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Dung beetles, while often overlooked, are beneficial to agriculture by breaking down animal waste and recycling nutrients back into the soil. However, in some situations, they can become a nuisance to farmers or property owners. If you’re facing an issue with dung beetles and need effective ways to keep their population under control, this article is for you.
There are various strategies to manage and reduce dung beetle populations on your property. These methods involve manipulating the beetle’s natural behavior to your advantage and using safe, environmentally friendly techniques. By understanding how dung beetles operate, you can implement these methods to maintain a balance between their ecological benefits and potential drawbacks.
Understanding Dung Beetles
Dung Beetle Benefits
Dung beetles, with over 6,000 species worldwide, play a significant role in agriculture and the environment. They help:
- Decompose animal excrement
- Improve soil quality
- Control pests and parasites
Types of Dung Beetles: Rollers, Tunnelers, and Dwellers
Dung beetles can be classified into three categories:
- Rollers: Create balls from dung and roll them away to consume or lay eggs
- Tunnelers: Dig tunnels beneath dung piles and transport dung to nourish their offspring
- Dwellers: Live within dung piles, feeding on the material and laying eggs
A comparison of these types:
Type | Reproductive Strategy | Movement of Dung | Habitat | Benefits |
---|---|---|---|---|
Rollers | Lay eggs within dung balls | Roll away | Open fields | Decreases pests, reduces odor, increases nutrient cycling |
Tunnelers | Lay eggs in tunnels filled with dung | Dig down | Near dung piles | Improves soil structure, reduces odor, increases nutrient availability |
Dwellers | Lay eggs directly in dung piles | None | Within dung piles | Controls fly populations, decomposes dung, improves soil conditions |
Dung Beetle Lifecycle
The dung beetle lifecycle consists of four stages:
- Egg: Laid within dung or tunnels
- Larva: Feeds on dung and undergoes multiple molts before pupating
- Pupa: Transforms into an adult beetle
- Adult: Emerges from pupal stage, capable of flying, and reproduces
Adult dung beetles have:
Some species have distinct head structures, like horns or tusks, which they use to protect their mates and offspring. There are generally two generations of dung beetles per season: one in late spring and another in fall.
Identifying a Dung Beetle Infestation
Signs of Infestation in Yards and Gardens
Dung beetles, while beneficial to the ecosystem, can sometimes become pests. They are easily identified by their stout oval-shaped bodies and unique clubbed antennae. To check for an infestation, look for the following signs:
- Larvae or eggs on or near feces.
- Beetles rolling balls made of feces.
- Unusual numbers of beetles near manure piles.
Some species of dung beetles might attack trees or corn, so be aware of damaged plants as well.
Infestation in Livestock Pastures
A rancher needs to pay special attention to their livestock pastures for a dung beetle infestation. These insects are attracted to manure, and their presence may lead to an overpopulation. Key indicators include:
- An excessive number of beetles near livestock feces.
- Disruption in the structure of the manure.
Here’s a comparison table between backyard infestations and pasture infestations:
Backyard Infestation | Pasture Infestation | |
---|---|---|
Signs | Eggs, larvae, feces | Manure, beetles |
Commonly Affected Areas | Gardens, trees, corn | Livestock pastures |
Potential Damage | Plant life | Livestock manure |
Suitable Pest Control Method | Chemicals, traps | Bio-controls |
When it comes to tackle a dung beetle infestation, pest control methods may vary. For yards and gardens, chemical control methods or traps might help, while in pastures, a more nature-friendly approach, like introducing parasites or predators, is advised.
Remember, a balance of dung beetles is essential for the ecosystem, so don’t overreact when you see some in your garden or pasture. Take the necessary steps only if there is a significant disturbance in the outdoor environment. When you have issues with these pests its always best to call a professional pest control company.
Natural Dung Beetle Control Methods
Introducing Beneficial Insects and Wildlife
Attracting predators and pollinators to the garden can help control dung beetle populations. Examples of beneficial insects and wildlife include:
- Ladybugs: Eat small insects such as caterpillars and beetle larvae.
- Bees: Promote plant health, reduce dung beetle food sources.
To encourage these beneficial species, plant garden plants that provide food and shelter, such as:
- Flowers: Attract pollinators like bees.
- Shrubs: Offer cover and nesting sites for wildlife.
Integrated Pest Management Practices
Implementing Integrated Pest Management (IPM) practices can also help. Some IPM strategies are:
- Habitat modification: Remove excess organic matter to reduce dung beetle food sources.
- Chemical controls: Use of selective pesticides, like neem oil, which target pests but do not harm beneficial insects.
Strategy | Pros | Cons |
---|---|---|
Habitat modification | Environmentally friendly | Requires manual effort |
Chemical controls | Effective | May harm non-target species |
Milky Spore and Nematode Treatments
Milky spore and nematodes are natural treatments targeting dung beetles in turfgrass without harming beneficial insects:
- Milky spore: A bacteria that infects and kills beetle larvae.
- Nematodes: Microscopic worms that attack and eat beetle larvae.
Consider the following when using these treatments:
- Apply milky spore and nematodes during the appropriate season for maximum effectiveness.
- Follow label instructions to ensure proper application and safety.
Preventing Future Dung Beetle Infestations
Proper Manure Management
A major factor in controlling dung beetles is to focus on proper manure management. This includes:
- Regular cleaning and removal of animal waste
- Composting manure to reduce breeding ground for beetles
For example, implementing a daily manure removal routine in areas like horse stables can drastically reduce dung beetle populations.
