Sybra alternans
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Family:	Cerambycidae
Genus:	Sybra
Species:	S. alternans
Binomial name
Sybra alternans (Wiedemann, 1823)
Synonyms
Atelais multilineata Pic, 1927 Falsoropica javaensis Breuning, 1982 Lamia alternans Wiedemann, 1823 Sybra carolina Matshushita, 1935 Sybra fuscobiplagiata Breuning, 1939 Sybra fuscovittata Aurivillius, 1927

Sybra alternans is a species of beetle in the family Cerambycidae. It was described by Wiedemann in 1823.^[1] It is known from Myanmar, Thailand, Laos, Cambodia, Vietnam, Malaysia, Taiwan, Indonesia, Mariana Islands, Caroline Islands, Marshall Islands, and the Philippines. It was introduced in Hawaii in 1917, as well as Florida. Its diet includes plants such as Ananas comosus, Canavalia ensiformis, Musa × paradisiaca, Ocimum basilicum, Phaseolus vulgaris, Pittosporum tobira, Vachellia farnesiana, and Xanthium strumarium.