proterandrous
/ˌprəʊtəˈrandrəs/adjective
1 Botany = protandrous.
2 Zoology = protandrous. Also: designating insects in which the emergence of male individuals occurs before the females. Compare proterogynous. rare.
Origin
Late 19th century; earliest use found in Bulletin of the Torrey Botanical Club. From protero- + -androus.