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Showing posts from 2011

Science Video Friday - Glowworms

In lieu of a full blog post, it's time for another Science Video Friday! This week's video is a spectacular 10 minute documentary on Britain's glowworms, from Christopher Gent. Enjoy!

Science Video Friday - Large Longhorns

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I just received my copy of Field Guide to Northeastern Longhorned Beetles (Coleoptera: Cerambycidae) by Douglas Yanega today and it is beautiful. It has a classy cover and is filled with useful pictures and identifying information about longhorned beetles. I've already used it to identify a few of the beetles I found this summer, which led me on some Youtube searches. For as neat as our longhorned beetles are in Ohio, this one from Japan is pretty wicked... Now if you'll excuse me, I need to find a reason to fly to Japan for some beetle research.

This Isn't Your Father's Daddy Longlegs

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While on a night hike looking for fluorescent millipedes and whatever else I could find a few months ago (September 16th), I came across a most interesting arachnid. Now, it's important to note that Arachnids aren't just spiders: Arachnida is a large class that includes other organisms like scorpions, ticks, mites, solifugids, and harvestmen (or daddy longlegs, if you prefer). It's the harvestmen (Order Opiliones) that are most important to this post, and while the popular perception of harvestmen is a small-bodied organism with long, thread-like legs, this is not always the case. There's a surprising amount of diversity in the harvestmen: it includes 6,411 described species (estimates of over 10,000 total species have been put forward!) and 45 families. After spiders and mites, it's the third largest order of Arachnids. Which brings us to the specimen found on that cool September night: Not exactly what you were expecting, eh? This is probably the largest harvestme

A Charismatic.......and Sometimes Drunk Weevil

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Usually when I find weevils (Coleoptera: Curculionoidea), they're tiny, relatively bland, or....."otherwise occupied." Tulip Tree Weevils ( Odontopus calceatus ) , otherwise occupied. While researching assassin bugs this summer at the Barbara A. Beiser Field Station, however, I came across a much more charismatic weevil, the oak timberworm ( Arrhenodes minutus ). Not quite on an oak, this guy was picked up during sweep netting. If you compare the oak timberworm with the tulip tree weevils in the previous picture, you'll probably notice quite a difference in size and body shape. The oak timberworm doesn't have elbowed antennae, either. So what gives? The oak timberworm is a species of primitive weevil (Subfamily Brentinae), which look very different from other weevils. They're characterized by their straight snouts (their family is the straight-snouted weevils, Brentidae, after all), antennae that aren't elbowed, and the tendency of their body shape to usu

A Native Ladybug AND Ant-mimic?! No way!

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It's not all that often when I find a ladybug (or to be more correct, lady beetle, since it's in the order Coleoptera and not Hemiptera) that isn't the invasive multicolored Asian lady beetle. So when I do, I get pretty excited. I get pretty disappointed when I see invasive organisms dominating the landscape, but when some interesting natives that I've never encountered before pop up, I'm apt to jump up and down in joy (ask anyone who's been out in the field with me). Last month on a botany trip around campus, our group stopped to examine a black locust ( Robinia pseudoacacia ). My attention quickly wandered away from me and I found myself examining the other plants around the black locust, leading me to find some arthropods (woohoo!). One looked like an ant, but my previous experience during the summer taught me not to be too certain, so I caught it and pulled out my hand lens to take a closer look. Imposter! Not an ant, but rather an ant-mimic! This is actuall

Hackberry: The Teenage Years

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I was going through some of my photos from this past summer (preparing to organize and identify them), when I came across a picture of a tree with some very interesting bark. I had a vague feeling of recognition when I took this picture, but I couldn't quite pin it down. After being a teaching assistant for a botany class this semester, however, I remembered what it was the second time around: American hackberry ( Celtis occidentalis ) . What's the easiest way to remember this tree? Definitely the bark: it's gnarled and warty, with furrows. As the tree gets older, it gets more warty and just a tad bit smoother. It hasn't reached this stage yet, so I would call this tree a teenager.  The leaves are serrate (they have little teeth on the edges), and are alternatively arranged on the stem. American hackberry is found in the West and Midwest, and is relatively common in Ohio. When its leaves fall off in the autumn, you can sometimes find galls on the leaves caused by a Psy

Chronicles of Ignorance: Wheel Bug Edition

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Regular readers should know by now: I freaking love wheel bugs. Click that picture to enlarge it, sit back, and really look at it for a while. There's no way you'll ever convince me that's not one of the most beautiful creatures in the world. So when I catch wind of the wheel bug being talked about in a negative light, I try to set the record straight. Unfortunately, this time, I could not set the record straight. This link will take you to the website for a local news station serving Pittsburgh, WTAE. The video on the page talks about the wheel bug and how one resident discovered one in her yard and was a little frightened.  Rather than trying to dissuade her of her fears, however, the news team proceeds to FLIP OUT . In what can only be described as an egregious example of shoddy journalism dipped in a vat of ignorance, the video goes on a two minute rampage warning about the dangers of the wheel bug and showing pictures of it to random people on the street, delighting i

Fluorescent Millipedes? Sweet!

