Western Conifer Seed Bug vs Kissing Bug: Identifying Key Differences

folder_openHemiptera, Insecta
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When it comes to identifying insects, sometimes it can be a bit tricky, especially when two species share some similarities. In this article, we’ll take a closer look at two such bugs: the western conifer seed bug (WCSB) and the kissing bug. Both of these insects belong to the true bugs category, but they have distinct differences as well as unique interactions with their surroundings.

Western conifer seed bugs are herbivorous insects that primarily feed on conifers such as pines, spruces, hemlocks, and Douglas fir. While their feeding habits do not impact the health of the trees they consume, these bugs can be a bit bothersome when they find their way into homes. On the other hand, kissing bugs are large, dark brown, or black insects that can bite humans, sometimes causing allergies. These blood-sucking insects typically feed on rodents and other wild animals.

We’ll delve deeper into the characteristics of both western conifer seed bugs and kissing bugs throughout this article, examining their habitats, appearances, and behaviors. By the end, you’ll be better equipped to differentiate between these two true bug species so you can be well-informed and more prepared when encountering them.

Western Conifer Seed Bug vs Kissing Bug


The Western Conifer Seed Bug (WCSB) is about 3/4 inch in length and has a dull brownish color with a faint white zigzag stripe across its midpoint 1. It also has a flattened, leaf-like expansion on its hind legs 2. On the other hand, Kissing Bugs are characterized by six red-orange stripes along their sides and a similar body size 3.


WCSB are predominantly known as fall home invaders, often seeking shelter indoors during the colder months 1. However, they’re generally considered to be harmless to humans. Kissing Bugs, on the contrary, can transmit Chagas disease to humans through their bites.


The native habitat of Western Conifer Seed Bugs is western North America, but they have expanded their range eastward since the 1950s 1. They mostly feed on conifers, including various pines, spruces, hemlocks, and Douglas fir 1. Kissing Bugs are primarily found in Central and South America and thrive in rural and suburban environments with close proximity to their reservoir hosts, such as rodents, marsupials, and other mammals.

Feeding Habits

WCSB are herbivorous, feeding on conifers by piercing through cone scales into developing seeds4. Their feeding habits don’t impact the health of trees 1. Kissing Bugs are hematophagous, meaning they feed on the blood of their hosts. Their feeding behavior puts them in close contact with humans and poses a risk of Chagas disease transmission.

Physical Characteristics

Western Conifer Seed Bug

The Western Conifer Seed Bug (Leptoglossus Occidentalis) is an herbivorous insect that feeds on conifers like pines, spruces, hemlocks, and Douglas-fir trees 2. Let’s explore some of its distinguishing features:

  • Color: Reddish-brown body
  • Size: 5/8-3/4 inch long
  • Legs: Long, conspicuous back legs with a leaf-like structure on each one
  • Wings: White zig-zag line across the center

These insects are known for emitting a piney odor when handled 4.

Kissing Bug

The Kissing Bug, on the other hand, is from the Triatominae family and feeds on the blood of mammals, including humans. Some of the physical characteristics of a Kissing Bug are:

  • Color: Black or dark brown with red or orange markings
  • Size: 0.75 to 1.2 inches long
  • Legs: Six fairly slim legs
  • Abdomen: Flat and elongated with visible reddish markings

Kissing Bugs can transmit the parasite that causes Chagas disease through their feces.

Comparing Physical Features

Feature Western Conifer Seed Bug Kissing Bug
Color Reddish-brown Black/dark brown
Size 5/8-3/4 inch long 0.75 to 1.2 inches long
Legs Long, leaf-like hind legs Six slim legs
Wings or Abdomen pattern White zig-zag line Reddish markings

Now that you’re familiar with the physical characteristics of the Western Conifer Seed Bug and the Kissing Bug, you’ll have an easier time distinguishing them from each other.

Interaction with Humans

Home Invasion

Western conifer seed bugs and kissing bugs may find their way into your home, especially during colder months when they seek shelter. These insects enter through cracks, windows, or other openings. Kissing bugs are more likely to enter homes in spring, while western conifer seed bugs tend to invade during fall. Both of these insects can be categorized as nuisance pests, as they can be annoying for homeowners but do not usually pose any significant threat.

Potential Harm

When it comes to biting, kissing bugs are the ones to watch out for. These insects feed on blood and may choose to bite humans, sometimes causing allergic reactions. On the other hand, western conifer seed bugs are herbivorous, feeding on conifer trees and not posing any harm to humans through biting.

