fritillary

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Fritillaria atropurpurea “Spotted Fritillary” Liliaceae

Drinking Horse Mountain, Bozeman, MT
June 3, 2015
Robert Niese

There are several common species of chocolate/spotted/checkered fritillaries in the PNW (and countless endemics with tiny, restricted ranges in OR and CA). This species, F. atropurpurea, has the easternmost distribution and is found in most Rocky Mountain states as well as Oregon and California (not found in Washington, BC or Alberta, however). F. affinis is the most common species found west of the Cascades, but can also be found in parts of Idaho (not recorded in Montana or Alberta). F. camschatcensis, has a more northern distribution, but small populations can be found in Washington and Oregon (most abundant in BC and Alaska). The bulbs of all three species have been an important food source for native peoples. The flowers, which can be quite stinky, are pollinated by insects seeking dung and carrion.

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Speyeria hydaspe “Hydaspe Fritillary” Nymphalidae
on Agastache urticifolia “Nettle-leaf Giant Hyssop” Lamiaceae

Great Burn, Lolo National Forest, MT
July 10, 2015
Robert Niese

Fritillaries are a common, large butterfly here in the PNW east of the Cascades. There are several species that are regularly found in our area. Learn more about them here. This particular fritillary is feeding on the nectar of a very interesting and quite common local plant. Its Latin name, Agastache, is Greek for “many spikes” and, as you might guess, its inflorescence looks like a giant spike ball. Like many other members of the mint family, giant hyssop is commonly used in herbal teas and poultices for a variety of medicinal purposes. In particular, the leaves can be used to induce sweating and as a vasodilator. This particular species is quite abundant in the PNW east of the Cascades and is a favorite food source for many ungulates like deer, elk, cows, and moose.

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Speyeria hydaspe “Hydaspe Fritillary” Nymphalidae

Great Burn, Lolo National Forest, MT
July 10, 2015
Robert Niese

 

Fritillaries are common residents of moist meadows throughout North America. They lay their eggs on a variety of violet species. Upon hatching, the larvae immediately burrow into the ground (before eating) and hibernate until spring when they emerge and munch on the violet leaves.

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Fritillaria pudica “Yellowbells/Yellow Fritillary” Liliaceae

Lolo National Forest, Bitterroot Mountains, MT
April 18, 2015
Robert Niese

Yellow Fritillaries are a sure sign of spring in the PNW east of the Cascades. They tend to make their appearance around the same time as species like the Sagebrush Buttercup and Biscuitroot. The roots of F. pudica are edible and quite starchy. They are said to taste like rice after they have been cooked.