Native Plant Species and Flower Gardens
Promoting a diverse ecosystem with native plant species and flowering plants can help. These plants:
- Attract natural predators of dung beetles
- Support a balanced ecosystem that keeps beetle populations in check
Adding plants like roses, peppermint, or native flowers from Northern California can create an environment less attractive to dung beetles.
Repellant Strategies
Consider utilizing repellant strategies, which can be chemical or natural:
Method | Pros | Cons |
---|---|---|
Pesticides | Potentially effective against a wide range of pests | Harmful to beneficial insects, plants, and the environment |
Peppermint oil | Natural and less harmful to the environment | Must be reapplied frequently; may not be as effective |
Remember, your goal should be to minimize the dung beetle population without harming the environment or beneficial insects.
Recognizing When Professional Help Is Needed
Infestation in Buildings and Homes
Call for pest control services now.
Dung beetles are generally found in the natural habitat, but they may enter buildings and homes through open doors or windows. Here are some signs of infestation:
- Finding adult dung beetles or their grubs in your home
- European chafers or other species causing damage to plants
If you notice these signs, it’s time to call a pest control professional.
Determining the Scale of the Problem
Identifying the scale of the problem is crucial before taking any action. Here’s how you can evaluate the extent of the infestation:
- Examine the building for accessible entry points
- Monitor the number of beetles found indoors
- Assess the damage caused by the beetles to plants or property
Pest control methods
Method | Pros | Cons |
---|---|---|
Pesticides | Effective in large area | Harmful to the environment and non-target species |
Traps | Target specific species | Limited coverage |
Biological control | Natural solution | May take a long time to be effective |
Once you have a clear idea of the scale of the infestation, you can then take the appropriate action. If the problem is severe or persists after attempting DIY methods, it’s essential to contact a professional pest control expert.
34 Comments. Leave new
Hi everybody,
I live in Turkey and we call those ‘May Bug’. This is from genus of ‘Polyphylla’ and can be ‘Polyphylla fullo’. They horrifies some people because they sound ‘ssssssss’ when you close’em.
Thanks Onur
This is a species of Phyllotocus (Scarabaeridae: Melolonthinae). Need more time to check identity from Tasmania. The adults often swarm in summer on flowers and may be attracted by sugar/honey solutions.
Best regards, Trevor
I believe it is a flower chafer or flower scarab (Scarabidae: Cetoniinae) in the genus Protaetia, probably P. niveoguttata.
http://www.malaeng.com/blog/wp-content/pictures/2007/08/protaetia-niveoguttata.jpg
Could it be a Cetonid beetle? Many cetonids have such spots. Some from genus Protaetia have such symmetrical spots..
I can confirm, this is Protaetia niveoguttata
Erwin
I found this similar looking beetle in the genus Anochillia http://insecterra.forumactif.com/t13626-anochilia, but it has some textures I don’t see in this one here. Is this guy dead in the image? One peace of his leg is in the floor.
Thanks Cesar.
Pantolia flavomarginata: http://projects.biodiversity.be/openup/rbins/2761.jpg
I just found the same black osmodera scarab on my back porch in southern new York about 8 miles from penn. border! Is that normal??
According to BugGuide, you are within the range of this genus.
It is difficult, as he said, due to the pins, but look at Cetoniiae.
This is the zig-zag fruit chafer, Anisorrhina flavomaculata.
Hey, I think that adorable fuzzy scarab may be a bumble bee scarab from the family glaphyridae. Here’s bug guide link. Let me know if you concur!
http://bugguide.net/node/view/14300
Thanks Karen,
We wrote to Eric Eaton to get his opinion. Something about the shape of the submitted Scarab seems very different than the Bumble Bee Scarab, which we did consider. We didn’t want to post that until we got a second opinion, but it is our first choice as well.
Hey, I think that adorable fuzzy scarab may be a bumble bee scarab from the family glaphyridae. Here’s bug guide link. Let me know if you concur!
http://bugguide.net/node/view/14300
Very nice images. Both of these species are edible, and are consumed in one or more Western African countries.
Thanks for that information Dave. I will tag them as edible.
I have a red beetle with long black legs and antennae. the head is separate from the body and is about one cm. in length not counting his legs etc.
Can you identify him for me. I have found five in my wooden house in south west france.
I have a red beetle with long black legs and antennae. the head is separate from the body and is about one cm. in length not counting his legs etc.
Can you identify him for me. I have found five in my wooden house in south west france.
Japanese beetles?
Definitely not. They are too large and also the food is wrong. According to BugGuide, Japanese Beetle: “Larvae feed on roots of many plants.”
They remind me of witchetty grubs! I watched my Dad eat a witchetty grub once. 🙂
Witchetty Grubs are Moth Larvae, but like the Scarab Grubs, they are feed on wood.
Dude, I think it might be a hermit flower beetle. They live on trees and feed on dead tree debris. I found one similar to your description just today in Southern Ontario!
Yup, that certainly looks right. It’s great to put a name to it… thanks for your help!
Hello! This is Michaela, one of the people who submitted this beetle. We think we have found what it is! It seems to be a Phyllophaga crenulata! This one just seemed to be exceptionally fuzzy. It doesn’t have a common name. Madde has dubbed it “fuzzbutt beetle”
Thanks for getting back to us on this three year old mystery.
Some of those look to be rose chafers or hermit beetle larvae and some look like Ox beetle larvae.
Pink grub with a tail eating inside a hollowed maple tree
I think the correct name of the figeater is Cotinis. If it’s not Cotinis, I’d say Allorhina sp.
Thanks Cesar. The images seem to lack the brown edge on the elytra that is often found on Cotinis species. I’m not seeing any images online in genus Allorhina that look close. Have you any links to share?
I think they are stag beetle larvae since they have orangish face and it was found inside rotting tree.
Thanks for that information.