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Norman E. Rees's Images

Organization: USDA Agricultural Research Service
Country: United States
Remove Filters: Biological Control(X)
90 Images of 24 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
0024027 Canada thistle stem gall fly Urophora cardui in gall
0024038 musk thistle head weevil Rhinocyllus conicus examining infested seed heads for larvae
0021059 bronze knapweed root borer Sphenoptera jugoslavica in root
0025065 copper leafy spurge flea beetle Aphthona flava
0022003 sulfur knapweed root moth Agapeta zoegana in root
0021057 bronze knapweed root borer Sphenoptera jugoslavica
0023079 thistle crown weevil Trichosirocalus horridus
0021050 banded gall fly Urophora affinis on leaf
0025004 spurge hawkmoth Hyles euphorbiae
0023020 St. John's Wort Inchworm Aplocera plagiata
0025066 copper leafy spurge flea beetle Aphthona flava
0024023 Canada thistle stem mining weevil Ceutorhynchus litura feeding in stem
0025056 klamathweed beetle Chrysolina quadrigemina mating on stems
0023074 musk thistle head weevil Rhinocyllus conicus on leaves
0023031 St. John's wart midge Zeuxidiplosis giardi Galls on plant
0023076 musk thistle head weevil Rhinocyllus conicus in the flower head
0023015 St. John's wort beetle Agrilus hyperici
0023016 St. John's wort beetle Agrilus hyperici in root
0023024 St. Johnswort beetle Chrysolina hyperici on flower
0023041 St. John's Wort Inchworm Aplocera plagiata
0024024 Canada thistle stem mining weevil Ceutorhynchus litura larvae feeding in stem
0023086 brown dot leafy spurge flea beetle Aphthona cyparissiae
0025090 copper leafy spurge flea beetle Aphthona flava
0025073 black dot spurge flea beetle Aphthona nigriscutis
0025070 black dot spurge flea beetle Aphthona nigriscutis
0025046 black dot spurge flea beetle Aphthona nigriscutis
0025045 black dot spurge flea beetle Aphthona nigriscutis
0025003 spurge hawkmoth Hyles euphorbiae
0024025 Canada thistle stem gall fly Urophora cardui
0025041 Canada thistle stem mining weevil Ceutorhynchus litura
0025011 St. John's wart midge Zeuxidiplosis giardi galls containing larvae
0025029 musk thistle head weevil Rhinocyllus conicus encased eggs on the back of a flower head
0025030 musk thistle head weevil Rhinocyllus conicus in the flower head
0022029 bronze knapweed root borer Sphenoptera jugoslavica on seed head
0024026 Canada thistle stem gall fly Urophora cardui gall in stem
0025031 musk thistle head weevil Rhinocyllus conicus in the stem
0022028 bronze knapweed root borer Sphenoptera jugoslavica
0023026 St. Johnswort beetle Chrysolina hyperici feeding on plant
0023022 St. John's Wort Inchworm Aplocera plagiata
0021058 bronze knapweed root borer Sphenoptera jugoslavica on flower
0021046 knapweed seedhead moth Metzneria paucipunctella on stem
0025008 leafy spurge gall midge Spurgia esulae
0024022 Canada thistle stem mining weevil Ceutorhynchus litura
0025005 spurge hawkmoth Hyles euphorbiae
0025019 St. John's wort beetle Agrilus hyperici
0025006 leafy spurge stem boring beetle Oberea erythrocephala
0023025 St. Johnswort beetle Chrysolina hyperici on leaf
0023075 musk thistle head weevil Rhinocyllus conicus encased eggs on the back of a flower head
0025009 leafy spurge gall midge Spurgia esulae gall containing larvae and pupae
0023018 St. John's wort beetle Agrilus hyperici After shot of test area
0025007 leafy spurge stem boring beetle Oberea erythrocephala in root
0026014 root-boring weevil Hylobius transversovittatus a member of the "Stillwater Project" inserting eggs into stems at a research site
0025085 black dot spurge flea beetle Aphthona nigriscutis Release at a Pilot Project Research site
0025087 black dot spurge flea beetle Aphthona nigriscutis using a sweep net to adults
0025078 black dot spurge flea beetle Aphthona nigriscutis release site showing this biocontrol agents effects at N- Bar ranch
0025081 musk thistle head weevil Rhinocyllus conicus collection
0025076 black dot spurge flea beetle Aphthona nigriscutis release site showing this biocontrol agents effects at N- Bar ranch
0025077 black dot spurge flea beetle Aphthona nigriscutis release site showing this biocontrol agents effects at N- Bar ranch
0025075 black dot spurge flea beetle Aphthona nigriscutis release site showing this biocontrol agents effects at N- Bar ranch
0025074 black dot spurge flea beetle Aphthona nigriscutis release site showing this biocontrol agents effects at N- Bar ranch
0025034 musk thistle flower fly Cheilosia corydon at a release
0024045 black dot spurge flea beetle Aphthona nigriscutis release
0024044 brown dot leafy spurge flea beetle Aphthona cyparissiae research site
0024043 musk thistle head weevil Rhinocyllus conicus examining release site
0023078 musk thistle head weevil Rhinocyllus conicus after release
0023077 musk thistle head weevil Rhinocyllus conicus before release
0023017 St. John's wort beetle Agrilus hyperici Before shot of test area
0022043 stem-gall nematode Subanguina picridis (light microscope photo), biocontrol agent of Russian Knapweed
0022018 knapweed seedhead moth Metzneria paucipunctella on knapweed stem
0022019 knapweed seedhead moth Metzneria paucipunctella on knapweed stem
0022020 knapweed seedhead moth Metzneria paucipunctella on knapweed flower head
0022021 knapweed seedhead moth Metzneria paucipunctella pupa (left) and larva (right) in knapweed sead head
0022022 knapweed seedhead moth Metzneria paucipunctella on knapweed seed head
0021047 knapweed seedhead moth Metzneria paucipunctella and pupa in seed head
0021051 banded gall fly Urophora affinis
0021061 brown-winged knapweed moth Pterolonche inspersa attack knapweeds
0023019 St. John's Wort Inchworm Aplocera plagiata biocontrol agent of St. Johnswort
0023030 St. John's wart midge Zeuxidiplosis giardi a biocontrol agent of St. Johnswort
0023100 leafy spurge stem boring beetle Oberea erythrocephala a biocontrol agent of Leafy Spurge
0023085 minute spurge flea beetle Aphthona abdominalis Aphthona abdominalis (left) and Aphthona cyparissiae (right), biocontrol agents of Leafy Spurge
0025010 leafy spurge gall midge Spurgia esulae larvae and pupae in gall
0025012 St. John's Wort Inchworm Aplocera plagiata a biocontrol agent of St. Johnswort
0025047 black dot spurge flea beetle Aphthona nigriscutis roots, one healthy and one damaged by larval feeding
0025048 copper leafy spurge flea beetle Aphthona flava after shot of research site
0025055 klamathweed beetle Chrysolina quadrigemina a biological control agent of St. Johnswort displaying red underwings
0025057 St. John's wort beetle Agrilus hyperici in root
0025067 copper leafy spurge flea beetle Aphthona flava before shot of research site
0025068 copper leafy spurge flea beetle Aphthona flava after shot of research site
0025086 leafy spurge stem boring beetle Oberea erythrocephala using sweep net to collect adults
0025100 musk thistle head weevil Rhinocyllus conicus exiting flower head

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