Caterpillars are fun to photograph. But hard to know what butterflies or moths they will be.
 A beautiful red dragonfly from the Sarawak area of Borneo. I have a lot of pics of spiders from Borneo. Sadly, I don't really have any good way to identify them. So here is one cool critter that I can't say what it is. 
Spider from Sarawak, Borneo
Scott's Run Nature Preserve has a homepage here: http://www.fairfaxcounty.gov/parks/scottsrun/ The nature preserve is a pretty big bit of forest, with the namesake stream running down toward the Potomac River. There is a lot to this area, but here are a few pics of the stream and where it runs into the river.  This is Scott's Run, not far from the Potomac River.  Scott's Run waterfall, with tourists, where the stream reaches the Potomac river level  The waterfall without the tourists  And the Potomac River where Scott's Run enters. We were far into the cave, and doing a lot of science, with the plan to take some nice photos of the passages on the way out. I left the high ledge we were on a bit early to set up some photo shots. But while sitting on a big rock down at the stream with my camera and tripod in place, waiting for Don and Joyce, I noticed that the water was rising. Not so much, but it was rising. By the time they got back down, the cave stream had risen about a foot and it was no longer about getting photos but getting out quickly before we were trapped by high water. We raced downstream, and had a bit of fun at what were short waterfalls earlier. Wearing 18-inch high waterproof boots worked well until now, as they got filled with water descending the 2-meter high falls. But without any major trouble, we made it to the entrance. 
Don McFarlane in the distance as Cueva Charles Brewer floods.
Don looks pretty small in this picture, looking out toward the entrance. But just a few hours later the water was up to almost where he is standing. It is good we got out when we did.
The aquatic cricket, Hydrolutos breweri...presented in three pics. 
The cricket underwater! This thing is fully adapted for aquatic feeding. How cool is that!
Hydrolutos female.
Hydrolutos male
This cricket has been properly noted as a unique species here:
http://cabinetoffreshwatercuriosities.com/2011/09/06/the-venezuelan-cave-cricket-hydrolutos-breweri/ 
Interconnected stalactites with a macro-crystalline structure.
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