Comparison Table:

Insect Harm to Humans Feeding Habit
Western Conifer Seed Bug None Herbivorous
Kissing Bug Bites, Allergic Reactions Blood-sucking

Prevention and Control

To prevent kissing bugs and western conifer seed bugs from entering your home, consider taking the following steps:

  • Seal cracks and gaps around windows and doors.
  • Ensure screens on windows and doors are in good condition.
  • Keep outdoor lights turned off or use yellow bug lights to avoid attracting them.

If these home invaders are already inside, you can control their presence by:

  • Vacuuming or sweeping them up, then releasing them outside or disposing of them.
  • Using insecticides if the infestation is significant, but always follow the label instructions and consult a professional if necessary.

By taking these measures, you can protect your home from both western conifer seed bugs and kissing bugs, minimizing their interaction with you and your family.

Bug Control Recommendation Tool

What type of pest are you dealing with?

How severe is the infestation?

Do you require child/pet/garden safe treatments (organic)?

Are you willing to monitor and maintain the treatment yourself?

Misidentifications and Similar Species

The Western Conifer Seed Bug and the Kissing Bug are often mistaken for each other, as well as for other bugs such as the Stink Bug, Brown Marmorated Stink Bug, Boxelder Bugs, and Assassin Bugs.


Several of these bugs have similar shapes and colors, which can make it challenging to distinguish between them.

  • Boxelder Bugs share the red and blackish coloration of certain Kissing Bugs.
  • Assassin Bugs, like the Masked Hunter, have a similar size and shape to Kissing Bugs.

It’s essential to know the differences because some, like the Kissing Bug, have medical importance, whereas others, like the Western Conifer Seed Bug, are harmless nuisances.

Key Characteristics

To help identify these bugs, here are some key characteristics:

  • Kissing Bugs
    • Look for a slender body and checkerboard-like pattern on their wings.
    • Kissing Bugs are known to carry diseases.
  • Western Conifer Seed Bugs
    • They have a brownish color and a white zigzag pattern on their wings.
    • Their hind legs have a distinct leaf-like enlargement.
    • They don’t pose any health risk.

Keep in mind that Kissing Bugs are not found in the Midwest, which can also help you in some cases.

Comparison Table

Bug Slender Body Hind Leg Enlargement Zigzag Pattern Red & Black Coloration
Western Conifer Seed Bug No Yes Yes No
Kissing Bug Yes No No Yes
Brown Marmorated Stink Bug No No No Yes
Boxelder Bug No No No Yes
Assassin Bug Yes No No No

Using this information, you can differentiate between these bugs and take appropriate action. Remember, while some are harmless, others may require professional help.


In this section, we will discuss the differences between the reproduction processes of the Western Conifer Seed Bug (WCSB) and the Kissing Bug.

Western Conifer Seed Bug

  • WCSB females lay barrel-shaped eggs on the needles of host trees, usually from May to July.
  • These eggs are laid in rows and hatch into round nymphs.

Kissing Bug

  • Kissing Bug females lay oval, reddish-orange eggs on various surfaces, such as cracks or crevices in walls or furniture.
  • Nymphs hatch from these eggs and have a reddish-brown color, similar to the adult insects.

Here’s a comparison table to help you easily identify the differences between the two bugs’ reproduction processes:

Feature Western Conifer Seed Bug Kissing Bug
Egg Shape Barrel-shaped Oval
Egg Color Brown Reddish-Orange
Location of Laid Eggs Host tree needles Cracks or crevices
Time of Egg Laying May to July Varies
Nymph Appearance Round Reddish-brown

It’s essential to know the reproduction processes for each bug, as this can help you identify and manage them effectively. Remember, don’t confuse the harmless WCSB with the potentially harmful Kissing Bug.

Life Cycle Overview

In this section, you’ll learn about the life cycles of the Western Conifer Seed Bug (WCSB) and the Kissing Bug. Both insects have unique life cycles and understanding them can be helpful in identifying and managing them.

Western Conifer Seed Bug:

WCSB undergoes incomplete metamorphosis. Their life cycle has three stages: egg, nymph, and adult. Here are some key points in their life cycle:

  • WCSB lay eggs in the summer. They deposit eggs on host conifers, including various pines, spruces, hemlocks, and Douglas fir.
  • Nymphs emerge and go through five developmental stages before maturing into adults.
  • Adult bugs feed on conifer seeds during the late summer and early fall.
  • These bugs become noticeable during the fall as they search for overwintering sites. They often invade homes and structures, becoming a nuisance for humans.

