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Showing posts with label wasps. Show all posts
Showing posts with label wasps. Show all posts

Friday, September 27, 2013

ichneumonid ~ 09/27/13 ~ Rocky Creek

likely Netelia sp.

Eh, you can tell I studied entomology 20 years ago by the names I still prefer to use. Apparently, it's now fashionable to call these wasps ichneumons, rather than ichneumonids, as you will find on Wikipedia and BugGuide linked in the ID above. Powell and Hogue state there are probably more than 1000 spp. of ichneumonid wasps in CA.  I've always loved the delicate grace of these wasps.  These and braconids were featured heavily in my Economic Entomology class, because they are easy examples of beneficial insects that parasitize other insects in a most spectacular fashion. Unfortunately, see that not-insignificant ovipositor?  Well, that apparently can deliver quite the sting. A look-alike ichneumonid wasp that does not sting is Ophion spp.

Tuesday, July 16, 2013

tarantula hawk ~ 07/16/13 ~ Cayucos


posted 07/24/13 - This sucker was HUGE!  Capturing a real sense of size seems so tricky in photography.  Using my finger as a makeshift measuring guide, I estimate this tarantula hawk at 30mm from head to abdomen tip.  Interestingly, according to Powell and Hogue, this is not the largest spider wasp found in CA;  that title goes to the closely related Pepsis thisbe coming in at a whopping 32-44mm.  Secondary to its size, I noticed it was rotating around in a clockwise fashion and continued even after I poked it a couple times.  Very odd behavior.  It's beautiful and magnificent in a bold way.

Later I found out that a dear friend unexpectedly died this day.  I'm dedicating this blog post to Steve Gally.  He was truly one-of-a-kind with a booming voice, a heart of gold, and endless stories.  A mason by craft, and an artist by heart.  He loved insects and would have found this tarantula hawk absolutely amazing.  He helped shaped my life today in ways few people ever do.  I am incredibly thankful and honored to have been included in his fold of many friends.  To quote Bob Dylan, "But to live outside the law, you must be honest."  Goodnight, sweet man.

ps 08/17/13 - Additional links for Steve:  Legacy.com, BigSurKate, Bread on the Water, SeaRock.

Saturday, October 16, 2010

yellowjacket nest ~ 10/16/10 ~ Elkhorn Slough

western yellowjacket
Vespula pensylvanica

I make no apologies for not getting a closer picture of this yellowjacket nest. It looks like a converted rodent burrow. Please note, someone came along before me and clipped away the dried grass from around the nest.

I used to scoff at picnic people who made a ruckus trying to get away from a perusing yellowjacket (distinctly different than pursuing). Inwardly, I huffed even more when they called them "bees" and were afraid they'd "bite". Really, it's fascinating to watch these scavengers chew away a hunk off your BBQ plate. Generally if you don't bother them, they won't bother you, er, too much.

Last year I got stung for the first time, on the head, while hiking at Nisene Marks near Santa Cruz, one of the only times I wasn't wearing a hat while hiking. It got caught in my hair and my friend could not get it out for me. Panic. For lack of better words, I now have a healthy respect for these multi-stingers.

Andy has experienced multiple stings during organized trail runs, something I admit I had little sympathy for... until last year. Part of the reason is, during an organized run with hundreds of people, there is simply too much commotion that disturbs the ground nests near the trails, often under the redwoods; the folks who are not in the lead get whammed with a defensive ground hive. For the other part, September to November is a major yellowjacket stinging season around here. Oh my, we've made emergency stops at the store to pick up baking soda, expensive sting-ease solutions, etc. None of them worked any better than another. It seems you just have to wait out the pain.

ps 10/18/10 - I should mention how I came to ID this particular yellowjacket to be V. pensylvanica, which interestingly enough is not found in Pennsylvania or anywhere east of the Rocky Mountains (as an aside, I find it curious that many species in the U.S. get divided based on this particular mountain range). I found several sites that mentioned this is the only Vespula species that has a complete yellow eye-loop/eye ring. Huh? For a clear visual of the eyes, compare V. pensylvanica with V. germanica. Although, I did find one site that mentioned V. sulphurea (California yellowjacket) also has the complete yellow eye ring, but it also has bold stripes on its thorax.