CREATE TABLE table_1850282_7 (bocas_is VARCHAR, species VARCHAR)

Name the bocas for chironius multiventris septentrionalis
SELECT bocas_is FROM table_1850282_7 WHERE species = "Chironius multiventris septentrionalis"
SELECT "bocas_is" FROM "table_1850282_7" WHERE "Chironius multiventris septentrionalis" = "species"