Spiny assassin bug I found during a walk several days ago. I’m guessing this could be Sinea spinipes, but genus is challenging so that’s tentative. What I really like about this insect is its folded antennae. I’ve never noticed that before in a reduviid.
I was photographing a spider a few days ago, and one frame that I was about to trash (jumping spider’s eyes not in focus) happened to show a kleptoparasitic fly that was drinking fluids from the captured ant. Because the fly is not especially visible I haven’t tried that hard to ID the fly (probably Milichiidae or Chloropidae), but I did find an interesting page showing a fly in Australia that was found near a salticid called an ant eater (Zenodorus orbiculatus).
If you have time to waste, here are some fun facts about kleptoparasitic flies:
- Some species are attracted to volatiles released by captured prey (e.g., stink bugs). I have pics.
- There are apparently some that are specialists on spiders (Brake and von Tschimhaus 2010).
- It’s usually just females; when males present they might be looking for mating opportunities with females (Ibid.).
- In Africa. there’s a milchiid that can induce ants to regurgitate (Wild and Brake 2009).
- Some plants in the Apocynaceae seem to have evolved the ability to mimic the venom volatiles of paper wasps. The scent is attractive to kleptoparasitic flies because the wasps use the venom when they hunt (Heiduk et al. 2015). This is referred to as kleptomyiophily, apparently (new word for me).
If you really need to more, check out the http://www.milichiidae.info/. Sorry: the Chloropidae don’t have their own site.
I think the spider is Phidippus princeps. Happy to be told otherwise. Here are some better pics of the spider:
I finally put a few evolution-related images on a Shoppe page … just in case you need a geeky Christmas gift for somebody.
Below are some photographs of strange growths on a patch of Asclepias syriaca I visited several weeks ago. From the few publications I’ve found, enations can be caused by viruses (Geminiviridae, Luteoviridae, etc.), and thus could be transmitted to nearby individuals via insect vectors or by the connected roots (milkweeds are clonal). Could be a genetic mutation, too, I suppose — could be spread by seed or via clonal growth. Anyone seen this before?
Photographed at Hildacy Farm Preserve in Media, PA.
During my recent trip to Hawai’i I got to wondering how conservation organizations use Instagram to educate the public about invasive species. A quick search pulled up several groups that seem involved, at least occasionally, and I’ll list here just in case you want to follow them (# followers in parentheses):
- @hisc808 Hawaii Invasive Species Council (96)
- @hawaiidlnr Hawaii Department of Land Natural Resources (250)
- @kauaiisc Kauai Invasive Species Committee (242)
- @koolaupartnership Ko’ola Mountains Watershed Partnership (41)
- @ctahr College of Trop Agric and Human Res (81)
- @bigislandinvasivespecies Big Island Invasive Species Council (11)
- @kaikoa.conservation Kaikoa Conservation (667)
- @hilandtrust Hawaiian Islands Land Trust (926)
- @nature_hi The Nature Conservancy, Hawai’i (197)
- @ntbg National Tropical Botanical Garden (353)
- @waikoloadryforest (3)
- @oahuisc Oahu Invasive Species Committee (101)
- @stoptheant Spot the Ant, Stop the Ant (49)
- @mauinuibg Maui Nui Botanical Gardens (270)
- @conserve_hawaii (255)
- @wmwphawaii Wai’anae Mountains Watershed Partnership (88)
- @islandconservation (126)
Part of my reason for wasting time on the above was because when I posted a photograph of an introduced frog, I wasn’t sure if anyone on Instagram might care. Potentially, there might be a group or two that might want to mentioned, in the off chance that a species hadn’t been noticed at that particular location. Not being a native, I had no idea which groups to mention, though, so all I did was add some hashtags for the species name as well as #invasive #introduced #nonnative … with the hope that somebody might find it useful someday (unlikely). But the process got me wondering how groups use Instagram to get the word out on how to control invasives. Here are some thoughts on how to do it, with apologies to the groups who are already doing it:
- To build buzz about your organization and its goals, repost images of others that show the species you are trying to control. People love to have their images reposted or their accounts mentioned. You can find these images by following people (duh), or by searching Google for Instagram photos with particular keywords (e.g., site:instagram.com coqui kauai). The routine is just this: ask them if it would be OK to be reposted/featured … and then give them credit by including Instagram handle (i.e., don’t just give the photographer’s name).
- If you don’t want to feature other people’s images, at least patrol other people’s posts that relate to invasive species, endemics, restoration, etc. For example, if somebody posts an adorable photograph of a small frog and says, “Love this little guy; going to send to my uncle on Kauai for his birthday!” … you can urge them not to do that. Or, when somebody posts about clearing invasives from property, you can say thanks (and perhaps invite them to a volunteer day if you’re group is local). And it’s not just people making posts about invasives … many companies are active in promoting pono and have thousands of active followers (@southmauispearfishing, e.g., has *dozens* of posts about invasive roi and what to do about them). The more you interact by favoriting and commenting, the more people on a particular island will see your organization’s work as important and worth supporting.
- If your organization has volunteer work days, add an “Instagram name” column to your sign-in sheet. Then mention each person when you post photos from the event (you should do that!). People love to be publicly thanked. Example. Another example.
- In your bio and in your posts, remind folks to tag their own images with #invasive #hawaii (or whatever) and species name so that the posts can help educate their followers. Example. Example. You can also dream up custom hashtags such as #hawaiiinvasive if you want (that’s from @kauaiisc, by the way).
- When you make presentations about invasives at local schools, show your Instragram handle at start and end. Young adults increasingly don’t care about your web site, your twitter feed, or your phone number but you might get them to follow on Instagram.
- Award prizes to people reporting or posting certain kinds of images. People love contests. For example, send some swag to person who posts best selfie with gold dust day gecko (example).
- If you have a Facebook page, add a tab for your Instagram feed. It’s easy. You should also automatically add your Instagram posts to your timeline.
- If you include a phone number in your bio for reporting a particular species, include an area code in case clueless tourists see call to action. Repeat this number in posts, too … because somebody might not bother to visit your actual home page.
- Check Instagram regularly to see whether anyone has posted an image of a species of special concern. For example, you can run a search for “site:instagram.com snake hawaii” to patrol for snake sightings (the search results are mainly Hawaiian shirts with snakes). There used to be several ways to automate such Instagram searches and receive emails … but Instagram blocked them.
- If your organization doesn’t have an Instagram account, fix that.