### animal | arthropod | insect | beetle:

Adult beetle
* cause damage
* eat leaves.
* emerge from habitats
* feed on decay vegetables
* survive months
  - winter months

Ambrosia beetle
* lack the spine.
* lay eggs on young stems and the larvae induce dieback during the winter.
* make holes that allow other fungi to enter.

Asian beetle
* Most asian beetles become household pests
  - have spots
* Most asian beetles undergo complete metamorphosis
* Some asian beetles become nuisances
  - feed on pests
  - live up to years

Asparagus beetle
* Most asparagus beetles cause damage.
* Most asparagus beetles feed on asparagus plants
* Some asparagus beetles attack wild plants.

Bark beetle
* Most bark beetles cause damage
  - little damage
  - kill trees
  - lay eggs under the bark of trees that are already dead or dying
* Some bark beetles feed on logs
  - kill thousands of trees in western forests each year
* are beetles
  - insects
* can quickly kill trees weakened by drought, disease, or improper cultural practices.
* increase biodiversity while maintaining drinking water quality.
* tend to follow as secondary pathogens and eventually cause the death of the tree.

Bean beetle
* become pests.
* have complete metamorphosis
* resemble beneficial ladybugs

### animal | arthropod | insect | beetle:

Blister beetle
* All blister beetles contain the blistering agent cantharidin in their blood.
* Most blister beetles have ranges.
* Most blister beetles have wide host ranges
* are a serious concern for hay producers and livestock owners
  - an occasional, isolated problem
  - common insects found feeding on the flowers and foliage of various plants
* are gregarious and are often found in high numbers in localized areas of the field
  - often congregate in large swarms within alfalfa fields
  - narrow, elongate insects
  - occasional late-summer problems in Iowa alfalfa fields
  - slender, rather soft insects with a narrow thorax
  - soft bodied with leathery, rather soft fore wings
  - very poisonous to horses fed hay containing their dead bodies
* can also be harmful, especially to livestock
  - be fatal if consumed by horses and can cause illness in cattle
* come in many colors including black, gray, yellow, and metallic blue.
* derive their name from the blistering agent cantharadin, found in their body fluids.
* eat foliage
* feed on alfalfa, potatoes, beans, and lupins.
* get their name from the chemical, cantharidin, in their elytra.
* have a complex life cycle that is characterized by several immature forms
  - an unusual life cycle
  - long, slender bodies with a relatively large head
  - seven instars and overwinter as mature larvae in the soil
  - wide ranges
* produce cantharidin, a defense chemical toxic to livestock, particularly horses
  - which is toxic to people and animals
  - the highly toxic chemical cantharidin
* tend to congregate in large numbers in small areas.

Bombardier beetle
* All bombardier beetles are predators, and are thus themselves agents of death.
* Some bombardier beetles can direct the spray over a wide range of directions.
* inhabit all the continents except Antarctica.

Brown beetle
* Most brown beetles make sound
  - use flowers
* are a little more likely to survive to produce offspring.
* survive to reproduce more than green beetles do.