Currently viewing the category: "Plant Bugs"
What's That Bug? does not endorse extermination

Unknown colorful “true bug”
June 8, 2010
These are some old photos I came across that were taken in July 2007 of unknown bugs feeding on seed pods of an unknown plant. I can’t find anything like them in your archives.
At the bottom
South Carolina

Scentless Plant Bug: Niesthrea louisianica

Dear At the bottom,
My you sure have a funny name.  These are Scentless Plant Bugs in the family Rhopalidae.  The species is Niesthrea louisianica, and the species has no common name.  We have posted images in the past, most recently this letter in September 2009.  According to BugGuide it:  “Feeds on flower buds and seeds of plants in the Mallow family (Malvaceae), such as Hibiscus and Rose of Sharon.

Thanks for the quick reply.  I had looked at all the images in the category
“Aphids, Scale Insects, Leafhoppers, and Tree Hoppers”, which was the only one
that I noticed on the list on the left that I thought likely to contain them.

What's That Bug? does not endorse extermination

Huge amount of bugs on rose bush.
May 27, 2010
There are hundreds of these appeared on one of my rose bushes. Can you tell me what it is and what I should do ? Is it harmful to my bush ?
Barbara W
Greenville, Texas 75401

Boxelder Bugs

Dear Barbara,
These are Boxelder Bugs, and other than them being numerous and an annoyance at times, they are harmless to your plants.  We have never heard of them aggregating on rose bushes, since they feed on the seeds of maple trees.  Perhaps they are just being opportunistic.

What's That Bug? does not endorse extermination

What’s This Bug
May 16, 2010
I live in Roanoke Rapids, NC which is right on I95 just before you reach the VA border. It has been in the 90s the last couple of days. When I returned home today from Weekend College my wife showed me two colonies of these bugs. What kind of bug are they? and do I have to worry about them?
Howard L. Bethany
Roanoke Rapids, NC

Eastern Boxelder Bugs

Hi Howard,
This is an aggregation of Eastern Boxelder Bugs, Boisea trivittata.  Both the winged adults and wingless nymphs feed on the seeds of boxelder and maples, but they do not harm the trees.  Most of our reports come in the autumn when large aggregations are formed and the adults sometimes enter homes to hibernate.  When Boxelder Bugs are extremely plentiful, they can be a nuisance, but they are not cause for alarm.  You can read more about Boxelder Bugs on Bugguide.

What's That Bug? does not endorse extermination

box elder bug love
May 5, 2010
Not sure if you are interested in another one,but here is a picture of mating box elder bugs from our local playground. My 3 year old wanted to know why they had 2 heads, which evolved into a very interesting conversation….
Bridgewater, NJ

Mating Boxelder Bugs

Hi Sara,
Thanks so much for sending us your photo of mating Eastern Boxelder Bugs, Boisea trivittata.  We are happy to post it.

What's That Bug? does not endorse extermination

one of MANY bugs in my yard
April 25, 2010
Hi and thanks for providing such an informative website! I live on acreage (digger pines and oaks) in the Sierra foothills and have noticed a BUNCH of these bugs milling about. What the heck are they? I am allergic to the Western Bloodsucking Conenose but don’t think that this one bites. Well, at least it hasn’t bit me yet. I noticed these guys in the spring-like weather. Any information is much appreciated. ALSO, just so you know, the dent on this bug’s back was not caused by my hand (or foot) – don’t know how it received it’s injury but that hasn’t impeded it’s ability to get around at all. Thanks again!
Penn Valley, CA

Bordered Plant Bug

Hi Pam,
Your bug is a Bordered Plant Bug in the family Largidae and the genus Largus, and it is most likely Largus californicus.  According to BugGuide it feeds upon:
Mostly plants (flowers, leaves, fruit) from a range of families, with a preference for Lupines. L. californicus is not considered a ‘pest species’ of economic importance.

What's That Bug? does not endorse extermination

What is this Beetle in Vancouver, WA
April 6, 2010
My husband’s brother in Vancouver, WA had many of these beetles on the back of his house, on the windows, deck etc. I thought he’d appreciate my finding out what they are and if they should be concerned or happy. Thank you.
Just found your web site and it is wonderful!
Vancouver, WA

Western Boxelder Bugs

Dear Annette,
These are not beetles, but rather, they are True Bugs, Western Boxelder Bugs to be exact.  The Western Boxelder Bug, Boisea rubrolineata, is found west of the Rocky Mountains.  According to BugGuide, they:  “Feed on a variety of mostly woody plant species, but Boxelder (Acer negundo), Silver maple (Acer saccharinum), and other maples (Acer spp.), as well as Golden Rain Tree (Koelreuteria spp.) are favorites. Ash (Fraxinus spp.) is listed as a common host in literature, but it is usually not a favorite. Flowers and young seeds are prefered, so female trees often support larger populations; however, they also feed from foliage, at sap that leaks from wounds on branches and trunks, and from seeds on the ground. They will sometimes feed on trees of the Rose Family (such as Malus, Pyrus and Prunus), and rarely they may cause some minor damage to commercial fruit crops. They are recorded to feed on plants as diverse as Grass, Alfalfa, and Potatoes. It is even common to see them gathered and sucking fluids from other substances such as discarded human food, or smashed insects such as Grasshoppers and particularly Roaches.
”  Western Boxelder Bugs, and their relatives to the east, the Eastern Boxelder Bugs, Boisea trivittata, are not considered to be pest species, but they can become a nuisance when they are extremely plentiful.  Both species may seek shelter indoors when the weather turns cooler.

What's That Bug? does not endorse extermination