Barn Owl Blog

No matter how much care you give your garden or crops, there’s one constant threat that every grower faces: pests. These unwelcome visitors can chew through leaves, suck the life out of stems, burrow into roots, and leave a trail of damage in their wake. From home gardeners to large-scale farmers, here are the most common insect culprits across the United States that cause headaches—and what makes them so destructive. 1. Aphids Damage they cause: Aphids are tiny but mighty. These soft-bodied insects suck sap from plant stems and leaves, stunting growth, deforming leaves, and spreading plant viruses. Common targets: Tomatoes, peppers, beans, roses, fruit trees, and nearly every garden plant. Bonus issue: They leave behind sticky honeydew, which leads to sooty mold. 2. Cutworms Damage they cause: Cutworms are caterpillars that live in the soil and chew through the stems of young seedlings at ground level—often killing the plant overnight. Common targets: Corn, lettuce, tomatoes, and cabbage. Timing: Most active in spring when seedlings are just emerging. 3. Japanese Beetles Damage they cause: Both adults and larvae are destructive. Adults skeletonize leaves, leaving only the veins, while larvae (grubs) chew on grassroots. Common targets: Roses, beans, grapes, corn, turfgrass, and over 300 species of plants. Peak season: Summer 4. Colorado Potato Beetles Damage they cause: These striped beetles feed on the leaves of plants in the nightshade family, rapidly defoliating entire plants if left unchecked. Common targets: Potatoes, eggplants, tomatoes, peppers. Reputation: Known for pesticide resistance and rapid reproduction. 5. Whiteflies Damage they cause: Like aphids, whiteflies suck sap from plants and can transmit viral diseases. Their excretion also encourages the growth of mold. Common targets: Tomatoes, peppers, squash, and ornamental plants. Problem area: Greenhouses and warm climates. 6. Tomato Hornworms Damage they cause: These large green caterpillars chew through tomato plant leaves and fruit at an alarming rate. Common targets: Tomatoes, eggplants, peppers, and potatoes. Pro tip: They’re hard to spot but leave behind a lot of droppings (frass), which can clue you in. 7. Squash Bugs Damage they cause: They feed on sap from squash and other cucurbits, causing wilting, yellowing, and eventual death of vines. They also spread bacterial wilt. Common targets: Zucchini, pumpkins, cucumbers, and squash. Hard to control: Adults hide under leaves and are resistant to many sprays. 8. Cabbage Loopers Damage they cause: These green inchworm-like caterpillars feed on the undersides of leaves, leaving behind irregular holes and frass. Common targets: Cabbage, broccoli, kale, collards, and other brassicas. Result: Ragged leaves and reduced harvests. 9. Armyworms Damage they cause: Armyworms travel in groups and mow down entire sections of crops—especially grasses, grains, and corn. Their damage appears almost overnight. Common targets: Corn, wheat, ryegrass, and lawns. Name origin: They "march" across fields like an army. 10. Flea Beetles Damage they cause: These small, jumping beetles chew small holes in leaves, often described as "shot-hole" damage. Common targets: Radishes, eggplants, arugula, and members of the brassica family. Biggest threat: Seedlings, which can be quickly overwhelmed. Honorable Mentions: Thrips – tiny insects that deform flowers and fruit Root maggots – larvae that attack plant roots Spider mites – sap-suckers that thrive in dry, dusty conditions Corn earworms – attack corn ears, tomatoes, and cotton Stink bugs – pierce fruit and vegetables, leaving discolored spots and rot How to Protect Your Garden and Crops Practice crop rotation to disrupt pest life cycles Encourage beneficial insects like ladybugs and lacewings Use floating row covers to protect young plants Check plants regularly for eggs, larvae, and signs of damage Use traps, neem oil, or insecticidal soap when needed Remove plant debris to eliminate overwintering sites In Conclusion While bugs are a natural part of any growing space, the wrong ones in the wrong numbers can wreak havoc on your garden or farm. The key to success is knowing your enemies, monitoring regularly, and using a balanced approach to pest control that includes prevention, intervention, and a little help from nature. Because when it comes to bugs, a little knowledge goes a long way toward a bigger harvest. Natural Pest Control: How to Get Rid of Bad Bugs in Your Garden Without Chemicals