Kissing Bug:

Kissing Bugs, unlike WCSB, undergoes complete metamorphosis. Their life cycle consists of four stages: egg, nymph, pupa, and adult. Some highlights of their life cycle include:

  • Eggs are laid during the summer months.
  • Nymphs emerge and feed on blood, primarily at night. They molt through five growth stages before becoming adults.
  • Adult Kissing Bugs are active during the early fall months, continuing to feed on the blood of animals and humans.
  • Most species of Kissing Bugs overwinter as adults or nymphs in sheltered areas, including rodent burrows and areas in and around houses.

Here is a comparison table of key features in their life cycles:

Aspect Western Conifer Seed Bug Kissing Bug
Metamorphosis Incomplete Complete
Stages Egg, Nymph, Adult Egg, Nymph, Pupa, Adult
Feeding Habit Herbivorous, feed on conifer seeds Hematophagous, feed on animal blood
Overwintering Primarily Adults Adults and Nymphs
Seasonal Activity Late Summer-Fall Summer-Fall

Geographical Distribution

Western Conifer Seed Bug

The Western Conifer Seed Bug (WCSB) is native to western North America, where they inhabit regions with coniferous trees such as pines, spruces, hemlocks, and Douglas firs. They spread eastward beginning in the 1950s and are now found throughout the United States.

In recent years, the WCSB has been introduced to Europe and can be found in various countries on the continent. The presence of these insects has been recorded even in distant places like Chile in South America.

Kissing Bug

Kissing Bugs, or Conenose bugs, are mainly found in the southern United States, Mexico, Central America, and South America. These insects are nocturnal, and predominantly feed on rodents or other wild animals. They may bite humans, and some people can develop allergies to their bites.

In the United States, the Kissing Bug is more commonly found in the Southwest and Northeast regions. Unlike the Western Conifer Seed Bug, Kissing Bugs have not been reported in Europe or distant regions like Chile.

Here’s a brief comparison of their geographical distribution:

Insect Native Regions Spread to Other Regions Present in Europe or Chile
Western Conifer Seed Bug Western North America United States, Europe, Chile Yes
Kissing Bug Southern United States, Mexico, Central and South America Limited to the Americas No

Overall, Western Conifer Seed Bugs and Kissing Bugs have different geographical distributions and habitats. WCSB is more widespread, while Kissing Bugs are primarily found in the Americas. Both insects’ presence is dependent on factors such as climate and availability of food sources.

Feeding Habits Impact

Western Conifer Seed Bug

Western conifer seed bugs feed on conifers, such as various pines, spruces, hemlocks, and Douglas fir1. They use their long mouthparts to pierce through cone scales into developing seeds2. The insect’s saliva softens or dissolves seed contents, which they then consume2. Their feeding habits do not impact the health of trees1, and the damage to seeds depends on the timing and duration of feeding2.

Kissing Bug

Kissing bugs feed on the blood of animals and humans4. They get their name from the tendency to bite people near their mouth. In comparison to the plant-eating western conifer seed bug, kissing bugs pose a risk to human health.

These bugs can transmit Chagas disease, a dangerous pathogen4. It’s essential to differentiate between the two insects as western conifer seed bugs pose no health risks1, while kissing bugs can transmit a potentially harmful disease4.

Feature Western Conifer Seed Bug Kissing Bug
Feed on Conifer seeds2 Blood (animals and humans)4
Damage Damage to conifer seeds^[2^] Bites near mouth and can transmit Chagas disease4
Disease None1 Chagas disease4


  1. https://extension.psu.edu/western-conifer-seed-bug 2 3 4 5 6 7 8 9
  2. https://www.maine.gov/dacf/php/gotpests/bugs/factsheets/wcsb-cornell.pdf 2 3 4 5
  3. https://extension.umd.edu/resource/kissing-bugs
  4. https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprd3833397.pdf 2 3 4 5 6 7

Reader Emails

Over the years, our website, whatsthatbug.com has received hundreds of letters and some interesting images asking us about these insects. Scroll down to have a look at some of them.

