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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 Allen
Water-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 Technology

Volume

17

Issue

7

Pagination

765-770

ISSN

0958-3157

Department/School

Tasmanian Institute of Agriculture (TIA)

Publisher

Taylor & Francis Ltd

Place of publication

United Kingdom

Repository Status

  • Restricted

Socio-economic Objectives

Control of pests, diseases and exotic species in terrestrial environments

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