When we talk about good bugs in the garden, pollinators like bees and butterflies tend to steal the spotlight. But they’re not the only insects working hard to support your crops. A wide variety of other insects quietly play essential roles in pest control, soil health, and overall ecosystem balance—making them just as important to your garden’s success. Here’s a closer look at some of the non-pollinating insects that are truly worth inviting into your growing space. 1. Ladybugs (Lady Beetles) Superpower: Pest control What they eat: Aphids, whiteflies, mealybugs, and other soft-bodied pests Ladybugs are one of the most popular beneficial insects for a reason: both adults and larvae are voracious pest-eaters. A single ladybug can eat up to 5,000 aphids in its lifetime. Their presence can help prevent infestations that damage vegetables, flowers, and fruit trees. Tip: Plant dill, fennel, or yarrow to attract ladybugs to your garden. 2. Ground Beetles Superpower: Nighttime pest patrol What they eat: Caterpillars, slugs, root maggots, and other soil-dwelling pests These shiny black or metallic beetles live under mulch or leaf litter and come out at night to hunt. They don’t harm plants—instead, they help control insects that attack roots or seedlings. Their larvae are just as helpful underground. Tip: Avoid frequent tilling to protect ground beetle habitat. 3. Parasitic Wasps Superpower: Biological control What they do: Lay their eggs inside pest insects like aphids, tomato hornworms, or caterpillars Don’t let the name scare you—these wasps are tiny, harmless to humans, and incredibly helpful. Their larvae grow inside destructive pests, effectively wiping out garden threats without the need for sprays. They’re nature’s built-in pest management system. Tip: Grow plants with small flowers like cilantro, parsley, and sweet alyssum to attract them. 4. Rove Beetles Superpower: Versatile pest eliminator What they eat: Aphids, mites, fly larvae, and springtails These sleek, fast-moving beetles often go unnoticed, but they’re fierce predators in compost bins, garden beds, and greenhouses. Rove beetles help keep pest populations in check, especially in moist, organic-rich environments. Tip: Keep compost piles and mulched areas to encourage their activity. 5. Predatory Ants Superpower: Insect clean-up crew What they eat: Caterpillars, fly larvae, and other small insects Not all ants are garden pests. Some species are efficient hunters that reduce populations of destructive insects. While they may not be as targeted as other beneficials, they contribute to a balanced insect population in many ecosystems. Tip: Ants can be helpful—but watch for signs of them “farming” aphids, which is a sign of imbalance. 6. Hoverflies (Syrphid Flies) Superpower: Dual-purpose helpers What they do: Adults pollinate; larvae eat aphids and thrips These bee lookalikes serve two roles in the garden: the adults help pollinate, while their larvae quietly consume pests on leaves and stems. They're especially helpful in vegetable gardens under aphid attack. Tip: Like parasitic wasps, they love tiny flowers like dill, buckwheat, and Queen Anne’s lace. 7. Soldier Beetles Superpower: Natural pest patrol What they eat: Aphids, caterpillars, grasshopper eggs, and soft-bodied insects Often mistaken for fireflies, soldier beetles are harmless to plants and helpful in controlling common garden pests. They also occasionally sip nectar, helping with light pollination as a bonus. Tip: Attract them with goldenrod, zinnias, and milkweed. Why These Insects Matter Beneficial insects help reduce or eliminate the need for chemical pesticides, making your garden healthier and more sustainable. They also contribute to a balanced ecosystem, which means fewer pest outbreaks and better long-term plant productivity. By recognizing their value and providing the right habitat, you're not just growing vegetables or flowers—you’re cultivating a thriving, resilient ecosystem. How to Attract and Keep Beneficial Insects Plant a variety of flowering plants, especially natives and herbs Provide habitat: mulch, rock piles, compost, and low-disturbance zones Minimize pesticide use, especially broad-spectrum insecticides Let some wild plants grow, such as clover or dandelions, to support early-season insects Provide water: shallow dishes or damp sponges help thirsty bugs In Conclusion Pollinators may get most of the credit, but beneficial insects of all kinds are behind the scenes, working tirelessly to keep your crops healthy and your garden balanced. From tiny wasps to hardworking beetles, these unsung heroes deserve a place in your growing plan. So next time you spot a strange bug in your garden, pause before squashing it—it just might be one of nature’s best workers. Up next: Garden Villains: The Most Common Bugs That Destroy Crops and Gardens in the U.S.

