BANANAGRAM!
Your bi-weekly reminder that sometimes.. good news is also happening
It’s that time again! Some GOOD NEWS to lift your spirits and rewire your brain to see a more hopeful future. This time our good news is from Virginia Tech, where researchers are calling on “citizen scientists” and their dogs to help stamp out the invasive spotted lanternfly.
From Andy Corbley, the founder and editor of World At Large, a small environment, travel, and lifestyle focused journal that stresses integrity, nuance, and honesty.
The spotted lanternfly, native to Asia, was first detected in Pennsylvania in 2014. Since then, it’s spread rapidly to 18 states, laying its eggs on trees, stone, lumber, and even cars and trailers, where it can hitch a ride to a new home.
Catching the bug early is key—but finding its egg masses is no easy task. That’s where your dog comes in.
“They often resemble mud smears or lichens and are tucked into bark crevices, cracks, or hidden undersides,” said Mizuho Nita, a plant pathologist at Virginia Tech who co-authored the results of the field study. “Finding them is like searching for a needle in a haystack.”
Previous research has shown that professional conservation detection dogs can find them quite often. But professional dogs are expensive, and there aren’t nearly enough of them to cover the growing threat.
Many dog owners participate in sporting scent games—teaching their dogs to track different scents and having sort of scavenger hunts to enrich their companions’ lives. Even if the breed isn’t bred specifically for following scent trails, most dogs can do it.
182 human-dog teams from across the US were selected and given devitalized, that is, non-hatching lanternfly egg masses, as training aids. Participants trained their dogs at home or in small groups, with oversight from a designated local trainer.
After several months of training, the dogs were put to the test in two environments—one indoor and one outdoor. In the controlled indoor environment, dogs had to complete an odor recognition test, identifying the box with the spotted lanternfly egg mass from among multiple boxes with other items and scents.
Those that passed the odor recognition test advanced to a field test, where they had to find the scent in an outdoor environment with competing smells.
The participant dogs correctly identified the egg masses 82% of the time in the controlled test and 61% in the real-world test. This was still better than rates of success for human-only searches. Of the dogs that passed both tests, 92% were successful in finding live egg masses with minimal extra training.
“These teams demonstrated that citizen scientists and their dogs can play a meaningful role in protecting agriculture and the environment from invasive species,” said Sally Dickinson, the study’s lead author.
In vineyards, orchard—arable acreage of all sorts—the lanternfly is devastating crops and yields. Any resistance is better than no resistance, and if that means keeping your dog alert and ready to sniff out the invader on a walk through the park or forest, it could make the difference between your local farmer making a profit or making a loss this harvest season.
IF YOU SEE A SPOTTED LANTERNFLY - STOMP IT OUT! Truly.. I know it can feel weird to kill a bug, I’ve been known to catch and release many a spider, fly, frog, and other little creatures found around my home without harm - but these bugs are different. These bugs should have never been released here in the first place, and don’t provide any value locally. Instead, they are extremely dangerous to the local flora, fauna and survival of native species. They can cause significant damage to agriculture by feeding on plant sap and excreting honeydew, which promotes the growth of sooty mold. STOMP ‘EM!
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