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Upper Midwest Stem Insect Survey
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Introduction
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Cohabitation
Parasitoids
Predators
Exit holes
Stem stumps
(image gallery)
Stem stumps
(external audio file)
Larvae turning around in their tunnels
Grazers vs. borers
(external audio file)
Shreddings
(external audio file)
Exit strategies
(external audio file)
Stem insects of
Ageratina altissima
(white snakeroot)
Stem, rachis, midrib, and petiole miners of American bellflower
Pseudopostega
in
Agastache nepetoides
Pseudopostega
in
Blephilia hirsuta
Pseudopostega
in
Mentha
Pseudopostega
in
Monarda fistulosa
Pseudopostega
in
Lycopus
Opostegoides scioterma
in
Ribes
Biology of
Pseudopostega
species in Europe
by E. van Nieukerken
Host associations, feeding traces, larval morphology, and other observations on the life histories of culm borer flies in the genus Thrypticus (Diptera: Dolichopodidae) from the Upper Midwest, USA
Thrips (Thysanoptera) associated with cavities in plant tissue
Some insects associated with weedy non-native and invasive plants
Distinct larval forms in heliozelid galls on
Parthenocissus
: weevil inquiline or advanced metamorphosis?
Beetle borers (Coleoptera) in stems and midribs of
Cryptotaenia canadensis
Internal feeders (Diptera) in petioles and underground parts of
Viola
Browse by Hostplant
Preliminary findings from a survey of endophagous insects in plant stems and stemlike structures from the Upper Midwest, USA
(PDF)
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Page created: February 12, 2026. Last update: September 10, 2026