Letter 1 – Western Conifer Seed Bug with Mites


PA bug with eggs on his head?
Sorry I can’t even add any more than that. I’m totally skeeved out by bugs. It flys. One flew onto my friend’s desk and then another one on her window. And perusing your website just made me want to wrap in mosquito netting and saran wrap my house. Any clues about the bug?

Hi Nancy,
This appears to be a Western Conifer Seed Bug with a mild case of Mites. Mites will parasitize many other arthropods.

Letter 2 – Western Conifer Seed Bugs


Western Conifer Seed Bug
Thu, Nov 13, 2008 at 10:03 AM
The last week of October, I was outside and heard a loud, heavy buzzing by my ear. It was one of these guys flying by my head to land on the pine tree out back. I didn’t know what they were, but noticed that they seemed to be enjoying walking around on the sappy, green pine cones. Even though I am in Worthington, Ohio (just north of Columbus), I believe that they are Western Conifer Seed Bugs. Of course, I only figured that out after looking at this site!
Just thought that I’d share.
Love the site, keep up the great work!
Ed Huston
Worthington, Ohio

Western Conifer Seed Bugs
Western Conifer Seed Bugs

Hi Ed,
Over the years, we have received countless images of Western Conifer Seed Bugs, but to the best of our knowledge, your image is the first one that shows the Western Conifer Seed Bugs feeding on the seed cones of a conifer.  Thanks for your wonderful addition to our archive.  The Western Conifer Seed Bug has piercing/sucking mouth parts and they are most likely responsible for the oozing sap on the cone.

Letter 3 – Western Conifer Seed Bug killed because of a distant relative


Crawling on the TV in my Daughters room
January 15, 2010
I had woken up at around 3:30am and checked in on my daughter. When I turned on the light I saw this little example of mother nature crawling his way to wherever he was going. So I did what all mothers do when they feel thier children are in danger, and whacked it with a shoe till it stoped moving. I took a close look at it and realized it has a close resemblence to a kissing bug. Which got me very scarred. I like in a well maintained apartment building in Peekskill, NY and it’s the middle of January. Could it really be one of those nasty little blood suckers, or do I owe it a apology and a mtachbox burial. I am very concered because it was so close to my daughters bed. Please if someone could get back to me I would greatly appreciate it.
Sincerest thanks
Karla B. T. (surname withheld to preserve anonymity)
Peekskill, NY 10566

Western Conifer Seed Bug smashed with a shoe
Western Conifer Seed Bug smashed with a shoe

Hi Karla,
This is a Western Conifer Seed Bug, Leptoglossus occidentalis, one of the Leaf Footed Bugs that somewhat resemble another family, the Assassin Bugs, which includes the problematic Kissing Bugs or Bloodsucking Conenose Bugs in the genus Triatoma that may spread Chagas Disease.  You were astute to recognize the resemblance since they are in the same order of insects, Hemiptera, which includes all True Bugs.  The Western Conifer Seed Bug is a benign species that is native to the Pacific Northwest, but since the 1970s its range has increased greatly to include much of the Northeast and Canada, and very recently, portions of Northern Europe.  We are going to tag this entry as Unnecessary Carnage, and in order to prevent any retaliations, we are not including your surname in our posting in order to allow you to maintain anonymity.  We are doing this because we have received threats in the past from folks whose letters were tagged as Unnecessary Carnage that accused us of libel and warned us they would take legal action against us with frivolous lawsuits.  We do not blame you for your first reaction, and we understand your fear of a perceived threat.   We hope in the future you will recognize that Western Conifer Seed Bugs, which often seek shelter indoors as the weather cools, are benign, and then promptly relocate them rather than squashing them.  A matchbox burial would be sweet, but we think it is unnecessary.  We would happily restore your surname to the posting if you give us permission.

Letter 4 – Western Conifer Seed Bug may be using the postal service to increase its range!!!!


Western Conifer Seed Beetle
Location: Massachusetts
February 21, 2011 2:06 pm
I purchased a house in Massachusetts, about 20 miles from Boston. Not long after moving in, I began seeing one or two beetles, identified on your web site today (thank you!) as a western conifer seed beetle. Even in the winter months, I continue to see one or two, occasionally more, bugs appear daily. Where are they coming from? What can I do to eliminate them?
Thank you.
p.s. I tried to register on your web site, but that process failed each time.
Signature: Thank you

Western Conifer Seed Bug

Dear Dean,
The Western Conifer Seed Bug,
Leptoglossus occidentalis, was originally native to the Pacific Northwest, but its range expanded drastically in the late 1960s and early 1970s to include the Eastern portions of the US and Canada, where it is apparently quite happy.  Reports of Western Conifer Seed Bugs from Northern Europe began to appear in the early 21st Century.  After seeing your photo, we realize that the US Postal Service may be used to increase the range of the Western Conifer Seed Bug as well as probably other species.  Western Conifer Seed Bugs enter homes as the weather begins to cool.  They hibernate but will not cause any damage.  We are copying our ace webmaster to see if he can assist with the registration problem you are having.