When the sun sets and most pollinators go to sleep, another group takes flight to keep nature’s work going—bats. While they’re often misunderstood or associated with Halloween, bats are essential pollinators, particularly in warm climates and tropical regions, and they play a critical role in food production, biodiversity, and ecosystem health. That’s right—some of your favorite fruits, flowers, and even beverages owe a thank-you to the night-shift pollinators with wings. Not Just Insect Eaters: How Bats Pollinate While many bat species eat insects (which helps control pests), a group known as nectar-feeding bats visits flowers for sugary nectar—just like hummingbirds or bees. As they dip their long tongues or snouts into blossoms, their faces and fur pick up pollen, which is then transferred to the next flower they visit. This pollination behavior is especially important for: Night-blooming plants Large, sturdy flowers with lots of nectar Plants with pale or white blossoms, which are easier to spot at night Pollination by bats is so common it has a name: chiropterophily (from Chiroptera, the scientific name for bats). Crops and Plants That Rely on Bats Bats are key pollinators for many crops and wild plants, particularly in desert, tropical, and subtropical regions. Some important crops and plants pollinated by bats include: Agave (used to make tequila and mezcal) Bananas Mangoes Guavas Papayas Dates Carob Durian Cactus fruits (like dragon fruit) In the U.S., bats are especially important in the Southwest, where they pollinate saguaro cacti, agave, and other desert plants that support both agriculture and native wildlife. Why Bat Pollination Matters Bat pollination is more than a nighttime novelty—it brings real benefits to crops and ecosystems: Improved crop yield and seed set, especially in tropical fruit crops Increased genetic diversity through long-distance pollination Support of native plants, which stabilize soil and provide habitat for other pollinators Sustained food webs, as bats help plants that feed birds, mammals, and even humans Plus, some nectar-feeding bats also consume insects, offering a bonus service of natural pest control on farms and orchards. Threats to Bat Populations Unfortunately, bats face growing threats that also put their pollination work at risk: Habitat loss from deforestation and development Climate change, which disrupts flowering and migration patterns Pesticides, which can harm bats directly or reduce their food supply Disturbance of roosting sites, such as caves and hollow trees Misconceptions and fear, which lead to persecution and habitat destruction Conserving bat populations is crucial not only for biodiversity, but for the food systems they help support. How You Can Support Bat Pollinators Whether you’re a farmer, gardener, or nature lover, there are simple ways to help bats thrive: Plant native, night-blooming flowers like agave, yucca, evening primrose, and night-blooming jasmine. Avoid pesticides, especially those that persist into the evening hours. Protect roosting areas, such as old trees, rock outcroppings, and bat houses. Reduce outdoor lighting to minimize disruption of bat activity. Educate others about the positive role bats play in ecosystems and agriculture. In Conclusion Bats might not be the most obvious pollinators, but they’re quiet heroes of the night, keeping essential plants and crops growing while most of the world sleeps. From tequila to tropical fruits, bats play a role in producing foods we love—and in supporting the biodiversity that keeps our ecosystems resilient. So the next time you see a bat flutter by under the moonlight, remember: they might just be out helping your next drink or snack grow. Up next: The Original Pollinators: How Beetles Help Keep Crops and Ecosystems Thriving

They may be small, fast, and a little flashy—but hummingbirds are more than just eye candy for your garden. These energetic little birds are powerful pollinators, especially in regions where they’re native, and they play an important role in supporting biodiversity and healthy crops. Often overshadowed by bees and butterflies in the pollination conversation, hummingbirds bring their own unique talents to the job—and many farms and gardens benefit from having them around. How Hummingbirds Pollinate Hummingbirds feed on nectar, zipping from flower to flower with remarkable agility. As they dip their long beaks into blossoms, their heads brush against the reproductive parts of the plant, picking up and transferring pollen in the process. Unlike insects, hummingbirds can: Travel long distances, making them excellent cross-pollinators. Feed while hovering, which allows them to access flowers that other pollinators can’t reach. Pollinate flowers with deep or tubular shapes, which are often inaccessible to bees. These traits make hummingbirds especially valuable for certain plants that depend on specialized pollination techniques. What Crops and Plants Do Hummingbirds Help Pollinate? While they aren’t primary pollinators of most large-scale crops, hummingbirds do support pollination for: Fruits like cherries, currants, and blueberries Vegetables such as beans, especially scarlet runner beans Herbs and edible flowers Native plants that border farms and enrich biodiversity Ornamental and wild plants that feed and shelter