Complex sentence: The first family members to be identified were isolated from "Locusta migratoria migratoria" (migratory locust) which were HI, LMCI-1 (PMP-D2) and LMCI-2 (PMP-C).
Split into simpler sentences: The first family members to be identified were isolated from "Locusta migratoria migratoria" (migratory locust). These were HI, LMCI-1 (PMP-D2) and LMCI-2 (PMP-C).