One-spotted Stink Bug
Euschistus variolarius
Classification
- Phylum: Arthropoda
- Subphylum: Hexapoda
- Class: Insecta
- Order: Hemiptera
- Suborder: Heteroptera
- Infraorder: Pentatomomorpha
- Superfamily: Pentatomoidea
- Family: Pentatomidae
- Subfamily: Pentatominae
- Tribe: Carpocorini
- Genus: Euschistus
- Species: variolarius
Pronunciation
How to pronounce Euschistus variolarius: /juˈskɪstəs ˌvɛəriəˈleəriəs/
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Summary
Euschistus variolarius, commonly known as the one-spotted stink bug, is a species of stink bug in the family Pentatomidae found in North America and the Caribbean. It has a distinctive morphological feature that aids in its identification and has a polyphagous diet.
Physical Characteristics
11‒15 mm. Males have one large spot on the pygophore; females have no dark spot at the anterior corner on the edge of each abdominal segment.
Identification Tips
The only reliable way to separate Euschistus variolarius from Euschistus servus is by examining the ventral view. Males of E. variolarius can be identified by the presence of one big spot on the pygophore, while E. servus does not have this spot.
Habitat
Various habitats where its host plants are found; commonly associated with agricultural areas due to its diet.
Distribution
Transcontinental distribution from British Columbia to Nova Scotia and as far south as Florida and New Mexico, indicating a wide range across North America.
Diet
Polyphagous; recorded from over 25 species across 15 plant families, feeding on various vegetables and fruits.
Life Cycle
1‒2 generations per year.
Ecosystem Role
Minor pest of vegetables and fruit/buds, indicating it plays a role in pest dynamics within agricultural ecosystems.
Economic Impact
Minor pest status in crops may lead to some economic loss but is not considered a severe pest.
Similar Taxa
Tags
- Euschistus variolarius
- stink bug
- Pentatomidae
- North America
- agricultural pest