Typophorus nigritus explained

Typophorus nigritus is a species of leaf beetle in the subfamily Eumolpinae. It is found in North, Central, and South America.^{[1] [2]}

Two subspecies, T. nigritus nitidulus and T. nigritus viridicyaneus, are known as pests of sweet potatoes.^[3]

Subspecies

There are 13 subspecies of T. nigritus:^[2]

• Typophorus nigritus chalceus Lefèvre, 1877^[1] – Mexico
• Typophorus nigritus coronadoi Bechyné, 1948 – Mexico
• Typophorus nigritus cretifer Bechyné, 1953^[2] – Guatemala
• Typophorus nigritus erbeni Bechyné, 1948 – Trinidad
• Typophorus nigritus interpositus Bechyné, 1951 – Costa Rica
• Typophorus nigritus lucens Bechyné, 1953^[2] – Brazil
• Typophorus nigritus molnari Bechyné, 1953^[2] – Brazil
• Typophorus nigritus nigritus (Fabricius, 1801) – Guyana, Venezuela, Colombia
• Typophorus nigritus nitidulus (Fabricius, 1801) – Brazil, Argentina, Paraguay, Uruguay, Bolivia, Peru
• Typophorus nigritus obliquus Baly, 1859^[4] – Guatemala, Panama, Colombia, Venezuela
• Typophorus nigritus paradoxus Jacoby, 1882^[5] – Honduras, Guatemala
• Typophorus nigritus punctatissimus Bechyné, 1948 – Mexico
• Typophorus nigritus viridicyaneus (Crotch, 1873)^[6] (sweetpotato leaf beetle) – USA, Mexico

Notes and References

1. E.. Lefèvre. 1877. Descriptions de Coléoptères nouveaux ou peu connus de la Famille des Eumolpides (2e partie). Annales de la Société Entomologique de France. 5. 7. 309–326.
2. Bechyné. J.. 1953. Katalog der neotropischen Eumolpiden (Col. Phytoph. Chrysomeloidea). Entomologische Arbeiten aus dem Museum G. Frey. 4. 26–303. German.
3. Santoro. F. H.. Bezzi. A.. Vigevano. A.. Cantos. F.. 1980. Biología del negrito de la batata, Typophorus nigritus nitidulus (F.) y ensayo preliminar sobre control químico de adultos (Coleoptera-Chrysomelidae-Eumolpinae). IDIA (Buenos Aires). 373–375. 13–44.
4. Baly. J. S.. 1859. Descriptions of new genera and species of Phytophagous insects. Annals and Magazine of Natural History. 3. 4. 20. 124–128. 10.1080/00222935908697096.
5. Encyclopedia: Jacoby. M.. 1881. Eumolpidae. https://biodiversitylibrary.org/page/584677. Insecta. Coleoptera. Biologia Centrali-Americana. 6. 1. 105–187.
6. Crotch. G. R.. 1873. Materials for the Study of the Phytophaga of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia. 25. 1. 19–83. 4624297.