Three-spotted Flea Beetle
Disonycha triangularis
Classification
- Phylum: Arthropoda
- Subphylum: Hexapoda
- Class: Insecta
- Order: Coleoptera
- Suborder: Polyphaga
- Superfamily: Chrysomeloidea
- Family: Chrysomelidae
- Subfamily: Galerucinae
- Tribe: Alticini
- Genus: Disonycha
- Species: triangularis
Pronunciation
How to pronounce Disonycha triangularis: //dɪˈsɒnɪkə traɪˌæŋɡjʊˈlærɪs//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
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Summary
Disonycha triangularis, commonly known as the three-spotted flea beetle, is a North American species of flea beetle recognized for its distinct coloration and feeding habits on various plant families.
Physical Characteristics
Approximately 6 mm in length; recognized for its distinctive coloration and patterning.
Identification Tips
Look for three distinctive spots on the elytra that differentiate it from similar species.
Habitat
Found in various habitats where host plants are available, typically in areas with abundant Chenopodiaceae and Amaranthaceae.
Distribution
Widely distributed throughout North America, except in the southwestern United States (specifically New Mexico to Florida and British Columbia).
Diet
Feeds on plants from the families Chenopodiaceae and Amaranthaceae, as well as various other plant families.
Life Cycle
Life cycle is mostly active from April to September, with larvae developing in association with host plants.
Reproduction
The specific reproductive habits are not detailed; however, flea beetles typically lay eggs on or near food plants.
Predators
Natural predators include birds and other insectivorous animals, though specific predators are not documented here.
Ecosystem Role
Acts as both herbivore and prey in its ecosystem, potentially influencing plant community dynamics.
Collecting Methods
- Hand collecting
- Sweep netting
- Light trapping
Preservation Methods
- Ethanol
- Pin mounting
- Heat killing
Evolution
Part of the diverse family Chrysomelidae, which includes many economically important species.
Misconceptions
Some may confuse it with other similar-looking beetles that do not belong to the flea beetle family.
Tags
- Disonycha
- Flea Beetle
- Coleoptera
- Insecta
- North America