Beetles
awild | December 13, 2008From an interview with E. O. Wilson:
[Q:]Are ants better at anything than humans?
[Wilson:] Human beings have not yet made an accommodation with the rest of lifeâwhereas ants, whose history dates back more than 100 million years, have achieved that balance, mostly by specializing among the 14,000 known species in terms of where they live, what they eat, and how they relate to other species. Each, for the most part, has acquired a balance with prey, food, and space, halting population growth before it crashes. Ants have reached some degree of sustainability, while humans have not. We're not…
awild | December 12, 2008Cytilus alternatus, Pennsylvania
This lovely little round insect is called a pill beetle. Why is that, you ask?
Check this out:
Retractile legs!
photo details: Canon MP-E 65mm 1-5x macro lens on a Canon EOS 20D
ISO 100, f/13, 1/250 sec, twin flash diffused through tracing paper
awild | December 5, 2008
Metrius contractus
Oregon, USA
Many biologists are familiar with the Bombardier Beetles in the ground beetle tribe Brachinini, as their defensive tactic of aiming an explosive spray has been studied extensively. The Brachinini are even celebrated by creationists as animals that couldn't possibly evolve.
As it turns out, though, bombardiers have evolved at least twice. The second, less known radiation comprises the subfamily Paussinae, also in the Carabidae, and as we'd expect from an independent origin the spray dispersing mechanism is different, using a flange instead of a nozzle. …
awild | November 28, 2008
Martineziana dutertrei Fire Ant Beetle
Texas
Any insect that can fool an ant nest's security system gains access to rich stores of food. Martineziana scarab beetles are found only in colonies of Solenopsis fire ants where they feed on the ants and their brood. This beetle was collected from a red imported fire ant mound at the Brackenridge Field Laboratory in Austin, Texas.
photo details: Canon MP-E 65mm 1-5x macro lens on a Canon EOS 20D
ISO 100, f/13, 1/250 sec, flash diffused through tracing paper
awild | November 23, 2008I've posted enough Friday Beetles that I can no longer remember which species I've already done. Some species were almost posted twice out of sheer forgetfulness. Must be the academic scatter-brain.
So to keep them all straight I've made a list. This is mostly for my own good. In any case, here is the Friday Beetle Directory:
Adranes - Ant-Nest Beetle
Onthophagus gazella - Gazelle Scarab
Dineutes sublineatus - Whirligig Beetle
Lutrochus - Travertine Beetle
Scaphinotus petersi - Snail-eating Beetle
Laccophilus pictus - Predaceous Diving Beetle
Apteroloma caraboides - Snowfield Beetle…
awild | November 22, 2008
I sometimes wonder if a major reason why most people don't really get insects is the difference in pace between how we and how the insects move in the world.
Insects live faster than we do, their everyday motions an erratic, unintelligible blur to our sluggish perceptions. But slow them down so that we can see them on their own terms, and they seem almost as different creatures, more deliberate, more wise, and certainly much less buggy.
awild | November 21, 2008
Priacma serrata - Bleach Beetle
California
Priacma serrata is an enigmatic insect from the conifer forests of western North America and is one of a handful of species belonging to the relictual beetle suborder Archostemata. It is often thought of as a "living fossil", bearing a strong resemblance to the earliest known beetles that pre-date even the dinosaurs.
Males are attracted to the scent of bleach, presumably because it resembles a female pheromone, and are sometimes collected off air-drying laundry. In spite of its unique evolutionary position, the biology of Priacma has not been…
awild | November 14, 2008
Nosodendron californicum - Wounded Tree Beetle
California, USA
From the Department of Really Obscure Insects, here's a beetle that few non-specialists will recognize. Nosodendron inhabits the rotting tissue of long-festering tree wounds. These beetles are not rare so much as specialized to an environment where few entomologists think to look.  If you can spot the telltale stains of an old wound on the trunks of large trees, you should be able to find Nosodendron. They feed on the microbes- the yeast and bacteria- that grow in the sap leaking from the phloem.
There are, in fact, whole…
awild | November 7, 2008Chrysina beyeri - Beyer's Scarab - Arizona
Arizona's Jewel Scarabs emerge after the onset of summer rains. These large insects have something of a cult following among collectors, and enthusiasts from around the world descend on the Sonoran desert every monsoon season with their mercury vapor lamps and blacklights to entice the lumbering beetles into their traps. The effects of this mass harvesting on Chrysina populations have not been studied, but they should be. I'd hate to lose such an attractive species.
