New leafhopper species of Jikradia from Mesoamerica with new records, revised key to species, distribution, origin, and checklist (Hemiptera: Cicadellidae: Coelidiinae: Teruliini) von Nielson, Mervin W, Zack, Richard S, Poggi, Francesco, Nickel, Herbert

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New leafhopper species of Jikradia from Mesoamerica with new records, revised key to species, distribution, origin, and checklist (Hemiptera: Cicadellidae: Coelidiinae: Teruliini) von Nielson, Mervin W, Zack, Richard S, Poggi, Francesco, Nickel, Herbert

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Distributional patterns and possible origins of the tribes and genera of Coelidiinae (Homoptera, Membracoidea, Cicadellidae) von Nielson, Mervin W, Knight, William J, Zhang, Yalin

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Distributional patterns and possible origin of leafhoppers (Homoptera, Cicadellidae) von Nielson, Mervin W., Knight, William J.

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A Revision of the Genus Spathanus Delong (Homoptera: Cicadellidae) von Ellsbury, Michael M., Nielson, Mervin W.

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Sesquiterpene Progenitor, Germacrene A: An Alarm Pheromone in Aphids von Bowers, William S., Nishino, Chikao, Montgomery, Michael E., Nault, Lowell R., Nielson, Mervin W.

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NEW LEAFHOPPER SPECIES OF COELIDIA WITH A REVISED KEY AND NOTES ON HOMONYMY AND DISTRIBUTION (HOMOPTERA: CICADELLIDAE, COELIDIINAE) von Nielson, Mervin W.

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Alarm pheromone of the spotted alfalfa aphid,Therioaphis maculata buckton (Homoptera: Aphididae) von Nishino, Chikao, Bowers, William S., Montgomery, Michael E., Nault, Lowell R., Nielson, Mervin W.

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Walter Edwin Peay 1907–1975 von Nielson, Mervin W., Dorst, Howard E., Brindley, Tom A., Knowlton, George F., Hills, Orin A.

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PREFACE von Nielson, Mervin W., Blocker, H. Derrick, Freytag, Paul H., Hepner, Leon W., Kramer, James P., Ruppel, Robert F.

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