The Great Lakes Entomologist
@inproceedings{Oldenkamp2018TheGL, title={The Great Lakes Entomologist}, author={Ricki E. Oldenkamp and Matthew M. Douglas}, year={2018} }
In this study we show that in South Central Michigan (Pierce Cedar Creek Institute) eight ant species patrol bracken fern (Pteridium aquilinum) during the sensitive crozier growth stage. At times these ants remove herbivorous insects from rapidly expanding fronds. A new method for analyzing herbivory of bracken fern is employed to measure chewing damage to the fronds. Our results show that ants do in fact remove some herbivores from bracken fronds during the crozier stage; however, statistical…
3 Citations
Local and landscape scale drivers of Euschistus servus and Lygus lineolaris in North Carolina small grain agroecosystems
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These results reveal the influence of soybean area planted the previous year on insect pest densities the following spring in wheat and suggest agricultural landscapes dominated by wheat are associated with decreased pest abundance across the sampled region.
Comparing functional traits and abundance of invasive versus native woodwasps
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It is hypothesize that the future abundance of S. nigricornis could depend in part on the availability of wood for oviposition by this native that is not available or acceptable to the earlier-emerging S. noctilio.
A new species of Behningia Lestage, 1929 (Ephemerotera: Behningiidae) from China.
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A new species of sand-burrowing mayfly (Ephemeroptera: Behningiidae), Behningia nujiangensis Zhou Bisset, is described based on more than 50 nymphs collected from the Nujiang River in Yunnan…
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It is proposed that low ant density on the fronds is the primary factor limiting the occurrence of mutualism between bracken and ants in nature.
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It was found that in fronds which escaped attack until after reaching maturity there was a significant negative correlation between tannin concentration in the frond and the amount of damage experienced, which supports the generally accepted assumption that herbivory has been a selective force in the evolution of tANNin as a defensive substance.
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Testing in a protective mutualism between a guild of desert ants and the barrel cactus Ferocactus wislizeni supports the predictions of the "deficit" hypothesis, wherein plant protection is elicited by plant-mediated dietary imbalances.
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