and Appalachian tiger swallowtail. Out west, you’ll find the Western tiger swallowtail and the pale swallowtail. In some areas, females are black with tiger stripes only faintly visible in the ...

Instead, swallowtail butterflies employ aspen and cottonwoods and a variety of other trees for oviposition and larval feeding. Western tiger swallowtails often employ quaking aspen for oviposition and ...

According to the National Phenology Network, spring (as determined by a variety of "signs of spring" like leaf out and bud ...

It has three similar-looking cousins across the country: the Canadian tiger swallowtail of the extreme northern U.S., Canada and Alaska; the western tiger swallowtail of the mountainous West ...

So far he’s spotted six species — a loping Western tiger swallowtail, two fluttering California tortoiseshells, a copper-colored common checkered-skipper, a powdery echo blue, a rusty-looking ...

Entomologists have discovered Papilio solstitius, a new tiger swallowtail butterfly that appears in summer in eastern North America.

“Nature is everywhere,” says lepidopterist Liam O’Brien about the tigers of San Francisco’s Market Street—Western tiger swallowtail butterflies, that is. O’Brien and naturalist Amber ...

I'd estimate that approximately 110 species occur in Western North ... spicebush swallowtail, zebra swallowtail, eastern black swallowtail, giant swallowtail, eastern tiger swallowtail, and ...

Both the Eastern and Western tiger swallowtail and the pale swallowtail are found in Washington state. Both are common from May to September, flitting from flower to flower in search of nectar.

the Eastern Tiger Swallowtail (Papilio glaucus). If you live west of Texas, you have Western Tiger Swallowtails (Papilio rutulus), and Two-tailed Swallowtails (Papilio multicaudata) so join the ...

The Western Tiger Swallowtail butterfly is all around us in San Francisco. The butterflies can live their entire lives in the city, which is an ideal habitat thanks to its warm climate and London ...