You know that old saying in journalism: Write about giant, weird bugs once, and your inbox forevermore will be jammed with photos of giant, weird bugs. It's been two weeks since we covered the appearance of white-lined sphinx moths in the Bay Area, which are out in unusual abundance this year. That's given readers plenty of time to hustle up their own recent photos of white-lined sphinx moths, invading their back yards and flitting about in the high Sierra Nevada.