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

Subject: Stag Beetle or not?
Location: Michigan
May 29, 2017 8:03 pm
Found one of these guys on my porch and did a little research to try and identify him. Is this a Stag Beetle subspecies? And if so, is it common to see them this far north?
Signature: Suz

Stag Beetle

Dear Suz,
We are pretty sure that based on this BugGuide image, your male Stag Beetle is
Lucanus placidusAccording to BugGuide:  “Similar to L. capreolus, but much darker, elytra more punctate. Legs dark reddish brown, no light brown patches as in capreolus. Several small teeth on inside of mandibles of male–capreolus has only one.”  Your images do appear to show “several small teeth on the inside of mandibles of male.”

Stag Beetle

What's That Bug? does not endorse extermination

Subject: Found!
Location: Charlotte NC
May 28, 2017 8:08 am
Found this guy outside my front door! We moved him to a better area with some plants!
Signature: MW

Giant Stag Beetle

Dear MW,
This magnificent male Giant Stag Beetle or Elk Stag Beetle has some really impressive mandibles.  Stag Beetles pose no threat to humans and the males use their impressive mandibles to battle one another with the dominant male impressing the female so that he can pass on his genes.  According to BugGuide:  “There is some conservation concern about this species. The related
Lucanus cervus, of Europe, is threatened.  considered by Arkansas to be a “Species of Greatest Conservation Need” (SGCN).”  If you had on a porch light, that might have attracted this guy to your front door.  Because of your kindness in relocating this gorgeous Giant Stag Beetle to a location where he would be safe, we are tagging this posting with the Bug Humanitarian Award.

Giant Stag Beetle

What's That Bug? does not endorse extermination

Subject: Scorpion type insect
Location: London
May 27, 2017 5:04 am
Hi good afternoon I have found what looks like a scorpion type insect in my back garden I am located in Hayes Middlesex London I would really appreciated if someone could identify what type it is as I have very young kids the youngest being four months old and feel a little bit nervous. I hope you can help thank you
Signature: Stephen

Stag Beetle Carnage

Dear Stephen,
We are very disturbed by your image of a very dead male Stag Beetle,
Lucanus cervus, because indications are that it was alive when you found it.  Stag Beetles are perfectly harmless as they have neither venom nor poison, and the large mandibles of the males are not used for biting people, but rather to fight among themselves when competing for a mate.  This is considered an endangered species throughout much of Europe.  According to The Wildlife Trusts:  “Protected in the UK under the Wildlife and Countryside Act, 1981. Classified as a Priority Species in the UK Biodiversity Action Plan.”  The Wildlife Trusts also states:  “The Stag Beetle is the UK’s largest beetle and is found in south-east England, particularly in south and west London. It prefers oak woodlands, but can be found in gardens, hedgerows and parks. The larvae depend on old trees and rotting wood to live in and feed on, and can take up to six years to develop before they pupate and turn into adults. The adults have a much shorter lifespan: they emerge in May with the sole purpose of mating, and die in August once the eggs have been laid in a suitable piece of decaying wood. Look for the adults on balmy summer evenings, when the males fly in search of mates. Once the male has found a mate, he displays his famously massive, antler-like jaws to her, and uses them to fight off rival males, in a similar fashion to deer.”  According to People’s Trust for Endangered Species:  “Spectacular stag beetles are one of our largest beetles. Sadly their numbers are declining across Europe and they are now extinct in some countries. In the southern parts of the UK they are doing much better but they still need our help.”  According to UK Safari:  “Stag Beetles are the largest beetles found in the U.K. and they’re now quite rare.  The decline of our Stag Beetles is mainly as a result of habitat loss.  Some are killed by cars on roads, and since they spend such a long time in the larval stage they are also vulnerable to predation.”  According to BBC:  “One of the UK’s most iconic insects is under threat and becoming increasingly rare to find, and that’s a real shame.”  We hope the next time you encounter an unknown creature, you resist the urge to kill it because there are really very few animals in London that pose any threat to humans, and that you make an attempt to identify it before taking such an irreversible action.  We hope you teach your children to appreciate the wonders of the natural world and not to fear them.  Our mission from our inception has been to provide information to the web browsing public so that they have a better appreciation of the lower beasts.  Alas, we have no choice but to tag this posting as Unnecessary Carnage.

Thank you very much for your email it was my four-year-old son whom found it in the garden  lying upside down in that position and was already dead,  but thank you for your advice.

What's That Bug? does not endorse extermination

Subject: Cottonwood stag beetle
Location: Orem ut
January 1, 2017 5:37 pm
We have what we believe is a cottonwood stag beetle larvae. He is over 2 inches long and has large pinchers. We found him buried in the wood chips at the playground where we have seen the really big cottonwood stag beetles and we are assuming for its size and location that is what we have. My kids really want to “raise” it. We have kept it in a jar with wood chips for about 3 months. We occasionally add a little water. I can’t find anything about it’s lifecycle. What else can we do to ensure a successful metamorphosis in the spring/summer. We check every few days for movement through the glass, so far so good.
Signature: Jr entomologists

Probably Cottonwood Stag Beetle Grub

Probably Cottonwood Stag Beetle Grub

Dear Jr entomologists,
You are our first posting of the New Year after returning back to the office today.  We agree that this is most likely a Cottonwood Stag Beetle Grub since you have found adults in the vicinity.  Your individual looks like the Stag Beetle Grub pictured on BugGuide.

Probably Cottonwood Stag Beetle Grub

Probably Cottonwood Stag Beetle Grub

What's That Bug? does not endorse extermination

Subject: wondering what Bug this is?
Location: Nutley New Jersey
August 8, 2016 6:15 am
Hi Bugman,
Wondering if you can help. I found this impressive specimen on my back driveway last week. Never seen it before here in Northern New Jersey. Although it was on the paving blocks, it was right next to the edge (see Belgium block ending in one pix), which is right next to lavender plants.
Hope it is just a garden variety, and not something of greater concern…
Thanks for any help….
Signature: Mary

Male Reddish Brown Stag Beetle

Male Reddish Brown Stag Beetle

Dear Mary,
This is a male Reddish Brown Stag Beetle.  Males have much larger mandibles than females.

Daniel,
Wow, thanks for the quick reply and for great information.  I checked out other posts about this beetle on your website and learned a lot.  Nice to know it is not destructive.  There is a pile of old firewood nearby, which may have served as the nursery.
You have a wonderful and helpful website, and hope to return to it in the future.
thanks again,
Mary

What's That Bug? does not endorse extermination

Subject: What is this
Location: Boston, ma
July 16, 2016 5:58 pm
A beetle? Boston, July 176
Signature: T jones

Male Reddish Brown Stag Beetle

Male Reddish Brown Stag Beetle

Dear T jones,
Yours is the sixth image of a Reddish Brown Stag Beetle we have posted this year since June, so we have the species featured on our scrolling site banner.

What's That Bug? does not endorse extermination