Letter 5 – Western Conifer Seed Bugs found in Hungary


Subject: What’s that Bug?
Location: Hungary
October 25, 2013 2:47 pm
Hello! I’m looking for a bug name. Mostly I find this bug in the warmer rooms, it can fly. I think this is a cockroach, if so, what kind? I uploaded three photos. Thanks for your help!
Signature: Attila

Western Conifer Seed Bugs
Western Conifer Seed Bugs

Hi Attila,
Your photos are quite blurry, but the insects are unmistakably Leaf Footed Bugs in the family Coreidae, and they are most likely Western Conifer Seed Bugs,
Leptoglossus occidentalis, a species native to the Pacific Northwest which greatly expanded its range across North America, no doubt with the help of traveling humans.  In the early years of the 21st Century, it was also reported to have become established in Northern Europe.  Western Conifer Seed Bugs often enter homes to hibernate when the weather cools.

Letter 6 – Western Conifer Seed Bug killed in UK!!!


Subject: UK Unknown Bug
Location: London
February 26, 2014 8:23 am
Hi i just killed a bug that i saw and i have never seen anything like it in the UK i asked my family n friends and they have never seen anything like it too and i can’t find anything on it on the internet. hope you can identify it please?
Signature: Craig Tanner

Western Conifer Seed Bug
Western Conifer Seed Bug

Hi Craig,
The Western Conifer Seed Bug, is a North American species native to the Pacific Northwest.  As early as the 1960s, its North American range was greatly expanded, probably influenced by being able to stow away with the belongings of humans who are getting increasingly more mobile.  We learned that they were first documented in Northern Europe in the early years of the 21st millenium, and it appears that this Invasive Exotic species is now firmly established in the Old World.  British Bugs has additional information.

Letter 7 – Western Conifer Seed Bug is NOT Kissing Bug


Ed. Note:  Definition of Unnecessary Carnage
We here at What’s That Bug? have a long history of trying to educate the public about the importance of understanding and appreciating the complex interaction of all life on our planet, and the senseless killing of insects prompted us to begin our Unnecessary Carnage tag many years ago.  We also try to balance the perception of an actual threat from a potentially dangerous species as differentiated from merely killing an unknown creature.  We fully understand that households with curious small children might not want Black Widow spiders spinning webs in dark secluded places where children might play.  We understand that people who are allergic to stinging insects might not want Bald Faced Hornets nesting by the back door.  Right now Kissing Bugs are in the news, and we understand that media driven hysteria is prompting people to see similarities between the physiology of Kissing Bugs and other members of the suborder Heteroptera.  We are having a difficult time expecting people to read about the dangers of a bite from a Kissing Bug, and them not having the time to research the identity of a similar looking True Bug that they encounter, and sometimes killing and saving the suspected Kissing Bug is the only way to ensure safety.  Hopefully our response that the corpse is NOT a Kissing Bug will prevent the person from killing additional members of the benign species.  We consider such a reaction to be justifiable, and hopefully our educational efforts will eventually have a positive effect on the paranoia that is clearly pervasive at this time because of media coverage of Kissing Bugs.  Our personal message to Curious Girl on this subject is that we have to strike a balance and that sometimes killing a benign species can be considered justifiable or at least understandable.

Subject: Kissing bug?
Location: Northern ohio
November 29, 2015 7:05 am
We found this bug in our shed and are curious that it could be a kissing bug. We have two small children and want to make sure that they are safe.

Western Conifer Seed Bug
Western Conifer Seed Bug

Dear Amanda,
This is a Western Conifer Seed Bug, a benign species.  Though it has a superficial resemblance to a Kissing Bug, they are in fact different species from a different family that share some physical similarities because they are classified together in the suborder Heteroptera.  Generally we consider the senseless killing of benign species to be Unnecessary Carnage, but we understand that your actions are prompted by recent media coverage of the a potentially serious bite from a Kissing Bug.

