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Genus Ptosima

Ptosima idolynae Frost - Ptosima idolynae Redbud Borer - Ptosima gibbicollis Ptosima walshii LeConte - Ptosima walshii Ptosima laeta Waterhouse - Ptosima laeta Metallic Wood-boring Beetle - Ptosima gibbicollis Ptosima gibbicollis Redbud Borer - Ptosima gibbicollis Redbud Borer - Ptosima gibbicollis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Elateriformia)
Superfamily Buprestoidea (Metallic Wood-boring and False Jewel Beetles)
Family Buprestidae (Metallic Wood-boring Beetles)
Subfamily Polycestinae
Genus Ptosima
Synonyms and other taxonomic changes
Our only representative of the tribe Ptosimini Kerremans 1902
Explanation of Names
Ptosima Serville in Dejean 1833
ptosis (G). 'fall, droop'
4 spp. in our area(1); 10 spp. worldwide(2)
6-8 mm
base of pronotum with row of rasplike grooves(1); distinguished from Acmaeodera by distinct scutellum

genus reviewed in(3)
Holarctic and Oriental(2); in our area, e. and midwestern US to TX(1) (gibbicollis is widespread in east, idolynae, in south-central US to TX, laeta in TX, walshii in the Midwest)
Larvae in stems of deciduous trees/shrubs, such as Redbud (Cercis canadensis) and Hawthorn (Crataegus)
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2.Bellamy C.L. (2013) The world of jewel beetles: A checklist of world Buprestoidea
3.A review of the genus Ptosima in North America (Coleoptera: Buprestidae)
Nelson G.H. 1978. Col. Bull. 32: 327-336.