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1. Padil Species Factsheet Scientific Name: Common Name Image Library Partners for Australian Biosecurity Image Library

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1. Padil Species Factsheet Scientific Name: Common Name Image Library Partners for Australian Biosecurity Image Library 1. PaDIL Species Factsheet Scientific Name: Segestes decoratus Redtenbacher, 1892 (Orthoptera: Tettigoniidae: Mecopodinae: Sexavaini) Common Name Sexava Coconut treehopper Live link: http://www.padil.gov.au/pests-and-diseases/Pest/Main/140668 Image Library Australian Biosecurity Live link: http://www.padil.gov.au/pests-and-diseases/ Partners for Australian Biosecurity image library Department of Agriculture, Water and the Environment https://www.awe.gov.au/ Department of Primary Industries and Regional Development, Western Australia https://dpird.wa.gov.au/ Plant Health Australia https://www.planthealthaustralia.com.au/ Museums Victoria https://museumsvictoria.com.au/ 2. Species Information 2.1. Details Specimen Contact: Museum Victoria - [email protected] Author: Ken Walker Citation: Ken Walker (2011) Sexava Coconut treehopper(Segestes decoratus)Updated on 8/13/2012 Available online: PaDIL - http://www.padil.gov.au Image Use: Free for use under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY- NC 4.0) 2.2. URL Live link: http://www.padil.gov.au/pests-and-diseases/Pest/Main/140668 2.3. Facets Commodity Overview: Horticulture, Forestry Commodity Type: Oil Palm Distribution: Australasian - Oceanian Group: Grasshoppers and allies Status: Exotic species - absent from Australia 2.4. Other Names long-horn grasshopper 2.5. Diagnostic Notes The principal pests of oil palm in PNG are a group of insect species from the Tettigoniidae family (Orthoptera), known collectively as sexava. Three species of sexava are pests of oil palm in PNG: _Segestes decoratus, S. defoliaria and S. novaeguineae_. These insects cause damage by feeding on oil palm fronds and defoliation levels can be very severe where high populations occur. Severe defoliation causes reductions in photosynthesis resulting in yield loss from lower fruit production. 2.6. References Redtenbacher. 1892. Monographische Uebersicht der Mecopodiden. Verhandlungen der Kaiserlich- Königlichen Zoologisch-Botanischen Gesellschaft in Wien. 42:183-224 2.7. Web Links Pest Control: http://www.croplifefoundation.org/upload/Caudwell%20Papua%20NG%20Palm%20IPM.pdf 3. Diagnostic Images Papua New Guinea, Madang Province, Papua New Guinea, Madang Province, Furon, 13 January 2010, C. F. Dewhurst, ex Furon, 13 January 2010, C. F. Dewhurst, ex coconut/banana coconut/banana Dorsal Image - Female: Sarah McCaffrey Dorsal Image - Female (close-up): Sarah Museums Victoria McCaffrey Museums Victoria Papua New Guinea, Madang Province, Papua New Guinea, Madang Province, Bogla district, 5 November 2008, C. F. Bogla district, 5 November 2008, C. F. Dewhurst, ex coconut Dewhurst, ex coconut Dorsal Image - Male: Sarah McCaffrey Dorsal Image - Male (close-up): Sarah Museums Victoria McCaffrey Museums Victoria Papua New Guinea, Madang Province, Papua New Guinea, Madang Province, Furon, 13 January 2010, C. F. Dewhurst, ex Bogla district, 5 November 2008, C. F. coconut/banana Dewhurst, ex coconut Head Front Image - Female: Sarah Head Front Image - Male: Sarah McCaffrey McCaffrey Museums Victoria Museums Victoria Papua New Guinea, Madang Province, Papua New Guinea, Madang Province, Furon, 13 January 2010, C. F. Dewhurst, ex Bogla district, 5 November 2008, C. F. coconut/banana Dewhurst, ex coconut Head Side Image - Female: Sarah Head Side Image - Male: Sarah McCaffrey McCaffrey Museums Victoria Museums Victoria Papua New Guinea, Madang Province, Papua New Guinea, Madang Province, Furon, 13 January 2010, C. F. Dewhurst, ex Bogla district, 5 November 2008, C. F. coconut/banana Dewhurst, ex coconut Hindleg Image - Female: Sarah McCaffrey Hindleg Image - Male: Sarah McCaffrey Museums Victoria Museums Victoria Papua New Guinea, Madang Province, Papua New Guinea, Madang Province, Furon, 13 January 2010, C. F. Dewhurst, ex Furon, 13 January 2010, C. F. Dewhurst, ex coconut/banana coconut/banana Lateral Image - Female: Sarah McCaffrey Lateral Image - Female (close-up): Sarah Museums Victoria McCaffrey Museums Victoria Papua New Guinea, Madang Province, Papua New Guinea, Madang Province, Bogla district, 5 November 2008, C. F. Bogla district, 5 November 2008, C. F. Dewhurst, ex coconut Dewhurst, ex coconut Lateral Image - Male: Sarah McCaffrey Lateral Image - Male (close-up): Sarah Museums Victoria McCaffrey Museums Victoria Papua New Guinea, Madang Province, Papua New Guinea, Madang Province, Furon, 13 January 2010, C. F. Dewhurst, ex Furon, 13 January 2010, C. F. Dewhurst, ex coconut/banana coconut/banana Ovipositor Image - Female: Sarah Pronotum Image - Female: Sarah McCaffrey McCaffrey Museums Victoria Museums Victoria Results Generated: Wednesday, September 29, 2021 .
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