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Just a quick post here to highlight one of the more interesting things I've found lately: millipedes that glow under UV light. I've been busy with my Investigative Studies Project, Capstone, and other related endeavors, so I'm essentially stockpiling a lot of photos and information for blog posts during winter, when I won't be finding nearly as much arthropod stuff. You think you have to go to the rainforest to find neat stuff? HA! I took a UV flashlight out to the field a few weeks ago and looked through the leaf litter--it was crawling with these many-legged critters. I could barely contain myself, it was just so neat. There were a few species fluorescing under the light, which is a result of a chemical in their exoskeleton, and the fluorescence was at bright as firefly bioluminescence.  The millipedes were a nice size, hovering around one inch, and had chemical defenses. I grabbed a few to hold in my hand and could smell a slightly sweet scent on my palm after I retu

A Strange Place for a Centipede

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I had an unexpected encounter with a centipede today around lunchtime. I walked into the restroom and glanced down at the floor, where I found an inch-long centipede....and I was pretty excited. Unfortunately, it was dead, probably due to being stepped on. If nothing else though, that made collecting it easy for me. Have you ever tried to catch a fleeing centipede? They're ridiculously fast and not an easy catch. After putting it in a plastic bag for safekeeping and eating some lunch, I headed off to the lab, grabbed my centipede ID guide, and threw it under a microscope. It's a little intimidating, measuring out to about an inch long. Earlier this summer, I attended an advanced naturalist workshop at the Edge of Appalachia preserve in West Union, Ohio that focused on the centipedes and millipedes (and isopods), which gave me the skills I needed to tackle Myriapoda identification. It was led by Bill Shear , from Hampden-Sydney College in Virginia, and boy did he know a lot ab

Science Video Friday: Neil deGrasse Tyson on the future of science funding

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If you're looking for someone who's passionate about science, you don't have to look any further than Neil deGrasse Tyson, the director of the Hayden Planetarium in New York. This week's Science Video Friday features him articulating why the government funding science is important, even in tough times.

Aquatic Beetles in a Wheelbarrow

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When I think of beetles, what comes to mind are ladybugs, ground beetles, fireflies...maybe stag beetles. All of these are terrestrial beetles and are pretty neat, but why stop at land? There are a number of aquatic beetles that are just as cool, and can be found in rivers, streams, and standing water. I was canvasing my yard the other day when I came upon a wheelbarrow that was full of standing water. I've checked it a few times before for insects, but usually only find mosquito larvae. Last summer I did find one aquatic beetle, but I never got around to investigating what it was. When I checked it this time, however, I found a much more diverse assemblage of creatures.     Acilius mediatus The orange you see in that picture is rust, while the green gelatinous stuff is an egg covering from one of the species of aquatic beetles in the wheelbarrow. Either that or it's algae or something similar. The beetle Acilius mediatus is in the family Dytiscidae, the predacious diving beet

Science Video Friday: The fastest living thing on the planet

This one threw me for a loop. I figured it would be something small, but really? Huh, how interesting. I can't embed this one onto the page, unfortunately, so here's the link for the video. It's a clip from the BBC program Richard Hammond's Invisible Worlds , which I haven't seen before, but it looks like I probably should check it out. I don't want to ruin the surprise of the video, so I'll just leave things at that.

A Rare Developmental Anomaly

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I was researching some literature on millipedes today (spoiler alert: there's not a whole lot of it) and came across an article with the title "Report on a Rare Developmental Anomaly in the Scorpion, Centruroides vittatus (Buthidae)." Obviously, I had to read it. When you come across a title like that, how can you not? If there's one thing scientists know how to do very well, it's how to hide something extremely interesting behind a hideously boring title. It's very important to learn how to recognize those titles and see what glittering treasure is hidden under their grotesque exterior. So I grabbed my explorer hat and started reading. It was only three pages long (with the bibliography), so it didn't take long to read. But 30 seconds after I started, I struck gold. Well, it was more like gold with diamonds embedded in it. Holy crap! Look at that picture! A rare developmental anomaly indeed! The authors found this specimen while "perusing" (nic

Whence a caterpillar crossses your path

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I came across a caterpillar today that was too cool to pass up sharing. You're in for a treat. I was walking to the science center on campus today and looking around the fringes of the grass, as per usual, when I spotted a caterpillar on the sidewalk. It was serendipitous because I was just thinking about how as an entomologist, I've been training myself to focus on small things and watch for movement that might be overlooked by someone who doesn't constantly look for bugs. It was an interesting moment. I noticed a small green thing that looked like a leaf, and at first thought it was. A breeze had just blown some leaves across the path, but this was a little different. It's a good thing I don't have a habit of crushing leaves, or this story would be sad. Sidewalk is not its natural habitat. A-ha! My first thought: "Definitely not a leaf." My second thought: "Sphingidae." This caterpillar has very pretty colors, like a grape popsicle shoved into

