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6 Cool Insects You Can Raise at Home

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Don't let Mother Nature have all the fun!

1. Monarch Butterflies

Raising monarchs is super easy. If you don't have a patch of milkweed handy, order the plants online and plant them outside in clusters of three or more plants. Check the undersides of the leaves for eggs and tiny caterpillars. When you find a caterpillar, dig up the milkweed plant, wrap it in tulle netting from the fabric store so the caterpillar won't get away, and bring it inside to watch it develop. (You can order the caterpillars online, too.) It will eat like crazy for about ten days until it pupates. If you're raising more than one, you'll need additional milkweed plants. After the butterfly has emerged from the chrysalis, release it outside. Monarch Watch has detailed instructions about rearing monarchs, and you can order tags for your butterflies if you want to help track their migration.

2. Silkworms

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Silkworms need mulberry leaves to eat, or you can order powdered artificial silkworm chow online along with the eggs. I asked around until I found a friend who had raised silkworms before, and she gave me a batch of eggs to keep in my fridge during the winter. When the mulberry tree in my yard started leafing out, I removed the eggs from the fridge. They hatched about nine days later. They should start to spin cocoons in a few weeks. This site shows a nice set-up using plastic deli trays and toilet paper rolls.

3. Crickets

Flickr: Ivan Walsh

Remember the children's book, The Cricket in Times Square? Crickets are charming and have been kept as pets in China for hundreds of years. If you can't catch a cricket in your house or yard, most pet stores carry them as food for larger animals. You can order a little cricket cage online, or use a jar with holes punched in the top. Place a piece of damp sponge in there so they can stay hydrated, keep them in a warm spot, and feed them scraps of fruits and veggies. Voila. Pet cricket.

4. Ladybugs

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Whether you catch a ladybug yourself or order ladybug larvae from the internet, these are also pretty easy to care for indoors for a short time. Like crickets, adult ladybugs need a damp paper towel or sponge to drink from. Aphids are their favorite food, but if you're only keeping your ladybug for a few days it can get by on fruit. Tip: Milkweed tends to get covered in aphids. If you're already growing milkweed for your monarchs, bam. Ladybug food.

5. Black Swallowtail Butterflies

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These gorgeous creatures like to lay their eggs in common garden herbs, including parsley, dill, and fennel. If you want to try to observe their life cycle, plant a big clump of parsley in a pot and keep an eye out for caterpillars, which are green with yellow and black markings and just as beautiful as the mature butterflies. If you have cats, tie some tulle netting around the pot so the caterpillars won't get eaten or crawl away. The black swallowtail chrysalis looks like a piece of bark or a small stick, so they can be hard to spot. I haven't had terribly good success with these, but a friend of mine raises them successfully every year.

6. Praying Mantises

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These guys are crazy. Not only does the female often devour the male after mating, but the babies devour each other if given a chance. I bought a couple of praying mantis egg cases (they're about the size of a small marshmallow, and beige in color) at a garden fair once. I kept them in my garden shed and checked them regularly until I saw a million billion babies in the container, and then I set them free in my garden in hopes that they'd keep pests down. You can raise them in a small aquarium too, or buy a kid-oriented kit. Like betta fish, they need to be kept in separate containers to prevent a fight to the death. Other requirements: Sticks to climb on, and plenty of bugs to eat. This is a little involved for me, but if you're into carnivorous beasts, knock yourself out.

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Noriyuki Saitoh
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Art
Japanese Artist Crafts Intricate Insects Using Bamboo
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Noriyuki Saitoh

Not everyone finds insects beautiful. Some people think of them as scary, disturbing, or downright disgusting. But when Japanese artist Noriyuki Saitoh looks at a discarded cicada shell or a feeding praying mantis, he sees inspiration for his next creation.

Saitoh’s sculptures, spotted over at Colossal, are crafted by hand from bamboo. He uses the natural material to make some incredibly lifelike pieces. In one example, three wasps perch on a piece of honeycomb. In another, two mating dragonflies create a heart shape with their abdomens.

The figures he creates aren’t meant to be exact replicas of real insects. Rather, Saitoh starts his process with a list of dimensions and allows room for creativity when fine-tuning the appearances. The sense of movement and level of detail he puts into each sculpture is what makes them look so convincing.

You can browse the artist’s work on his website or follow him on social media for more stunning samples from his portfolio.

Bamboo insect.

Bamboo insect.

Bamboo insect.

Bamboo insect.

Bamboo insect.

Bamboo insect.

[h/t Colossal]

All images courtesy of Noriyuki Saitoh.

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Live Smarter
A Simple Way to Prevent Bed Bugs: Do Your Laundry While on Vacation
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Bed bugs are perhaps nature's worst house guests. Not only do they, y'know, feed on your blood while you sleep, but the critters also mysteriously sneak their way into our abodes without warning, only to turn around and invite all their friends over for a slumber party. Since they won't be dissuaded by an empty fridge or an expired HBO subscription, what steps can one take to ensure their home stays free of these dreaded visitors?

For starters, do your laundry while traveling, according to a new study spotted by Gizmodo. Published in the journal Scientific Reports, its authors found that bed bugs are twice as likely to convene on and inside tote bags with dirty clothes as those containing clean clothes. They discovered this after creating a mock bedroom with cotton laundry bags—one filled with "dirty" worn clothing, the other with clean items—and observing which of the two a cageful of unleashed bed bugs preferred.

Researchers know that bed bug populations have surged around the world thanks in part to the rise of cheap air travel. They also have theorized that they're attracted to human scent, which can linger on clothing for at least a few days. Still, they didn't quite know how, exactly, the critters make the jump from the outside world and into our abodes—especially since these insects are relatively sedentary and rarely leave their feeding places. These new findings suggest that the bugs could be stowing away in attractive-smelling suitcases—which after traveling through hotels, airports, and taxis, end up right back in our bedrooms.

Since some bugs, like mosquitos, are attracted to carbon dioxide (it indicates the exhalation of a nearby animal or human—a.k.a. a food source), researchers checked to see if increases of the gas made bed bugs more or less likely to congregate on the dirty laundry bags. This ended up prompting foraging behavior, but the insects weren't any more prone to hanging out on the soiled clothing heap than they were before. 

Keeping your luggage free of bed bugs while traveling can be relatively simple, study author William Hentley, an entomologist at the UK's University of Sheffield, told Science. Since not everyone has ready access to a washer and dryer on vacation, avoid the bugs in the first place by placing your suitcase atop the metal luggage racks commonly found in hotel rooms, even if you've already given the room a precautionary sweep. (Bed bugs can't climb up smooth surfaces.) If your room is sans rack, seal your dirty clothes inside an airtight bag to keep the insects from getting a good whiff, or wrap up your entire suitcase if it's frequently been home to unwashed garments in the past.

That said, not all is lost if you arrive home from a long vacation with a bag full of well-worn outfits. Take your clothes immediately to a washer/dryer and run them through a hot cycle. That should be enough to kill invading bed bugs before they've even had the chance to learn how comfortable your couch is.

[h/t Gizmodo]

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