Host-range study on the stem-boring weevil ( Listronotus setosipennis ( Coleoptera : Curculionidae ) for the control of Parthenium hysterophorus in Ethiopia . By Sintu Alemayhu. Objective. To evaluate the safety of the stem-boring weevil, Listronotus setosipennis non-target plant species.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Host-rangestudy on the stem-boring weevil (Listronotussetosipennis (Coleoptera: Curculionidae) for the control ofPartheniumhysterophorus in Ethiopia
By Sintu Alemayhu
Listronotussetosipennis (Coleoptera: Curculionidae
Lay eggs in flower heads or leaf bases
Nocturnal adults feed on leaves and flowers
hatch 3-5 days later
Complete life cycle of Listronotustakes30-35 days.
pupate in soil inside fibrous capsules
Figure 1. Diagrammatic representation of the tribe Heliantheae and some crop plants (adapted by Lorraine Strathie from Wapshere, A. J. 1974).
Helianthus annus (oissa)
Table 1. Result of Host-Specificity of Listronotus setosipennis (Hustache) on major crops
Evaluation of species related to Parthenium