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Arnold T. Drooz's Images

Title: Retired
Organization: USDA Forest Service
Country: United States
Remove Filters: Hymenoptera(X)
16 Images of 7 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
4060060 larch sawfly Pristiphora erichsonii Laporte, Minnesota (Garfield plot) about 50% defoliation in the end of July 1953; after 3 successive years complete defoliation
4060061 larch sawfly Pristiphora erichsonii defoliation in northern Minnesota in July 1953
4060074 blackheaded pine sawfly Neodiprion excitans pupal cases both emerged with ends of cases missing and parasitized with hole in side of case
4060063 larch sawfly Pristiphora erichsonii with 5th instar larvae, Cass Lake, Minnesota July '53
4060076 blackheaded pine sawfly Neodiprion excitans
0014313 ants tending scales
0284094 sawfly parasitic wasp Monodontomerus dentipes stinging a cocoon of the introduced pine sawfly
4060025 redheaded pine sawfly Neodiprion lecontei emerging from cocoon
4060072 larch sawfly Pristiphora erichsonii stung by parasite
4060077 blackheaded pine sawfly Neodiprion excitans oviposition damage
4060078 blackheaded pine sawfly Neodiprion excitans in bark crevices on trunk
4060086 ants, bees, sawflies, wasps, and allies family nest
4060064 larch sawfly Pristiphora erichsonii pupal cases
4060022 honey bee Apis mellifera hive on red gum in Cary, North Carolina
4060023 redheaded pine sawfly Neodiprion lecontei Levy Co., Fla
4060024 redheaded pine sawfly Neodiprion lecontei

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