Exitianus

Ball, 1929

Species Guides

3

Exitianus is a of leafhoppers in the Cicadellidae, containing over 50 described . At least one species, Exitianus atratus, has been demonstrated to transmit phytoplasmas—bacterial plant —to bean plants in Colombia. The genus was established by Ball in 1929 and is classified within the tribe Chiasmini.

Exitianus exitiosus by (c) Victor Engel, some rights reserved (CC BY), uploaded by Victor Engel. Used under a CC-BY license.Exitianus exitiosus by (c) Victor Engel, some rights reserved (CC BY), uploaded by Victor Engel. Used under a CC-BY license.Exitianus by no rights reserved, uploaded by Ken Kneidel. Used under a CC0 license.

Pronunciation

How to pronounce Exitianus: /ɛk.sɪˈtiː.a.nʊs/

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Images

Distribution

Exitianus atratus has been documented in Colombia. The as a whole has a global distribution with observations spanning multiple continents, though specific range boundaries for most remain undefined.

Behavior

Exitianus atratus has been observed transmitting phytoplasmas of groups 16SrI and 16SrVII to uninfected bean plants (Phaseolus vulgaris) under experimental conditions.

Ecological Role

Exitianus atratus serves as a for phytoplasma plant , facilitating transmission of bacterial to urban trees and agricultural crops.

Human Relevance

Exitianus atratus is a confirmed for phytoplasma affecting urban trees and bean crops in Colombia, marking the first documented transmission of 16SrVII phytoplasmas by any insect vector worldwide and the first 16SrI transmission in South America.

Sources and further reading