Stenolophus rugicollis
(LeConte, 1859)
Stenolophus rugicollis is a in the , described by LeConte in 1859. The Stenolophus comprises small, often abundant commonly known as seedcorn beetles due to their frequent occurrence in agricultural fields. in this genus are typically spring-active and readily attracted to lights at night. Stenolophus rugicollis is recorded from the United States.
Pronunciation
How to pronounce Stenolophus rugicollis: /stəˈnɒləfəs ˌruːdʒiˈkɒlɪs/
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Identification
Small in the Stenolophus. Members of this genus are characterized by their small size (typically 5-8 mm), , and often somewhat flattened bodies. The specific epithet "rugicollis" refers to wrinkled or sculpturing on the (neck region), which may aid in distinguishing this from . Accurate identification to species level requires examination of and other subtle morphological features.
Distribution
United States; recorded as present in North America.
Seasonality
Active in early spring; has been observed at lights in March in Kansas.
Behavior
; attracted to artificial lights including UV blacklights. Like other Stenolophus , likely active on the ground surface.
Human Relevance
Member of a containing agricultural pests. Some Stenolophus are known as seedcorn that can damage germinating seeds in corn and other ; specific pest status of S. rugicollis is not established.
Similar Taxa
- Stenolophus leconteiSimilar small size, spring activity period, and light-attracted ; requires careful examination of pronotal sculpturing and male for separation.
- Stenolophus ochropezusOverlapping geographic range and preferences; distinguished by subtle differences in elytral microsculpture and body proportions.