Two new Brazilian species in the Coelocephalapion nodicorne species-group (Brentidae, Apioninae, Apionini, Oxystomatina) associated with Euphorbiaceae Author Sousa, Wesley Oliveira De 0000-0002-5564-1759 Centro de Ciências da Saúde, Universidade Federal do Recôncavo da Bahia, Avenida Carlos Amaral, 1015, Cajueiro, Santo Antônio de Jesus, Bahia, Brazil. 44430 - 622. entomoi @ hotmail. com; http: // orcid. org / 0000 - 0002 - 5564 - 1759 entomoi@hotmail.com Author Anderson, Robert S. Beaty Centre for Species Discovery, Canadian Museum of Nature PO Box 3443, Station D Ottawa, ON K 1 P 6 P 4, CANADA. randerson @ nature. ca text Zootaxa 2022 2022-11-08 5205 3 220 230 journal article 183571 10.11646/zootaxa.5205.3.2 b2136ad2-fa3d-4e61-bc04-67f0dbcabbdd 1175-5326 7305917 856BAC89-10CB-4FE4-A2A3-8FDFE6B7357A Key to species of the Coelocephalapion nodicorne group 1. Elytral sutural interval with postscutellar spot of denser scales.................................................. 2 - Elytral sutural interval without postscutellar spot of denser scales............................................... 7 2. Frons with longitudinal median carina..................................................................... 3 - Frons without longitudinal median carina.......................................... C. buchanani ( Kissinger, 1958 ) 3. Postscutellar spot of scales starting at a distance equivalent to the length of the scutellum and extending through basal half of elytra............................................................................................... 4 - Postscutellar spot of scales starting just behind scutellum and extending to or beyond basal half of elytra................ 5 4. Prescutellar fovea reaching the middle of pronotum................................... C. saginans ( Kissinger, 1958 ) - Prescutellar fovea not reaching the middle of pronotum................................ C. expilator ( Kissinger, 1958 ) 5. Postscutellar spot of scales extending beyond basal half of elytra, becoming sparse posteriorly..... C. fumitarse ( Fall, 1898 ) - Postscutellar spot of scales not extending beyond basal half of elytra............................................. 6 6. Elytral sutural interval with white scales.............................................. C. nodicorne ( Sharp, 1890 ) - Elytral sutural interval with off-white to yellowish scales................................ C. iteratum ( Kissinger, 1974 ) 7. Pronotal disc with prescutellar fovea...................................................................... 8 - Pronotal disc without prescutellar fovea................................................... C. geraldinhoi sp. n. 8. Elytra with discal macula of darker scales............................................. C. metum ( Kissinger, 1974 ) - Elytra without discal macula of darker scales............................................................... 9 9. Prescutellar fovea of pronotal disc extended to near its apex............................... C. delta ( Buchanan, 1922 ) - Prescutellar fovea of pronotal extended to near the basal half of pronotal disc....................... C. paleariae sp. n.