January 23, 2017 by Cody Kitaura
The emergence of the first cabbage white butterfly of 2017 was a surprise even to the researcher who has been charting their flight since 1972.
Art Shapiro, distinguished professor of evolution and ecology, captured the first Pieris rapae of the year Thursday afternoon (Jan. 19) in the student gardens near the Solano Park Apartments, thus ending his annual beer-for-a-butterfly contest, where he offers to buy a pitcher of beer for anyone who catches a specimen before he does.
Earlier that day, he said he didn't expect to see one until February. The insect needs a series of warm days to fly, and the recent rainy weather had dampened the odds of seeing one.
"I never gave today a thought as a potential rapae day," Shapiro said.
He said it felt warm when he got out of class around noon, and he considered heading to one of his usual searching spots in West Sacramento. But instead, he got lunch and meandered over to Solano Park.
"At 12:59 I saw—a rapae," he said. "It was sitting quietly, wings folded, on a cultivated Brassica. It had not opened its wings to body-bask (i.e. warm the body by exposure to incoming solar radiation). If it had it almost certainly would have flown and, being netless, I would have lost it. Instead it just sat there as I picked it off the plant. I always carry one glassine envelope in my eyeglass case. Into the envelope it went."
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The emergence of the first cabbage white butterfly of 2017 was a surprise even to the researcher who has been charting their flight since 1972.
Art Shapiro, distinguished professor of evolution and ecology, captured the first Pieris rapae of the year Thursday afternoon (Jan. 19) in the student gardens near the Solano Park Apartments, thus ending his annual beer-for-a-butterfly contest, where he offers to buy a pitcher of beer for anyone who catches a specimen before he does.
Earlier that day, he said he didn't expect to see one until February. The insect needs a series of warm days to fly, and the recent rainy weather had dampened the odds of seeing one.
"I never gave today a thought as a potential rapae day," Shapiro said.
He said it felt warm when he got out of class around noon, and he considered heading to one of his usual searching spots in West Sacramento. But instead, he got lunch and meandered over to Solano Park.
"At 12:59 I saw—a rapae," he said. "It was sitting quietly, wings folded, on a cultivated Brassica. It had not opened its wings to body-bask (i.e. warm the body by exposure to incoming solar radiation). If it had it almost certainly would have flown and, being netless, I would have lost it. Instead it just sat there as I picked it off the plant. I always carry one glassine envelope in my eyeglass case. Into the envelope it went."
Read more at:
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