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Insect and Spider Identification: Wheel Bug?

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    Communities > Forums > Insect and Spider Identification
    Forum: Insect and Spider IdentificationReplies: 6, Views: 35
    AuthorContent
    fozzi
    Blairstown, NJ

    October 15, 2012 7:49 AM

    Post #9305765

    I'm pretty sure this is a wheel bug, but can anyone tell me what the red protuberance is? As I was photographing him , I tried moving him with a leaf to get a better shot, and the insect moved the red things in and out.

    Thumbnail by fozzi
    Click the image for an enlarged view.

    Flapdoodle
    Minot, ND

    October 15, 2012 11:56 AM

    Post #9306108

    Yes, this most definitely is a wheel bug (Arilus cristatus).

    themoonhowl

    themoonhowl
    Prairieville, LA (Zone 9a)

    October 15, 2012 2:33 PM

    Post #9306286

    I think the protuberances are scent sacs...

    http://bugguide.net/node/view/701135/bgimage
    fozzi
    Blairstown, NJ

    October 15, 2012 3:14 PM

    Post #9306321

    Thank you both for your help.

    themoonhowl

    themoonhowl
    Prairieville, LA (Zone 9a)

    October 15, 2012 3:22 PM

    Post #9306326

    You are most welcome
    Flapdoodle
    Minot, ND

    October 16, 2012 12:09 AM

    Post #9306686

    The red protuberances are mites, either phoretic ('hitchhiking) or parasitic; not scent glands.

    themoonhowl

    themoonhowl
    Prairieville, LA (Zone 9a)

    October 16, 2012 8:00 AM

    Post #9306941

    Sorry, Id'ing as "scent sacs" came from an article...and the same info is included in a number of other articles also.

    "Scent sacs: Garman (1916) and Froeschner (1944) noted that wheel bugs, when captured, extrude (with little provocation) a pair of bright, orange-red scent sacs near the apex of the venter. These sacs give off a pungent scent. "

    http://livingwithinsects.wordpress.com/2012/07/22/wheel-bug-...

    http://www.freshfromflorida.com/pi/enpp/ento/entcirc/ent143...

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