Science Video Friday: Invasive species are a nuisance

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Invasive species: from North America to New Zealand to Antarctica , they're a problem. Invasive species, when transported to a new environment, have the capacity to overwhelm the ecosystem and throw it off the natural balance that has been reached by the indigenous organisms. This causes severe damage to the ecosystem, and can have many unforeseen consequences: among them local extinction of native organisms and even increased flooding due to increased storm water runoff. Here in Southeastern Ohio, some of the more common invasive organisms I see are Tree of Heaven ( Ailanthus altissima ), Japanese honeysuckle ( Lonicera japonica), and the dreaded Japanese knotweed ( Fallopia japonica ). From what I've seen, Japanese honeysuckle and knotweed are especially nasty invaders, and can take over forests and other areas without prejudice. In the case of Japanese knotweed, it spreads via rhizomes, making it even more difficult to eradicate. One of the major problems of invasive plants

The Wheel Bug Emerges

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I came home today to the most wonderful surprise I've had in a long time: Arilus cristatus, the wheel bug, in all of its salmon-colored glory. For those of you who aren't familiar with my love of this particular insect, the wheel bug is my absolute favorite insect. Why? To list a few reasons, it's an assassin bug, it's the largest terrestrial true bug (Order Hemiptera) in North America, and it has that ridiculously interesting cogwheel protuberance on its pronotum. This bug is unique and when you see it, you know what it is and that you shouldn't test its patience. The fresh new bug on the left, with its out-of-style skin on the right. Anyway, what we're actually looking at here is the wheel bug right after it has molted out of its 5th instar. Wheel bugs go through a nymph stage of life with five separate growth periods (instars), and it sheds its skin between each period, growing as it does so. At the end of its fifth instar , it has finished its nymph stage an

Cedar Bog....well, it's a fen

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This weekend placed me in Dayton, Ohio for the Midwest Native Plants Conference. It was beyond spectacular and I was bombarded with new information everywhere I turned. The conference committee was gracious enough to award me with a scholarship to attend the conference, so I tried to squeeze all the information I could out of the three short days the conference took place. The conference was very well-planned and went smoothly, by the end of the weekend I was exhausted. Really though, I would make sure all my weekends were filled with biology like this one if I could. The conference hosted some amazing speakers, particularly Steve McKee and Jim McCormac . Steve talked about Botanical Detective Work and his adventures with searching for plants in Richland County that haven't been looked for in over 100 years, which lit a fire under me to go explore Washington County some more. It's amazing what can slip under our noses due to simply not paying attention to what's growing (o

Science Link Dump

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I spent about an hour today after work reading a variety of science articles I found and wanted to aggregate them all here for those of you who feel inclined to read some of them. Sometimes I'll post them to Twitter, but 140 characters isn't really enough to explain some of them. So let's start it off with a gastropod video: The video was taken by Kerry Weston with the New Zealand Department of Conservation and I certainly was not expecting it to go the way it did. When I think of snails, I don't normally think of words such as stealthy, carnivorous, and brutal as associated with them. But apparently I have been shown the error of my ways. It's so great when that's demonstrated in such a blunt way. This next video is from NPR and we switch our focus onto the hydrogen bomb. A Very Scary Light Show: Exploding H-Bombs In Space If you want a larger video, you can click on the embedded one and you'll be taken to the Vimeo website. I'm always interested in wa

Boy do I love nature quotations

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So I have another post started that will explain what I've been up to with my research project, but in the meantime, I have this one. I was reading Richard Conniff's blog and came across his post Learning to Feel at Home . It's filled with great quotations about nature, but one quotation in particular struck me as outstanding. It's lent me a nice springboard for my eventually presentation about my project, and so I'm thinking about starting it off with this picture as the first slide. It's simple, which is part of the reason why I like it. I also expect my audience to not quite understand assassin bugs (or even know anything about them) when I start my presentation, so I think this will help them to understand where I'm coming from and why I chose to pursue my project.

The Summer of the Reduviidae: The Beginning

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Let's just say that my summer project with assassin bugs is going well so far. More to come soon!

Late Night Beetle Collecting

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I decided to turn on the outside lights for about a half hour tonight to see if anything would fly up, and I got some good results! Right now I'll post the pictures that I took tonight, and I'll elaborate tomorrow. I caught a few of the beetles and am keeping them to hopefully identify later and get a closer look under better light conditions. It was about 52 degrees tonight, so still a bit chilly for more insects to be flying about, but once summer warms up more, there will be all sorts attracted to lights.