Posts Tagged: David James
Meet Henry, "an unexpected guest." Make that "an early, unexpected guest who was given a warm welcome and an even warmer send-off." Henry is a Marin County winter monarch butterfly. Winter monarchs are becoming more and more common in the Bay Area and...
This is Henry as a winter monarch caterpillar found in the front yard of Karen Gideon, Greenbrae. It was feasting on her milkweed, “Hello Yellow” Asclepias tuberosa, native to eastern and southwestern North America. (Photo by Karen Gideon)
Henry as a chrysalis attached to Alanna Brady's teak birdhouse. (Photo by Alanna Brady)
Henry as a newly eclosed monarch butterfly drying his wings. (Photo by Alanna Brady)
Henry spreads his wings. (Photo by Alanna Brady)
Thankfully, they're out there. Butterfly guru Art Shapiro, UC Davis distinguished professor of evolution and ecology, spotted a female monarch butterfly at 1:35 today. As he mentioned in his email: "So, at 1:25 p.m. a female monarch flew directly...
A monarch caterpillar and a honey bee sharing tropical milkweed, Asclepias curassavica, in the summer of 2020 in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
This is the graph that WSU entomologist David James posted on his Facebook research page, Monarchs Butterflies in the Pacific Northwest.
Is there anything more beautiful than a monarch butterfly, Danaus plexippus, nectaring on a Mexican sunflower (Tithonia rotundifolia) in the late afternoon sun? The brilliant orange and black butterfly, famous not only for its...
A monarch butterfly sipping nectar from a Mexican sunflower, Tithonia rotundifola, in Vacaville, Calif., on Oct. 30. (Photo by Kathy Keatley Garvey)
A monarch butterfly spreads its wings on a Mexican sunflower, Tithonia rotundifola, in Vacaville, Calif., on Oct. 30. (Photo by Kathy Keatley Garvey)
As striking as a stain glass window, the monarch takes flight. (Photo by Kathy Keatley Garvey)
It's been a "very poor year" for monarch butterflies in the Pacific Northwest. So, folks, if you're in their migratory pathway and anticipate seeing them head toward their overwintering sites in coastal California, don't get your hopes...
This migrating monarch flew from a vineyard in Ashland, Ore. to a garden in Vacaville, Calif. in 2016. This amounted to 285 miles in seven days or about 40.7 miles per day, according to WSU entomologist David James, who studies migratory monarchs.(Photo by Kathy Keatley Garvey)
A tattered and torn migrating monarch in Vacaville, Calif. This image was taken in 2016. (Photo by Kathy Keatley Garvey)
A newly eclosed female monarch. (Photo by Kathy Keatley Garvey)
A newly eclosed male monarch. (Photo by Kathy Keatley Garvey)
Where are all the monarch butterflies? There's good news and bad news. First, the bad news: "An Epic Migration on the Verge of Collapse," wrote the Xerces Society for Invertebrate Conservation on its website detailing monarch...
A monarch on a Mexican sunflower (Tithonia rotundifolia) in September 2016 in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
This image of a female monarch butterfly was taken Sept. 14, 2016 in Vacaville. It was a good year for monarchs. (Photo by Kathy Keatley Garvey)