Octotoma
Octotoma is a of and hispines (: ) comprising approximately 11–12 described . Members of this genus are leaf-mining with documented associations to , an weed. Several species, notably O. championi and O. scabripennis, have been extensively studied and employed as agents. The genus exhibits a leaf-mining larval phase followed by free-living, leaf-chewing .



Pronunciation
How to pronounce Octotoma: /ˌɒk.təˈtoʊ.mə/
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Images
Habitat
Associated with plants; are within leaves, while are free-living on foliage.
Distribution
have been to Hawaii and Australia for purposes; range not specified in available sources.
Diet
(leaf tissue); mine within leaves, chew leaf tissue.
Host Associations
- Lantana camara - primary Feeding, development, and restricted almost entirely to this ; confirmed through testing in Hawaii
Life Cycle
Leaf-mining larval phase followed by within leaf tissue; free-living, leaf-chewing stage. Development time accelerated by approximately 10–13 days under elevated temperature conditions.
Behavior
are ; exhibit free-living leaf-chewing . Feeding and behavior has been studied in field and simulated-field experimental conditions.
Ecological Role
; agent candidate for weed . Serves as for (Sympiesis sp. near aburiana) and for (primarily ) in ranges.
Human Relevance
Employed as agents for , an important weed in multiple countries. testing demonstrated narrow range, supporting suitability for programs.
Similar Taxa
- Uroplata girardiAlso a leafmining used as agent; both share similar ecological role, associations, and were studied concurrently in Hawaii and Australia. Distinguished by taxonomic placement in different within : Hispinae.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
- The suitability ofOctotoma scabripennisGuér. andUroplata girardiPic (Col., Chrysomelidae) for the control ofLantana(Verbenaceae) in Australia
- Parasitism and predation of the lantana leafmining beetles Octotoma scabripennis Guérin‐Méneville and Uroplata girardi Pic (Coleoptera: Chrysomelidae: Hispinae) in Australia
- Effects of elevated CO2 and temperature on development and consumption rates of Octotoma championi and O. scabripennis feeding on Lantana camara