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Giant Palm Weevils: Headed our Way? Michael C. Thomas Florida State Collection of Arthropods

Giant Palm Weevils: Headed our Way? Michael C. Thomas Florida State Collection of Arthropods. Nine species of Rhynchophorus Herbst R. bilineatus ( Montrouzier ) – Southeastern Asia R. cruentatus ( Fabricius ) – Southeastern U.S. R. d istinctus Wattanapongsiri – Southeastern Asia

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Giant Palm Weevils: Headed our Way? Michael C. Thomas Florida State Collection of Arthropods

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  1. Giant Palm Weevils: Headed our Way? Michael C. Thomas Florida State Collection of Arthropods

  2. Nine species of RhynchophorusHerbst R. bilineatus (Montrouzier) – Southeastern Asia R. cruentatus (Fabricius) – Southeastern U.S. R. distinctusWattanapongsiri – Southeastern Asia R. ferrugineus (Olivier) – Asia, Europe, Caribbean, California R. lobatusRitsema – Southeastern Asia R. palmarum (Linnaeus) – Tropical Americas, Caribbean, California R. phoenicus (Fabricius) – Africa R. quadrangulusQuedenfeldt – Africa R. ritcheriWattanapongsiri – South America

  3. RhynchophoruscruentatusFabricius Palmetto Weevil Range: Southeastern U.S., Bahamas Hosts: Sabal palmetto, Bismarckianobilis, Washingtonia sp., Serrenoarepens, Phoenix dactylifera, Pritchardiasp., Roystonea sp., Cocosnucifera, Latania sp., Caryota sp., and Thrinaxradiata.

  4. Rhynchophorusferrugineus(Olivier) Red Palm Weevil Range:Asia, Europe, Caribbean, California Hosts: Areca catechu, Arengasaccharifera, Arengapinnata, Borassusflabellifer, Borassus sp., Calamusmerrillii, Caryotacumingii, Caryota maxima, Cocosnucifera, Coryphautan, Coryphaumbraculifer, Elaeisguineensis, Livistonadecipiens, Livistonachinensis, Livistonacsaribus, Livistonacsubglobosa, Metroxylonsagu, Oneospermahorrida, Oneospermatigillarium, Phoenix canariensis, Phoenix dactylifera, Phoenix sylvestris, Oreodoxaregia, Sabal umbraculifera, Trachycarpus fortunei and Washingtonia sp., plus sugar cane, Saccharum officinarum andcentury plant, Agave americana.

  5. Red Palm Weevil Distribution 1966 2011

  6. Red Palm Weevil Damage

  7. Rhynchophoruspalmarum(Linnaeus) South American Palm Weevil Range:Tropical Americas, Caribbean, California Hosts: Cocosnucifera, Elaeisguineensis, Euterpeedulis, Metroxylonsagu, Phoenix canariensis, Phoenix dactylifera, Saccharum officinarum

  8. South American Palm Weevil Distribution

  9. South American Palm Weevil Damage

  10. Palm Weevil Identification R. ferrugineus R. cruentatus R. palmarum

  11. Trapping: unit • Bucket trap • Buried in ground • Suspended from non-host tree • Lure • Ethyl acetate • Male aggregation pheromone • Fermenting food bait Andrew Derksen, FDACS 2011

  12. Trapping: Traps in Florida = 5 • West Florida • 2 traps, in Hillsborough Co. • 2 sites total • Installed March 2011 • Checked bi-weekly, all results negative to date • South Florida • 3 traps, in Miami-Dade Co. • 2 sites total • Installed March 2011 • Checked bi-weekly, all results negative to date

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