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Survival of larvae of the ragwort flea beetle, Longitarsus flavicornis (Coleoptera: Chrysomelidae), in water-logged soil
journal contribution
posted on 2023-05-16, 19:05 authored by Potter, KJB, Ireson, J, Geoff AllenGeoff AllenWater-logged soil could be a major factor affecting populations of the ragwort biological control agent, Longitarsus flavicornis, in Australia. Survival of L. flavicornis larvae in potted ragwort plants after inundation with water for up to 264h (11days) was compared to larval survival in control plants not exposed to inundation. Probit analysis indicated that 35.6% mortality of the larval population occurred after 24h inundation and 50.4% after 72h. As high mortality was recorded at periods of inundation known to occur in the field, it is concluded that winter flooding is likely to be detrimental to populations of L. flavicornis. © 2007 Taylor & Francis.
History
Publication title
Biocontrol Science and TechnologyVolume
17Issue
7Pagination
765-770ISSN
0958-3157Department/School
Tasmanian Institute of Agriculture (TIA)Publisher
Taylor & Francis LtdPlace of publication
United KingdomRepository Status
- Restricted