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Inventing the Wheel(Bug)
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Transcript of Inventing the Wheel(Bug)
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Inventing the Wheel(Bug)
Derek Hennen
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Why the Wheel Bug?
• Well I have this friend with a gas can…
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So…Assassin Bugs?
• Yes, Assassin Bugs!• Family Reduviidae, 150 species north of
Mexico– Worldwide: 6600+ species– Found at forest edges, fields
• Predaceous on a wide variety of invertebrates– Ambush predators– Some are active hunters
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Diversity
• 25 subfamilies (11 in US), including:• Harpactorinae
Zelus luridus
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Diversity
• Harpactorinae
Rocconota annulicornis
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Diversity• Ectrichodiinae
Rhiginia cruciata
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Diversity• Emesinae – Thread-legged Bugs
Emesaya brevipennis
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Diversity
• Peiratinae - Corsairs
Melanolestes picipes
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Diversity
• Phymatinae – Ambush Bugs
Phymata pennsylvanica
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Close Encounters
• Ranges poorly known• To fix this…
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Close Encounters
• Predators generally = lower numbers• Don’t be deterred! Many attracted to light• Or turpentine…
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At Last!
The Wheel Bug - Arilus cristatus
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First Impressions
• Its robotic movements and not-so-cuddly looks give it a bad rap
• For example…• http://www.wtae.com/video/29732251/detail
.html
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Bad to the Bone
• Obviously, a wasted educational opportunity• When do wheel bugs enter into the public
eye?
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From Hagerty AM & McPherson JE. 2000. Life history and laboratory rearing of Arilus cristatus (Heteroptera: Reduviidae) in southern Illinois. Florida Entomologist. 83(1): 58-63.
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Backyard Biology
• Relatively common, if you keep your eyes open
• Should we be afraid of this common BLOOD THIRSTY ASSAULT ON OUR HOMESTEADS?!
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• Well, of course not. But why?
• What’s so great about our friend, the wheel bug?
And more importantly,
could you love a face like this?
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Yes, yes you can.
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Baby Wheel Bugs!
http://bugguide.net/node/view/8347
http://freepages.misc.rootsweb.ancestry.com/~larsonmorgan/True%20Bugs/Wheel%20Bug%20nymph%20%28Arilus%20cristatus%29%202.jpg
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Ecology of the Wheel Bug
• Big predator = big prey (well, larger prey)– Flies– Beetles– Caterpillars– Honey Bees– Does not discriminate
• Quickly dispatches prey?
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About that wheel…
http://bugguide.net/node/view/34568
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Mating
• Looks comfortable
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Excuse me!
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The Aftermath: Fancy Wine Bottles
165+25.....
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Unfortunately, none hatched.
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But that’s not the end of our story!
• In a few months, we’ll have beautiful wheel bugs again!
• If you find one, watch it for a while and gain a better appreciation for it.– One of the most beautiful things I’ve ever seen?
An insect leg.
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To learn more…
• BugGuide.net• ProjectNoah.org• Normal Biology– normalbiology.blogspot.com
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ADVENTURE IS OUT THERE!