EFFECTS OF PHEROMONE PLUME STRUCTURE AND VISUAL-STIMULI ON THE PHEROMONE-MODULATED UPWIND FLIGHT OF MALE GYPSY MOTHS (LYMANTRIA-DISPAR) IN A FOREST (LEPIDOPTERA, LYMANTRIIDAE)

被引：43

作者：

WILLIS, MA

DAVID, CT

MURLIS, J

CARDE, RT

机构：

[1] Department of Entomology, University of Massachusetts, Amherst, 01003, Massachusetts

[2] Cergue, Guernsey, Channel Islands, Saints Road, St. Martins

[3] Department of the Environment, Romney House, London, SW1P 3PY

来源：

JOURNAL OF INSECT BEHAVIOR | 1994年 / 7卷 / 03期

关键词：

FLIGHT; ORIENTATION; PHEROMONE; PLUME; VISION;

D O I：

10.1007/BF01989742

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

The pheromone-modulated upwind flight of Lymantria dispar males responding to different pheromone plume structures and visual stimuli designed to mimic trees was video recorded in a forest. Males flying upwind along pheromone plumes of similar structure generated tracks that were similar in appearance and quantitatively similar in almost all parameters measured, regardless of the experimentally manipulated visual stimuli associated with the pheromone source. Net velocities, ground speeds, and airspeeds of males flying in point-source plumes were slower than those of males flying in the wider, more diffuse plumes issuing from a cylindrical baffle. The mean track angle of males flying in plumes issuing from a point source was greater (oriented more across the wind) than that of males flying in plumes issuing from a transparent cylindrical baffle. Males flying in point-source plumes also turned more frequently and had narrower tracks overall than males responding to plumes from a cylindrical baffle. These data suggest that L. dispar males orienting to pheromone sources (i.e., calling females) associated with visible vertical cylinders (i.e. , trees) use predominantly olfactory cues to locate the source and that the structure of the pheromone plume markedly affects the flight orientation and the resultant track.

引用

页码：385 / 409

页数：25

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