beneficial insects By maintaining pollinator diversity, hummingbirds indirectly boost the health of crops by supporting ecosystems that attract bees, butterflies, and pest-controlling predators. Why Hummingbirds Matter on the Farm Encouraging hummingbirds on your farm or in your garden brings multiple benefits: They increase pollination variety, helping crops and native plants reproduce. They help with pest control, feeding on small insects and spiders. They serve as indicators of environmental health—if hummingbirds are visiting, your ecosystem is likely in good shape. And yes—they bring beauty and joy to any outdoor space! How to Attract Hummingbirds to Your Farm or Garden Creating a hummingbird-friendly space is easy and rewarding. Here’s how to invite them in: Plant native, tubular flowers such as bee balm, columbine, penstemon, and cardinal flower. Choose red, orange, and pink blossoms, which hummingbirds love. Avoid pesticides, which can harm the insects they eat and the flowers they visit. Hang nectar feeders, using a sugar-water solution (no red dye!). Provide perches and small trees, where they can rest and nest. Ensure a season-long bloom so they have food throughout spring, summer, and fall. Even small changes can create an inviting space for these tiny pollinators. Challenges Hummingbirds Face Like all pollinators, hummingbirds face increasing pressure from: Habitat loss Climate change, which alters flowering times and migration patterns Use of pesticides and herbicides Urban development, which reduces nesting and feeding areas Supporting hummingbirds helps preserve not only their species, but the many plants and ecosystems they support. In Conclusion Hummingbirds may be small, but their impact is mighty. As pollinators, pest managers, and ecosystem enhancers, they bring value to farms, gardens, and wild landscapes alike. By planting the right flowers and providing a welcoming space, you can enjoy their company—and reap the rewards of a more vibrant, resilient growing environment. So next time you see that flash of color and hear the hum of tiny wings, know that you’re witnessing a hardworking pollinator at work—keeping crops healthy, one flower at a time. Up next: Wings of the Night: The Pollination Power of Bats

When you hear the word "pollinator," chances are bees, butterflies, or even hummingbirds come to mind. But did you know the first pollinators on Earth were beetles? Long before bees evolved, beetles were already visiting flowers—and today, they still play a critical role in supporting healthy crops and ecosystems. Often overlooked or even seen as pests, beetles are essential pollinators, especially in certain plant systems. With their sheer diversity and unique behaviors, they help ensure the survival of plants that depend on them—and in turn, the crops we grow and the food we eat. Beetles: The Pollination Pioneers Beetles belong to the order Coleoptera, the largest group of insects in the world, with over 30,000 species in North America alone. Many of these beetles feed on nectar, pollen, and flower petals, making them regular visitors to flowering plants. As they crawl across blossoms in search of food, beetles accidentally carry pollen from one flower to another. Their somewhat clumsy, lumbering approach may not be as graceful as a butterfly’s flutter, but it gets the job done—especially for plants that are designed to accommodate beetle pollination. This method is sometimes called “mess and soil” pollination because beetles tend to chew on petals and parts of the flower as they go—leaving behind a bit of a mess but helping pollination in the process. How Beetles Benefit Agriculture While beetles aren’t the go-to pollinators for most commercial crops, they do support agriculture in indirect and crop-specific ways, especially in: Diversified and organic farms with a wide variety of flowering plants Crops that rely on open or bowl-shaped flowers, which are easier for beetles to access Wild and native plant pollination, supporting biodiversity and soil health around crop fields Some plants and crops that benefit from beetle pollination include: Magnolias Water lilies Pawpaws Spicebush Wild roses Cucumbers Corn (by certain beetle species) Palms and tropical fruits (in some regions) In these cases, beetles help promote fruit set, seed development, and cross-pollination, which leads to healthier and more resilient plants. What Makes Flowers Attractive to Beetles? Plants pollinated by beetles often have: Strong, fruity or spicy scents (sometimes even musty) Large, open flowers that are easy to land on Thick petals or fleshy structures that can withstand chewing Abundant pollen, since beetles eat it directly Beetle-pollinated plants have adapted over millions of years to work with these ancient insects—and those partnerships continue today, in both wild and cultivated settings. Aren’t Beetles Also Pests? Yes, some beetle species are known pests (like the Japanese beetle or cucumber beetle), especially in their larval stage. However, not all beetles are harmful, and many are beneficial in multiple ways: Some are pollinators. Others are natural predators of harmful pests like aphids and caterpillars. Still others help break down organic matter, improving soil health. It's all about balance—recognizing the right kinds of beetles and creating environments