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    Two Types of Aggregation Grouping in the Large Milkweed Bug, Oncopeltus fasciatus (Hemiptera: Lygaeidae)

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    Subject
    Milkweed Bug; Aggregation Grouping; Oncopeltus; Hemiptera; Lygaeidae; apsomoatic; microclimate
    Author
    Kutcher, Steven R.
    Journal Title
    Scas: Bulletin of the Southern California Academy of Sciences
    Volume
    70
    Issue
    scas/vol70/iss2; 2
    Metadata
    Show full item record
    URI
    https://scholar.oxy.edu/handle/20.500.12711/11005
    Abstract
    Two types of grouping behavior, parallel and linear groups, in the large milkweed bug Oncopeltus fasciatus (Dallas) seem to have survival value. Grouped bugs receive mutual benefit from the ability to perceive stimuli from more directions and are usually touching each other. Color pattern and uniformity of direction causes a striking pattern in aposomatic insects. A combination of the shape of the bugs, limited areas for grouping on the plant, and microclimates have influences on the type and shape of aggregations. Aggregation may also be influenced by the substrate, position of the heat or light source, and changing behavioral and physiological stages of the bug.
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