Letter 8 – Western Conifer Seed Bug, NOT Kissing Bug


Subject: Kissing bug?
Location: Solon Iowa
December 1, 2015 10:44 am
Found this one hanging out by my door I was thinking it was just a harmless assassin bug because I am located in the middle of Iowa and haven’t heard of the dangerous kissing bug making it to Iowa. Could you comfirm for me which it is?
Signature: to Curious Bug Lover

Western Conifer Seed Bug
Western Conifer Seed Bug

Dear Curious Bug Lover,
This is a harmless Western Conifer Seed Bug, one of the Leaf Footed Bugs.  It is NOT a Kissing Bug which is an Assassin Bug.

Letter 9 – Western Conifer Seed Bug, NOT Kissing Bug


Subject: Kissing Bug?
Location: Colorado Rocky Mountains
December 9, 2015 10:10 pm
What is this bug? I’m in Colorado and this is the only one I have seen in my house.
Signature: Bugman

Western Conifer Seed Bug
Western Conifer Seed Bug

We do not want to be dismissive about the potential problem with Kissing Bugs, but media coverage is fueling paranoia and we keep getting requests to confirm that Western Conifer Seed Bugs, like the one pictured, are not Kissing Bugs.  Western Conifer Seed Bugs do not pose any danger to  people or homes.

Letter 10 – Western Conifer Seed Bug, NOT Kissing Bug


Subject: Kissing bug?
Location: San Diego, CA
December 13, 2015 3:49 pm
Found this wee beastie in my back yard in Southern California some time ago. With all the media attention on kissing bugs it made me wonder if that was what I caught….and if that means there could be more lurking outside. Should I be worried?!
Signature: BH

Western Conifer Seed Bug
Western Conifer Seed Bug

Dear BH,
In the past several weeks, we have received around 50 requests to identify suspected Kissing Bugs and not one of the submitted images was of a Kissing Bug.  The Western Conifer Seed Bug, like the one in your image, is the most frequent suspect, followed by the Wheel Bug.  Kissing Bugs are known to spread Chagas Disease, but none of their impostors pose any threat to humans.  We are postdating your submission to go live to our site during our holiday absence.

Thank you!  Didn’t think it was but figured it was worth asking. Appreciate it.

Letter 11 – Western Conifer Seed Bug in Kent, UK


Subject: mystery beautiful aztec print back bug
Location: Deal Kent
October 14, 2016 10:38 am
Hello bugman, got a bit scared by a bug today, over a 50p size, brownish but with amazing detail on it’s back, like Aztec designs, all symmetrical and red and goldy un colour. We let him go out of the front door after taking a photo. Can you help identify him?
Signature: Eve Hudson & family

Western Conifer Seed Bug
Western Conifer Seed Bug

Dear Eve Hudson & family,
Despite the lack of clarity in your image, we are quite certain this is a Western Conifer Seed Bug,
Leptoglossus occidentalis, a Pacific northwest North American species that was introduced to Europe at the beginning of the 21st CenturyWestern Conifer Seed Bugs seek shelter indoors to hibernate when the weather begins to cool.  Because we must travel away from the office, we will be post-dating your submission to go live during our absence at the end of the week.


  • Bugman

    Bugman aka Daniel Marlos has been identifying bugs since 1999. whatsthatbug.com is his passion project and it has helped millions of readers identify the bug that has been bugging them for over two decades. You can reach out to him through our Contact Page.

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  • Piyushi Dhir

    Piyushi is a nature lover, blogger and traveler at heart. She lives in beautiful Canada with her family. Piyushi is an animal lover and loves to write about all creatures.

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Tags: Seed Bugs

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6 Comments. Leave new

  • I have the same bug in and around my home in Washington also.

  • I found one under my pillow Full Of Blood!!! I also live in San Diego. It’s not dangerous but sucks blood????

  • On u tube a couple of weeks ago there was a bug that looked like the Western Conifer Seed Bug as best as I can determine it said the bug was not dangerous but it’s droppings were highly toxic .

    • We cannot think of ever having read about the toxicity of Western Conifer Seed Bug droppings, but we can tell you with certainty that we have found many inaccuracies on the internet.

  • Emma Stephens
    October 9, 2019 8:44 am

    I have had 3 of these bugs in my house in the last 3 days. Have never seen one before. Googled it, Western conifer seed bug.. I am in Rochester, Kent.


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