Beyer's scarab, the largest Chrysina in the United States, feeds on oak foliage…
awild | October 24, 2008
Chrysochus auratus - Dogbane Leaf Beetle
New York
At first glance one might mistake the dogbane leaf beetle for a creature of the tropical jungle, an exotic jewel sought after by the most discerning of collectors. But no. It's a rather common beetle in northeastern North America, where it feeds on plants in the Dogbane family Apocynaceae. I photographed this one a few years ago on a rainy summer day in upstate New York.
photo details: Canon MP-E 65mm 1-5x macro lens on a Canon D60
ISO 100, f/13, 1/200 sec, flash diffused through tracing paper
awild | October 20, 2008I've blogged a lot about lady beetles recently. That's because we have been inundated by them ever since moving to Illinois. The beetle deluge is not a good thing, though, as ours are nearly all Harmonia axyridis, an extraordinarily pesty species imported from Asia in what must rank as one of the most poorly executed biological control projects ever. In the wake of the alien lady beetle invasion, our native species have all but disappeared.
Enter the Lost Ladybug Project. The project is a citizen-science initiative out of Cornell University to gather information on the distribution of…
awild | October 17, 2008
Cycloneda munda - Polished Lady Beetle
Champaign, Illinois
It's a depressing time to be a lady beetle aficionado in the midwest. Most of the beetles I've seen around town are pesty invasives like the multi-colored lady beetle (from Asia) and the seven-spotted lady beetle (from Europe). But one native species, Cycloneda munda, is hanging on, perhaps because it is smaller than the competition and able to subsist on smaller prey. A couple weeks ago I photographed this pair enjoying an intimate moment on the fall goldenrod.
photo details: Canon MP-E 65mm 1-5x macro lens on a Canon 20D
ISO…
awild | October 10, 2008Languria sp. Lizard Beetle (Erotylidae), California
photo details: Canon MP-E 65mm 1-5x macro lens on a Canon D60
ISO 100, f/13, 1/200 sec, flash diffused through tracing paper
awild | October 5, 2008Coccinella septempunctata
This weekend's project: to shoot a beetle in flight. I chose ladybirds not because they are pretty, but because they are the slowiest, clumsiest beetles I could find in any number.  An easy target.
I had a cast of several beetles from two species, the seven-spotted ladybird Coccinella septempunctata and the multi-colored ladybird Harmonia axyridis. I placed the beetles inside a whitebox with a backdrop of leaves, along with my Canon 550 speedlite flash, and tried to capture the beetles as they launched themselves into the air. The timing was tricky, as it…
awild | October 3, 2008
Megacyllene robiniae - Locust Borer
Champaign, Illinois
Goldenrod flowers are a magnet for late summer insects, and among the most spectacular attractions is the locust borer, a wasp-striped longhorn beetle. They gather on the flowers to mate and to feed on pollen.
Megacyllene larvae are pests of black locust trees. Their burrows in the wood damage trees directly, but more seriously, the wounds expose the tree to an even more damaging fungus. Pesty or no, they are charismatic insects and much more cooperative photographic subjects than the ants I usually shoot.
photo details (top 3…
awild | September 26, 2008Popillia japonica - Champaign, Illinois
The ever colorful Popillia japonica has been in North America for nearly a century. In spite of an unmistakable charisma, the charms of this unintentional visitor are largely lost among the ruins of chewed up rose bushes, grape vines, and raspberry plants left in its wake. This beetle is a serious pest, and I don't know many gardeners who have welcomed its spread across the continent.
For those with a camera, however, Japanese beetles are hard-to-resist eye candy. The insects' metallic surfaces render photography a bit tricky, though, as glare…
awild | September 12, 2008
Prionocyphon Marsh Beetle (Scirtidae)
New York
Scirtidae is a small family of mostly small beetles found in wet, swampy habitats all over the world. Taxonomists find them to be difficult creatures, the larvae are archaic in appearance but the adults share some similarities with the elateriforms- click beetles, fireflies, and the like. Recent research based on ribosomal DNA sequences showed why their evolutionary relationships have been so hard to peg. Rather than fitting neatly inside one of the 4 beetle suborders, these insects are surprisingly old, diverging from the lineage that led…
awild | August 29, 2008
Microphotus angustus - Pink Glowworm
California Coast Range
Believe it or not, this squishy pink thing is an adult beetle.
Now and again, evolution produces a species that loses the complexities of the adult form. These animals simply retain a larval appearance into their adult life, later gaining only the ability to mate and have offspring independent of the other trappings of maturity. Perhaps the adult traits of large eyes, large brains, long legs, and big wings are so expensive that just skipping all that extra development allows an animal to get on that much more efficiently with the…