Trichapion centrale
(Fall, 1898)
A small weevil in the Brentidae (formerly treated as Apionidae), recorded from multiple Canadian provinces. The Trichapion was established to accommodate previously placed in Apion, distinguished by morphological features including with a distinct club and specific rostrum proportions. As with other brentid weevils, likely feed on plant tissues and larvae probably develop within plant stems or seeds.
Pronunciation
How to pronounce Trichapion centrale: /tɹɪkˈeɪpiːɒn sɛnˈtrɑːliː/
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Identification
Members of Trichapion are distinguished from related by with a distinct 3-segmented club and a rostrum that is relatively slender and curved. The genus differs from Apion sensu stricto in details of antennal insertion and rostral . -level identification within Trichapion requires examination of genitalia and detailed comparison of rostral and pronotal proportions; specific diagnostic features for T. centrale are not readily available in general literature.
Distribution
Recorded from Alberta, British Columbia, Manitoba, Nova Scotia, and Ontario, Canada.
Similar Taxa
- Trichapion porcatumAnother North American in the same , requiring detailed morphological comparison for separation
- Apion speciesHistorically confused with Trichapion; distinguished by antennal club structure and rostrum proportions