Reposted by Andrew RiveraDan Osipov @danospv.bsky.social · 08/09/2026Super proud to have a photo reach Finalist stage in the Big Picture Competition! If you're in SF, check out all the winners in the California Academy of Sciences. 112
Reposted by Andrew RiveraKai Kupferschmidt @kakape.bsky.social · 03/09/2025‘On 18 August, judicial police showed up at the Research Institute in Health Sciences (IRSS) in Bobo-Dioulasso, a key partner in Target Malaria, to stage what scientists described as a “brutal, humiliating” raid.’ My story on mosquitoes, malaria and misinformation in @science.org 🧪science.orgAfter ‘humiliating’ raid, Burkina Faso halts ‘gene drive’ project to fight malariaDisinformation campaign may have triggered “brutal” shutdown of mosquito lab 15319
Reposted by Andrew RiveraAlex Wild @alexwild.bsky.social · 17/08/2025Me: I'm gonna plant native wildflowers and attract lots of pollinators! The pollinators: 512214
Reposted by Andrew RiveraJohn Carlson @johncarlson.bsky.social · 05/08/2025She thinks I’m sweet... Aedes triseriatus on my leg. 4292
Reposted by Andrew RiveraJohn Carlson @johncarlson.bsky.social · 27/07/2025Along the Mississippi River just south of the New Orleans Airport, A Megachile bee lifts into the air 2564
Reposted by Andrew RiveraThomas Shahan @tshahan.bsky.social · 15/07/2025🕷️🍽️🕷️SALTICIDS EATING SALTICIDS🕷️🍽️🕷️ 1 Phidippus eating Platycryptus 2 Hentzia eating Pelegrina 3 Eris eating Admestina 4 Colonus eating young Phidippus(?) 2538
Reposted by Andrew RiveraTom Astle @tjalamont.bsky.social · 10/06/2025🐸🦎🌿🐙📷 @ndrewrivera.bsky.social and I were on a steep trail in Costa Rica when I saw a tiny toad. I kept trying to get a shot, but it kept hopping just ahead of me and finally disappeared. Then Andrew noticed the toad had hopped down a narrow, hidden side trail. A Secret Toad Trail. So we-- 4706
Reposted by Andrew RiveraColin Purrington @colinpurrington.bsky.social · 07/06/2025I just published a blog post on the Mosquito TNT, a trap marketed by Tougher Than Tom of Austin, Texas. Exhibit A is their misleading use of photoshopped images to convey effectiveness. I also detail the $80,800 fine the company just paid to the EPA. #mosquitoes colinpurrington.com/2025/06/toug...colinpurrington.comTougher Than Tom's Mosquito TNT » Colin Purrington's blogI’ve been inundated with ads for Tougher Than Tom’s Mosquito TNT so I thought I’d post some thoughts on the device in case they might be helpful to anyone considering whether to purchase them. They ar... 35126
Reposted by Andrew RiveraThomas Shahan @tshahan.bsky.social · 08/05/2025been dreaming of a gar shirt - color or no color? speak now or forever hold your peace 🫡 3610415
Reposted by Andrew RiveraThomas Shahan @tshahan.bsky.social · 02/05/2025Dermacentor variabilis "American Dog Tick" at left, Amblyomma americanum "Lone Star Tick" at right Both are male, I believe - neat to see them both on the same bit of grass 🤩 in situ, NE Oklahoma - fujifilm, Laowa 65mm, diffused flash 1699
Reposted by Andrew RiveraColin Purrington @colinpurrington.bsky.social · 24/04/2025Seasonal reminder that Spartan Mosquito Eradicators and Spartan Mosquito Pro Techs do not kill mosquitoes. The Mississippi company was sued for fraud but the settlement agreement allows sales to continue until Christmas. Tell your gullible uncle to buy something else. #mosquitoes #mississippi #psa 293
Reposted by Andrew RiveraMatt Evers @mattevers.bsky.social · 13/03/2025I found some more photos of female Acmon Blues from the same location in Big Sur California at about 3000 ft elevation above the ocean>Lots of variation #butterflies #butterfly #BigSur 0241
Reposted by Andrew RiveraMarshal Hedin @mhedin.bsky.social · 19/02/2025One of my best friends and a brilliant scientist, literally one of the most creative thinkers that I know, was sacked today from the NSF. He will prevail, but the world just became a slightly dimmer place. As I sit crying in my office 3293
Andrew Rivera @ndrewrivera.bsky.social · 30/01/2025Going through the backlog of #trailcam footage and found this curious coyote 010
Andrew Rivera @ndrewrivera.bsky.social · 25/01/2025A glimpse of the Santa Ana winds through the backyard #trailcam 011
Andrew Rivera @ndrewrivera.bsky.social · 08/01/2025The hummingbirds are hating these high winds. Apparently a non-swinging feeder is worth drinking next to a human 041
Reposted by Andrew RiveraTom Astle @tjalamont.bsky.social · 23/12/2024Here is your Monday Morning Mosquito, a winter marsh mosquito, Culiseta inornata. Pretty big for a mosquito - nearly 1/2 inch. If you look closely, there's a single yellow pollen grain on the tip of her proboscis. I found her in the Mojave Desert in an area with seeps of permanent water. #insects 🐙🌿 0425
Andrew Rivera @ndrewrivera.bsky.social · 05/12/2024Bobcat with a late lunch of dove on the backyard #trailcam 041
Reposted by Andrew RiveraTom Astle @tjalamont.bsky.social · 02/12/2024SoCal folks - I'm (co) teaching a thing! Come spend a day at Anza-Borrego Desert SP learning about macro photography from yours truly and @mhedin.bsky.social, a terrific photographer and professor of biology at San Diego State U. Saturday, 12/14, 9 a.m. Sign up here: theabf.org/events/macro...theabf.orgMacrophotography: Photographing Our Smallest Organismso you have a passion for photography but have never tried it on a smaller scale? Are you curious about the Park’s tiny creatures but aren’t sure how to spot them? If so, this workshop is for you! We’l... 04210
Reposted by Andrew RiveraConrad Hackett @conradhackett.bsky.social · 24/11/2024We often worry about the wrong things. People killed annually by Sharks 10 Elephants 100 Hippos 500 Snails 10,000 Dogs 25,000 Snakes 50,000 People 475,000 Mosquitoes 725,000 🧪 3664043950
