Phototactic and geotactic responses inAllothrombium pulvinum larvae (Acari: Trombidiidae) |
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| Authors: | Zhi-Qiang Zhang |
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| Institution: | (1) Department of Entomology, Cornell University, Comstock Hall, 14853 Ithaca, NY, USA |
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| Abstract: | Phototactic and geotactic responses of larvae ofAllothrombium pulvinum Ewing were examined in the laboratory.Allothrombium pulvinum larvae showed positive phototaxis and negative geotaxis. Positive phototaxis and negative geotaxis in larvalA. pulvinum and other trombidioids are adaptive, because these mechanisms help mites that hatch in dark soil to find hosts on plants above ground in the light. |
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