where beneficial species can thrive. How to Support Beetle Pollinators Beetles are resilient, but like all pollinators, they face threats from modern agriculture and habitat loss. You can support beetle pollinators by: Planting native flowers, especially magnolias, elderberries, and pawpaws. Leaving leaf litter and mulch where beetles can hide, breed, and overwinter. Avoiding pesticide use, especially broad-spectrum insecticides. Encouraging diverse plantings, which attract a variety of pollinators, including beetles. The more varied and welcoming your growing space, the more likely you are to benefit from the quiet work of beetle pollination. In Conclusion Beetles may not have the charm of butterflies or the fame of honey bees, but their contribution to pollination is ancient, essential, and ongoing. From native plants to select crops, they help ensure a balanced ecosystem and a productive food system. So next time you see a beetle lumbering around your flowers, resist the urge to squish—it might just be helping your garden grow. Up next: The Most Common Pollinators That Help Your Garden Thrive

When we think of pollinators, bees, butterflies, and maybe even hummingbirds usually come to mind. But there’s a lesser-known group quietly working the night shift—moths. Often dismissed as dull or pesky, moths are actually essential pollinators, and they play a unique and powerful role in supporting healthy crops and thriving ecosystems. In fact, without moths, some plants—and even a few crops—might struggle to reproduce at all. Moths: The Undercover Pollinators Moths belong to the same insect order as butterflies (Lepidoptera), but they’re typically nocturnal and less flashy. That doesn’t mean they’re less important. There are over 11,000 species of moths in North America alone, and many of them visit flowers at night, helping to pollinate while the day shift is sleeping. Like butterflies, moths use a long proboscis to feed on nectar. As they visit flower after flower, they accidentally transfer pollen, which helps plants reproduce. What makes moths especially valuable is that they pollinate plants that bloom or release scent at night, filling a critical gap in the pollination cycle that bees and butterflies can’t cover. How Moths Support Agriculture While moths are not typically managed as commercial pollinators, they play an important supporting role in pollinating both wild plants and certain crops, especially in organic or diversified farming systems. They contribute to: Fruit and seed production in night-blooming crops or plants. Pollination of cover crops and native plants, which support soil health and attract beneficial insects. Biodiversity, which enhances overall farm resilience and ecological health. Some crops and plants moths help pollinate include: Apples Strawberries Peas and legumes Clover Corn (certain silk-pollinating species) Various herbs and night-blooming vegetables Agave (pollinated by specific moth species like the tequila bat moth) They’re also essential to ecosystems that border farmland, helping to sustain wild plants that support birds, bats, and other beneficial wildlife. Wait—Aren’t Moths Crop Pests? Yes, some moths (like the corn earworm or cabbage looper) are known agricultural pests in their caterpillar stage. But it’s important to separate their larval (caterpillar) and adult (pollinating) roles. Many adult moths are harmless and highly beneficial as pollinators. In fact, recent studies have shown that moths rival or even exceed bees in the number of flowers they visit—especially across broader distances at night, helping with cross-pollination and genetic diversity in plants. Threats to Moth Populations Despite their importance, moths are in decline, just like other pollinators. The main threats they face include: Light pollution, which disrupts navigation and pollination behavior Pesticide use, especially broad-spectrum insecticides Habitat loss, due to monoculture farming and urban development Because most moths fly under the radar, their population losses often go unnoticed—but the ecological consequences are real. How You Can Support Moths on Your Farm or in Your Garden Encouraging moths is easier than you might think. Here are a few ways to help these nighttime pollinators: Plant night-blooming flowers like evening primrose, moonflower, yucca, and four o’clock. Reduce light pollution by using motion-sensor lights or shielded, warm-colored bulbs. Avoid pesticides, especially at night when moths are active. Grow native plants that support both adult moths and their caterpillars. Leave wild areas wild to provide natural shelter and breeding sites. Supporting moths also benefits other nocturnal pollinators and predators, creating a healthier, more balanced farm ecosystem. In Conclusion Moths may not get the same recognition as bees and butterflies, but they’re an essential part of the pollination team—especially when the sun goes down. Their nighttime visits help crops, native plants, and wildflowers thrive, and they play a subtle but powerful role in keeping our ecosystems balanced. So the next time you see a moth fluttering near your porch light, remember: that quiet little pollinator might have just helped grow your next apple or clover crop. Up next: Tiny But Mighty: How Hummingbirds Help Pollinate and Support Healthy Crops