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Brown Marmorated Stink Bug

Brown Marmorated Stink Bug

Subject: what’s that bug
Location: Stockton CA
October 10, 2014 11:05 am
I live in Stockton CA, about 35 miles south of Sacramento. These bugs just started appearing in my home about a week ago. They vary in size, this one about the size ofa quarter. They can fly a bit. Saw another one about 2 inches, didn’t look quite the same but I think it was.
Thanks for any help you can give.
Signature: Lisa

Hi Lisa,
Accidentally introduced into North America from China in the last years of the twentieth century, the Brown Marmorated Stink Bug is now well established in much of North America, having made an appearance in California just recently.  According to BugGuide, Brown Marmorated Stink Bugs are “Highly polyphagous, reported on ~300 plant spp. in its native range; feeds mostly on fruit, but also on leaves, stems, petioles, flowers, and seeds. Damage typically confined to the fruiting structures.”
  Though it poses a significant agricultural threat, the Brown Marmorated Stink Bug seems to draw the most attention from its habit of entering homes to hibernate when the weather begins to cool.

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Wheel Bug

Wheel Bug

Subject: Identify bug
Location: West Tennessee
October 11, 2014 7:55 pm
In the yard. Don’t know what it is.
Signature: Mike

Hi Mike,
Because of its highly distinctive outline, including the coglike projection on the thorax, it is unlikely that an adult Wheel Bug will be confused with any other North American insect.  Wheel Bugs are in the predatory Assassin Bug family and they should be handled with caution since a painful bite might result from careless handling.

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Western Conifer Seed Bug

Western Conifer Seed Bug

Subject: Bug for identification
Location: Seattle, WA
October 10, 2014 7:09 pm
I live in Seattle, Washington and we have had a warm summer for us (80 degree days) and we are now entering our fall season and the temperature has dropped to the 70’s. I have had a few of these bugs at my house and many of my friends on Facebook have said they have them too and none of us know what they are and are hoping you can help us! We appreciate any information you can provide!!
Thank you!
Signature: Brenda

Dear Brenda,
The Western Conifer Seed Bug,
Leptoglossus occidentalis, is a native species to the Pacific Northwest, but beginning in the 1960s, perhaps due to increased mobility and travel, the range began to expand.  The Western Conifer Seed Bug is now well established in much of the northern part of North America, and in the early part of the 21st century, it became established in Europe as well.  Western Conifer Seed Bugs often go unnoticed until weather begins to cool and they enter homes to hibernate.

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Subject: Poisonous to Humans?
October 11, 2014 3:37 am
I just had to destroy all my Tomato plants because of a mass infestation of HUGE  Leaf Footed Plant
Bugs. There were 7-8 of these bugs on ONE Tomato–many Tomatoes.  I only had 7 Tomato Plants in containers, but they COVERED them all. I live in the desert of Las Vegas, Nevada, and everything I’ve read about them says they are not on this side of the country! The Nevada Extension says they are rare, but not unheard of.   They are now on my Bell Peppers, though not nearly as many.
However, I cannot find out if the toxic enzyme that they inject into the fruit , also allowing pathogens into the fruit safe for human consumption.  I can’t see any obvious damage, and I am very diligent about keeping them off the Bell Peppers.  I don’t want to get myself or family sick. Do you know if they’re poisonous?
Your quick response would be greatly appreciated.     Thank You,  Diane Huff
Signature: Diane Huff

though the damage to fruit is unsightly, and probably does not taste very good, to the best of our knowledge, the enzymes injected will not negatively affect the health of a human.

Dear Mr. Marlos,
Thank you so very much for your VERY quick reply!  You’re the first person to commit to any other reply than, ” I don’t know”.
I feel much better about preparing my family a Stuffed Pepper dinner, with a salad containing raw peppers.
What do you know about “Anthracnose” fungus on Bell Pepper leaves? I know that’s not a bug, and I see NO lesions on the peppers
like I see in all the photos that I’ve researched online.  The small damage is only on the leaves and maybe a tiny bit on a mark
on a very few of the peppers.
I probably have no right to ask you about fungi, but all I get everywhere else is “I don’t know”. If you do not, I figured it couldn’t
hurt to ask, could it?      Sorry if it is…
Again, I thank you so very much—you’re the best!!!
Diane Huff

Hi Diane,
We actually gave you a very quick response without any research, and now we feel we need to remedy that.  We hunted our archives to find appropriate images to illustrate your questions since you did not provide any images.  We can tell you that we personally have eaten pomegranates that fed Leaf Footed Bugs, and we did not suffer any ill effects, though we did not eat the parts of the fruit that looked bad, dried out and generally unappetizing.  We have been buying oranges that are eerily dry in some parts, and we suspect that Leaf Footed Bugs might be the cause, but since we just juice the oranges, and we don’t have to eat the dried parts, other than getting less juice from an orange, we haven’t noticed a difference in flavor.
  We don’t know anything about the fungus, but perhaps one of our readers will comment.


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Subject: Huge Canadian Bug
Location: Nova Scotia, Canada
October 9, 2014 5:18 pm
I was out hunting in the woods today and accidentally stepped on this huge bug (God bless)! I’m very curious as to what it was. The current temperature is around 10 degrees Celsius as we’re right into the fall season.
Signature: Logan

Giant Water Bug

Giant Water Bug

Dear Logan,
This impressive creature is a Giant Water Bug or Toe-Biter.  Toe-Biters are aquatic predators that can also fly, so they can move from pond to pond or seek a new watery habitat if their home dries out.

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Stink Bug Nymph

Green Stink Bug Nymph

Subject: Black with yellow stripes
Location: Near Toronto
October 8, 2014 5:45 pm
I found this bug outside my front door and can’t identify it. It is Fall, found it mid day and it is about the size of a dime. I live close to a wooded area just outside of Toronto. Thanks!
Signature: Lindsay

Hi Lindsay,
We followed a lead to the Featured Creatures page on the Green Stink Bug, and though the fifth instar nymph of the Green Stink Bug,
Chinavia hilaris, pictured looks similar to your individual, the coloring was not an exact match, but upon checking BugGuide, we did locate several individuals with the colors and pattern of the individual in your image.  According to BugGuide, the Green Stink Bug is “extremely polyphagous: recorded from 20 plant families(5); adults and older nymphs prefer developing seeds and fruit. May be a pest on soybean, cotton, fruit trees (esp. peach), and many vegetables” and it is “the most commonly encountered stink bug in NA”, though that might have been written prior to the spread of the invasive Brown Marmorated Stink Bug.

That’s great, thanks Daniel.

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What's That Bug? does not endorse extermination