leave the tunnel. Their benefits as pollinators heavily outweigh any damage they do to structures.

8. Brown-belted bumble bee

The brown-belted bumble bee (Bombus griseocollis) can be distinguished from other bumble bees because of the brown belt on its abdomen. It's often found in urban landscapes, near sunflowers, thistles, and milkweed. The males often fly very high in search of females, and they've even been spotted at the top of the Empire State Building.

9. 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.

10. American lobster

American lobsters (Homarus americanus) are the heaviest crustaceans in the world, reaching a weight of up to 20 kg. They are major commercial products in the northeastern US and Canada. Female american lobsters will only mate shortly after molting, and can store a male's sperm for up to 15 months. Once fertilized, the eggs will adhere to the underside of the mother's body until they hatch.

11. 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.

12. Northern Paper Wasp

The northern Paper Wasp (Polistes fuscatus) has a complex society that is dominated by one queen. The first children that a queen gives birth to are infertile females, giving them the regular job of maintaining the nest. Much like human societies, northern Paper Wasps pamper their youth. There are no nursing homes for the elderly.

13. Isabella Tiger Moth

The isabella Tiger Moth (Pyrrharctia isabella) grows into the Isabella Tiger Moth. In folklore, the amount of brown on their band is said to determine the length of the upcoming winter. Over the winter it freezes completely. It prevents the damage of tissue by producing a liquid that preserves the tissue.

14. Oriental Beetle

The oriental Beetle (Exomala orientalis) is the smaller, less colorful cousin of the Japanese Beetle. It is considered exotic in the US but was introduced in the early 1900s to Hawaii. Their introduction caused a great deal of destruction to sugarcane fields. Their major expansion was done through the shipment of nursery stock.

15. Eastern black-legged tick

The eastern black-legged tick got its common name from its tendency to attach itself as a parasite to white-tailed deer. It is a vector for several animal and human diseases, including Lyme disease and Powassan virus. Humans are most likely to get bitten by ticks in the nymph stage, when they are smaller and hard to see. Humans also get bitten most often during the summer.

16. Japanese Beetle

The japanese Beetle (Popillia japonica) was introduced to the Americas from a tourist's car in Nova Scotia. This beetle has been limited in its ability to fully infest the environment, but cannot be fully eradicated. A swarm of them have been known to strip an entire peach tree in a matter of minutes.

17. Small copper

The upperside forewings are a bright orange with a dark outside edge border and with eight or nine black spots. The hindwings are dark with an orange border. Some females also have a row of blue spots inside the orange border and are known as form caeruleopunctata. The undersides are patterned in a similar way but are paler. The black spots on the forewings are outlined in yellow and the dark colouring is replaced by a pale brownish grey. The hindwings are the same brown/grey colour with small black dots and a narrow orange border. The caterpillars (larvae) are usually green, but some have a purple stripe down the middle of the back and along each side.

18. Gypsy moth

The gypsy moth (Lymantria dispar) spends nearly its entire life on the same host tree, stripping leaves off of it. However, they will occasionally fly as a colony from one host tree to another. They are commonly recognized by their fuzzy larvae, which have dark bodies with red and blue spots. The adults are usually a pale brown color though.

19. Brown marmorated stink bug

As evidenced by its name, brown marmorated stink bug (Halyomorpha halys) is most recognizable for its ability to exude a nasty, foul-smelling odor if disturbed. Capable of subsisting on over one hundred species of plant, it has become an enormous pest for many farmers in the U.S., costing over $30 million annually in apple crop losses alone. It often invades homes in autumn, as soon as the weather begins to chill.

20. Black Carpenter ant

The black Carpenter ant (Camponotus pennsylvanicus) is given that name from their tendency to chew wood to build their tunnels. They are considered a major pest who can chew through building support beams in the worst-case scenario. Black Carpenter ants produce "aphid farms." The ant cooperates with aphids by protecting them while the aphid produces sweet dew that the ant uses to survive.

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