Ptosima gibbicollis
(Say, 1823)
Redbud Borer
Ptosima gibbicollis, commonly known as the redbud borer, is a metallic wood-boring beetle in the Buprestidae. The was first described by Thomas Say in 1823 under the name Buprestis gibbicollis. It is native to North America and has been documented in multiple Canadian provinces and U.S. states. The reflects its association with redbud trees (Cercis), though specific relationships require further documentation.
Pronunciation
How to pronounce Ptosima gibbicollis: //ˌtɒsɪmə ˌdʒɪbɪˈkɒlɪs//
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Identification
As a member of Buprestidae, this likely exhibits the 's characteristic metallic coloration and elongated, somewhat flattened body form. The specific epithet "gibbicollis" (meaning "humped neck") suggests a pronounced pronotum. Definitive identification to species level requires examination of specific morphological features not detailed in available sources.
Images
Distribution
North America. Documented presence in Ontario, Canada, with broader distribution across the Nearctic region. GBIF records indicate occurrence in the eastern United States and Canada.
Host Associations
- Cercis - likely larval 'redbud borer' suggests association, though specific life stage and nature of interaction require confirmation
Similar Taxa
- Other Ptosima speciesSame , requiring careful examination of pronotal shape and other morphological features for separation
- Other Buprestidae-level similarity in metallic appearance and wood-boring habits; -level characters needed for identification
More Details
Taxonomic history
Originally described as Buprestis gibbicollis by Thomas Say in 1823, later transferred to Ptosima. The basionym reflects early 19th-century classification practices in Buprestidae.