CLOSED: ID Please Beetle's ?

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princessnonie New Caney, TX(Zone 8b) Sep 06, 2006

Are these plant beetles..
I looked on Bug net and they sort of look like Dascilloidea, but I'm not sure..
Is this "togetherness" mating behavior or do they just happen to be on the same leaf..?
They were on a Rosebush in Southeast Texas

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princessnonie New Caney, TX(Zone 8b) Sep 06, 2006

Or is it a leaf footed bug of some kind ?

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lwhalliday Pittsboro, NC(Zone 7a) Sep 07, 2006

See if this is your bug:

http://davesgarden.com/bf/go/552/

I think the difference in lighting causes the colors to look a bit dissimilar, but it looks like the same guy to me.

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princessnonie New Caney, TX(Zone 8b) Sep 09, 2006

The front part certainly looks the same..
The bodies on mine are more elongated and don't have the scalloped edges though..
Maybe they're older?

Thanks for the Hyperlink

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hill5422 Stephenville, TX(Zone 8a) Sep 09, 2006

You're right princess N., they are leaf footed bugs, but they are still nymphs. They look like last instar Leptoglossus, perhaps L. oppositus or L. phyllopus. The Acanthocephala are mainly tree feeders, except for A. femorata and I am pretty sure these are not that species. See:
http://bugguide.net/node/view/69237/bgimage
for a picture of a last instar L. oppositus nymph.

All the stink bugs that I am familiar with will aggregate. The 'stink' serves two purposes: first it's an alarm pheromone. If a bug starts stinking it is usually under attack and all the other bugs will scatter. Second, the scent glands are not perfect at holding in the scent and so a little is always leaking out. At low levels, it serves as the aggregation pheromone and is how the bugs find one another, both for good feeding sites and to find mates. Since they have the alarm system also, there is also safety in numbers. If the attacker is not a spider or assassin bug, the scent is a powerful repellant, full of noxious alcohols. If you've ever watched a puppy or kitten encounter their first stink bug (somehow it always seems to be a squash bug) they look like they've been maced. It wears off quickly but the memory sticks, which is why adult dogs and cats never mess with them.

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princessnonie New Caney, TX(Zone 8b) Sep 09, 2006

Hmmm..
Thanks for the information and Hyperlink..
I looked for them today but they were gone..

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